Scientific names found in HM as well as in SM (8449 species).
| Scientific names found in HM as well as in SM (8449 species) | ||
|---|---|---|
| Scientific name | Common name in HM | Common name in SM |
| Abeillia abeillei | Emerald-chinned Hummingbird | Emerald-chinned Hummingbird |
| Abroscopus albogularis | White-throated Flycatcher Warbler | Rufous-faced Warbler |
| Abroscopus schisticeps | Black-faced Flycatcher Warbler | Black-faced Warbler |
| Abroscopus superciliaris | Yellow-bellied Flycatcher Warbler | Yellow-bellied Warbler |
| Aburria aburri | Wattled Guan | Wattled Guan |
| Acanthagenys rufogularis | Spiny-cheeked Honeyeater | Spiny-cheeked Honeyeater |
| Acanthidops bairdii | Peg-billed Sparrow | Peg-billed Finch |
| Acanthisitta chloris | Rifleman | Rifleman |
| Acanthiza chrysorrhoa | Yellow-tailed Thornbill | Yellow-rumped Thornbill |
| Acanthiza ewingii | Tasmanian Thornbill | Tasmanian Thornbill |
| Acanthiza inornata | Western Thornbill | Western Thornbill |
| Acanthiza iredalei | Samphire Thornbill | Slender-billed Thornbill |
| Acanthiza katherina | Mountain Thornbill | Mountain Thornbill |
| Acanthiza lineata | Striated Thornbill | Striated Thornbill |
| Acanthiza murina | De Vis' Tree Warbler | Papuan Thornbill |
| Acanthiza nana | Little Thornbill | Yellow Thornbill |
| Acanthiza pusilla | Brown Thornbill | Brown Thornbill |
| Acanthiza reguloides | Buff-tailed Thornbill | Buff-rumped Thornbill |
| Acanthiza robustirostris | Robust Thornbill | Slaty-backed Thornbill |
| Acanthiza uropygialis | Chestnut-tailed Thornbill | Chestnut-rumped Thornbill |
| Acanthorhynchus superciliosus | Western Spinebill | Western Spinebill |
| Acanthorhynchus tenuirostris | Eastern Spinebill | Eastern Spinebill |
| Accipiter albogularis | Pied Goshawk | Pied Goshawk |
| Accipiter badius | Shikra | Shikra |
| Accipiter bicolor | Bicoloured Sparrow Hawk | Bicolored Hawk |
| Accipiter brachyurus | New Britain Collared Sparrow Hawk | New Britain Sparrowhawk |
| Accipiter brevipes | Levant Sparrow Hawk | Levant Sparrowhawk |
| Accipiter butleri | Nicobar Shikra | Nicobar Sparrowhawk |
| Accipiter collaris | Semi-collared Sparrow Hawk | Semicollared Hawk |
| Accipiter cooperii | Cooper's Hawk | Cooper's Hawk |
| Accipiter erythrauchen | Grey Moluccan Collared Sparrow Hawk | Rufous-necked Sparrowhawk |
| Accipiter erythropus | Red-thighed Sparrow Hawk | Red-thighed Sparrowhawk |
| Accipiter fasciatus | Australian Goshawk | Brown Goshawk |
| Accipiter francesii | Frances' Sparrow Hawk | Frances's Goshawk |
| Accipiter gentilis | Northern Goshawk | Northern Goshawk |
| Accipiter griseiceps | Sulawesi Crested Goshawk | Sulawesi Goshawk |
| Accipiter gularis | Japanese Sparrow Hawk | Japanese Sparrowhawk |
| Accipiter haplochrous | New Caledonia Sparrow Hawk | White-bellied Goshawk |
| Accipiter henicogrammus | Gray's Goshawk | Moluccan Goshawk |
| Accipiter henstii | Henst's Goshawk | Henst's Goshawk |
| Accipiter imitator | Imitator Sparrow Hawk | Imitator Sparrowhawk |
| Accipiter luteoschistaceus | Blue & Grey Sparrow Hawk | Slaty-mantled Sparrowhawk |
| Accipiter madagascariensis | Madagascar Sparrow Hawk | Madagascar Sparrowhawk |
| Accipiter melanochlamys | Black-mantled Goshawk | Black-mantled Goshawk |
| Accipiter melanoleucus | Great Sparrow Hawk | Black Goshawk |
| Accipiter meyerianus | Meyer's Goshawk | Meyer's Goshawk |
| Accipiter minullus | African Little Sparrow Hawk | Little Sparrowhawk |
| Accipiter nanus | Dwarf Sparrow Hawk | Small Sparrowhawk |
| Accipiter nisus | Northern Sparrow Hawk | Eurasian Sparrowhawk |
| Accipiter novaehollandiae | White Goshawk | Grey Goshawk |
| Accipiter ovampensis | Ovampo Sparrow Hawk | Ovampo Sparrowhawk |
| Accipiter poliocephalus | New Guinea Grey-headed Goshawk | Grey-headed Goshawk |
| Accipiter poliogaster | Grey-bellied Goshawk | Grey-bellied Goshawk |
| Accipiter princeps | New Britain Grey-headed Goshawk | New Britain Goshawk |
| Accipiter rhodogaster | Vinous-breasted Sparrow Hawk | Vinous-breasted Sparrowhawk |
| Accipiter rufitorques | Fiji Goshawk | Fiji Goshawk |
| Accipiter rufiventris | Rufous-breasted Sparrow Hawk | Rufous-chested Sparrowhawk |
| Accipiter soloensis | Grey Frog Hawk | Chinese Goshawk |
| Accipiter striatus | Sharp-shinned Hawk | Sharp-shinned Hawk |
| Accipiter superciliosus | Tiny Sparrow Hawk | Tiny Hawk |
| Accipiter tachiro | African Goshawk | African Goshawk |
| Accipiter toussenelii | Red-chested Goshawk | Red-chested Goshawk |
| Accipiter trinotatus | Spot-tailed Sparrow Hawk | Spot-tailed Goshawk |
| Accipiter trivirgatus | Asian Crested Goshawk | Crested Goshawk |
| Accipiter virgatus | Besra Sparrow Hawk | Besra |
| Aceros cassidix | Sulawesi Hornbill | Knobbed Hornbill |
| Aceros corrugatus | Wrinkled Hornbill | Wrinkled Hornbill |
| Aceros everetti | Everett's Hornbill | Sumba Hornbill |
| Aceros leucocephalus | White-headed Hornbill | Writhed Hornbill |
| Aceros narcondami | Narcondam Hornbill | Narcondam Hornbill |
| Aceros nipalensis | Rufous-necked Hornbill | Rufous-necked Hornbill |
| Aceros plicatus | Blyth's Hornbill | Blyth's Hornbill |
| Aceros undulatus | Wreathed Hornbill | Wreathed Hornbill |
| Aceros waldeni | Writhed-billed Hornbill | Writhed-billed Hornbill |
| Acestrura astreans | Colombian Woodstar | Santa Marta Woodstar |
| Acestrura berlepschi | Esmeralda's Woodstar | Esmeraldas Woodstar |
| Acestrura bombus | Little Woodstar | Little Woodstar |
| Acestrura heliodor | Gorgeted Woodstar | Gorgeted Woodstar |
| Acestrura mulsant | White-bellied Woodstar | White-bellied Woodstar |
| Achaetops pycnopygius | Damaraland Rock Jumper | Damara Rock-jumper |
| Acridotheres albocinctus | White-collared Mynah | Collared Myna |
| Acridotheres cinereus | Pale-bellied Mynah | Pale-bellied Myna |
| Acridotheres cristatellus | Chinese Jungle Mynah | Crested Myna |
| Acridotheres fuscus | Indian Jungle Mynah | Jungle Myna |
| Acridotheres ginginianus | Bank Mynah | Bank Myna |
| Acridotheres grandis | Great Mynah | White-vented Myna |
| Acridotheres tristis | Common Mynah | Common Myna |
| Acrocephalus aedon | Thick-billed Warbler | Thick-billed Warbler |
| Acrocephalus aequinoctialis | Polynesian Reed Warbler | Bokikokiko |
| Acrocephalus agricola | Paddyfield Warbler | Paddyfield Warbler |
| Acrocephalus arundinaceus | Great Reed Warbler | Great Reed-Warbler |
| Acrocephalus atyphus | Tuamotu Reed Warbler | Tuamotu Reed-Warbler |
| Acrocephalus baeticatus | African Reed Warbler | African Reed-Warbler |
| Acrocephalus bistrigiceps | Schrenk's Reed Warbler | Black-browed Reed-Warbler |
| Acrocephalus brevipennis | Cape Verde Swamp Warbler | Cape Verde Swamp-Warbler |
| Acrocephalus caffer | Long-billed Reed Warbler | Tahiti Reed-Warbler |
| Acrocephalus concinens | Blunt-winged Paddyfield Warbler | Blunt-winged Warbler |
| Acrocephalus dumetorum | Blyth's Reed Warbler | Blyth's Reed-Warbler |
| Acrocephalus gracilirostris | Swamp Warbler | Lesser Swamp-Warbler |
| Acrocephalus kerearako | Cook Islands Warbler | Cook Islands Reed-Warbler |
| Acrocephalus luscinia | Nightingale Reed Warbler | Nightingale Reed-Warbler |
| Acrocephalus melanopogon | Moustached Warbler | Moustached Warbler |
| Acrocephalus mendanae | Marquesan Reed Warbler | Marquesan Reed-Warbler |
| Acrocephalus newtoni | Madagascar Swamp Warbler | Madagascar Swamp-Warbler |
| Acrocephalus paludicola | Aquatic Warbler | Aquatic Warbler |
| Acrocephalus palustris | Marsh Warbler | Marsh Warbler |
| Acrocephalus rehsei | Nauru Reed Warbler | Nauru Reed-Warbler |
| Acrocephalus rimatarae | Rimatara Reed Warbler | Rimatara Reed-Warbler |
| Acrocephalus rufescens | Rufous Swamp Warbler | Greater Swamp-Warbler |
| Acrocephalus schoenobaenus | Sedge Warbler | Sedge Warbler |
| Acrocephalus scirpaceus | Reed Warbler | Eurasian Reed-Warbler |
| Acrocephalus sorghophilus | Speckled Reed Warbler | Streaked Reed-Warbler |
| Acrocephalus stentoreus | Clamorous Reed Warbler | Clamorous Reed-Warbler |
| Acrocephalus syrinx | Caroline Reed Warbler | Caroline Islands Reed-Warbler |
| Acrocephalus taiti | Henderson Island Reed Warbler | Henderson Island Reed-Warbler |
| Acrocephalus vaughani | Pitcairn Reed Warbler | Pitcairn Reed-Warbler |
| Acropternis orthonyx | Ocellated Tapaculo | Ocellated Tapaculo |
| Acryllium vulturinum | Vulturine Guineafowl | Vulturine Guineafowl |
| Actenoides bougainvillei | Moustached Kingfisher | Moustached Kingfisher |
| Actenoides lindsayi | Spotted Wood Kingfisher | Spotted Kingfisher |
| Actenoides princeps | Bar-headed Wood Kingfisher | Scaly Kingfisher |
| Actinodura egertoni | Rusty-fronted Barwing | Rusty-fronted Barwing |
| Actinodura morrisoniana | Formosan Barwing | Formosan Barwing |
| Actinodura nipalensis | Hoary Barwing | Hoary-throated Barwing |
| Actinodura ramsayi | Spectacled Barwing | Spectacled Barwing |
| Actinodura souliei | Streaked Barwing | Streaked Barwing |
| Actinodura waldeni | Austen's Barwing | Streak-throated Barwing |
| Actophilornis albinucha | Madagascar Jacana | Madagascar Jacana |
| Adelomyia melanogenys | Speckled Hummingbird | Speckled Hummingbird |
| Aechmophorus clarkii | Clark's Grebe | Clark's Grebe |
| Aechmophorus occidentalis | Western Grebe | Western Grebe |
| Aegithalos caudatus | Long-tailed Tit | Long-tailed Tit |
| Aegithalos concinnus | Red-headed Tit | Black-throated Tit |
| Aegithalos fuliginosus | Sooty Long-tailed Tit | White-necklaced Tit |
| Aegithalos iouschistos | Blyth's Long-tailed Tit | Black-browed Tit |
| Aegithalos leucogenys | White-cheeked Tit | White-cheeked Tit |
| Aegithina lafresnayei | Great Iora | Great Iora |
| Aegithina nigrolutea | Marshall's Iora | White-tailed Iora |
| Aegithina tiphia | Common Iora | Common Iora |
| Aegithina viridissima | Green Iora | Green Iora |
| Aegolius acadicus | Saw-whet Owl | Saw-whet Owl |
| Aegolius funereus | Tengmalm's Owl | Boreal Owl |
| Aegolius harrisii | Buff-fronted Owl | Buff-fronted Owl |
| Aegotheles albertisi | Mountain Owlet-Nightjar | Mountain Owlet-Nightjar |
| Aegotheles archboldi | Eastern Mountain Owlet-Nightjar | Archbold's Owlet-Nightjar |
| Aegotheles bennettii | Barred Owlet-Nightjar | Barred Owlet-Nightjar |
| Aegotheles crinifrons | Halmahera Owlet-Nightjar | Long-whiskered Owlet-Nightjar |
| Aegotheles cristatus | Owlet-Nightjar | Australian Owlet-Nightjar |
| Aegotheles insignis | Large Owlet-Nightjar | Feline Owlet-Nightjar |
| Aegotheles savesi | New Caledonian Owlet-Nightjar | New Caledonian Owlet-Nightjar |
| Aegotheles wallacii | Wallace's Owlet-Nightjar | Wallace's Owlet-Nightjar |
| Aegypius monachus | Cinereous Vulture | Cinereous Vulture |
| Aepypodius arfakianus | Wattled Brush Turkey | Wattled Brush-turkey |
| Aepypodius bruijnii | Bruijn's Brush Turkey | Bruijn's Brush-turkey |
| Aeronautes andecolus | Andean Swift | Andean Swift |
| Aeronautes montivagus | White-tipped Swift | White-tipped Swift |
| Aethia cristatella | Crested Auklet | Crested Auklet |
| Aethia pusilla | Least Auklet | Least Auklet |
| Aethia pygmaea | Whiskered Auklet | Whiskered Auklet |
| Aethopyga boltoni | Apo Sunbird | Apo Sunbird |
| Aethopyga christinae | Fork-tailed Sunbird | Fork-tailed Sunbird |
| Aethopyga duyvenbodei | Sanghir Yellow-backed Sunbird | Elegant Sunbird |
| Aethopyga eximia | Kuhl's Sunbird | White-flanked Sunbird |
| Aethopyga flagrans | Flaming Sunbird | Flaming Sunbird |
| Aethopyga gouldiae | Mrs Gould's Sunbird | Gould's Sunbird |
| Aethopyga ignicauda | Fire-tailed Sunbird | Fire-tailed Sunbird |
| Aethopyga mystacalis | Scarlet Sunbird | Scarlet Sunbird |
| Aethopyga nipalensis | Green-tailed Sunbird | Green-tailed Sunbird |
| Aethopyga primigenius | Hachisuka's Sunbird | Grey-hooded Sunbird |
| Aethopyga pulcherrima | Mountain Sunbird | Metallic-winged Sunbird |
| Aethopyga saturata | Black-throated Sunbird | Black-throated Sunbird |
| Aethopyga shelleyi | Palawan Sunbird | Lovely Sunbird |
| Aethopyga siparaja | Yellow-backed Sunbird | Crimson Sunbird |
| Afropavo congensis | Congo Peafowl | Congo Peafowl |
| Agamia agami | Chestnut-bellied Heron | Agami Heron |
| Agapornis fischeri | Fischer's Lovebird | Fischer's Lovebird |
| Agapornis lilianae | Nyasa Lovebird | Lilian's Lovebird |
| Agapornis nigrigenis | Black-cheeked Lovebird | Black-cheeked Lovebird |
| Agapornis roseicollis | Peach-faced Lovebird | Rosy-faced Lovebird |
| Agapornis taranta | Black-winged Lovebird | Black-winged Lovebird |
| Agelaius cyanopus | Unicoloured Blackbird | Unicolored Blackbird |
| Agelaius humeralis | Tawny-shouldered Blackbird | Tawny-shouldered Blackbird |
| Agelaius icterocephalus | Yellow-hooded Blackbird | Yellow-hooded Blackbird |
| Agelaius phoeniceus | Red-winged Blackbird | Red-winged Blackbird |
| Agelaius ruficapillus | Chestnut-capped Blackbird | Chestnut-capped Blackbird |
| Agelaius thilius | Yellow-winged Blackbird | Yellow-winged Blackbird |
| Agelaius tricolor | Tricoloured Blackbird | Tricolored Blackbird |
| Agelaius xanthomus | Yellow-shouldered Blackbird | Yellow-shouldered Blackbird |
| Agelaius xanthophthalmus | Yellow-eyed Blackbird | Pale-eyed Blackbird |
| Agelastes meleagrides | White-breasted Guineafowl | White-breasted Guineafowl |
| Aglaeactis aliciae | Purple-backed Sunbeam | Purple-backed Sunbeam |
| Aglaeactis castelnaudii | White-tufted Sunbeam | White-tufted Sunbeam |
| Aglaeactis cupripennis | Shining Sunbeam | Shining Sunbeam |
| Aglaeactis pamela | Black-hooded Sunbeam | Black-hooded Sunbeam |
| Aglaiocercus coelestis | Violet-tailed Sylph | Violet-tailed Sylph |
| Aglaiocercus kingi | Long-tailed Sylph | Long-tailed Sylph |
| Agriocharis ocellata | Ocellated Turkey | Ocellated Turkey |
| Agriornis andicola | White-tailed Shrike Tyrant | White-tailed Shrike-Tyrant |
| Agriornis livida | Great Shrike Tyrant | Great Shrike-Tyrant |
| Agriornis microptera | Grey-bellied Shrike Tyrant | Grey-bellied Shrike-Tyrant |
| Agriornis montana | Black-billed Shrike Tyrant | Black-billed Shrike-Tyrant |
| Agriornis murina | Mouse-brown Shrike Tyrant | Lesser Shrike-Tyrant |
| Ailuroedus buccoides | White-eared Catbird | White-eared Catbird |
| Ailuroedus crassirostris | Green Catbird | Green Catbird |
| Ailuroedus melanotis | Spotted Catbird | Spotted Catbird |
| Aimophila aestivalis | Bachman's Sparrow | Bachman's Sparrow |
| Aimophila botterii | Botteri's Sparrow | Botteri's Sparrow |
| Aimophila carpalis | Rufous-winged Sparrow | Rufous-winged Sparrow |
| Aimophila cassinii | Cassin's Sparrow | Cassin's Sparrow |
| Aimophila humeralis | Black-chested Sparrow | Black-chested Sparrow |
| Aimophila mystacalis | Bridled Sparrow | Bridled Sparrow |
| Aimophila notosticta | Oaxaca Sparrow | Oaxaca Sparrow |
| Aimophila quinquestriata | Five-striped Sparrow | Five-striped Sparrow |
| Aimophila rufescens | Rusty Sparrow | Rusty Sparrow |
| Aimophila ruficauda | Stripe-headed Sparrow | Stripe-headed Sparrow |
| Aimophila ruficeps | Rufous-crowned Sparrow | Rufous-crowned Sparrow |
| Aimophila strigiceps | Stripe-capped Sparrow | Stripe-capped Sparrow |
| Aimophila sumichrasti | Cinnamon-tailed Sparrow | Cinnamon-tailed Sparrow |
| Aix galericulata | Mandarin Duck | Mandarin Duck |
| Aix sponsa | Wood Duck | Wood Duck |
| Ajaia ajaja | Roseate Spoonbill | Roseate Spoonbill |
| Alaemon alaudipes | Hoopoe Lark | Greater Hoopoe-Lark |
| Alaemon hamertoni | Lesser Hoopoe Lark | Lesser Hoopoe-Lark |
| Alauda arvensis | Eurasian Sky Lark | Eurasian Skylark |
| Alauda gulgula | Oriental Sky Lark | Oriental Skylark |
| Alauda razae | Raza Island Lark | Razo Lark |
| Alca torda | Razorbill | Razorbill |
| Alcedo atthis | River Kingfisher | Common Kingfisher |
| Alcedo coerulescens | Small Blue Kingfisher | Small Blue Kingfisher |
| Alcedo cristata | Malachite Kingfisher | Malachite Kingfisher |
| Alcedo euryzona | Blue-banded Kingfisher | Blue-banded Kingfisher |
| Alcedo hercules | Blyth's Kingfisher | Blyth's Kingfisher |
| Alcedo leucogaster | White-bellied Kingfisher | White-bellied Kingfisher |
| Alcedo meninting | Blue-eared Kingfisher | Blue-eared Kingfisher |
| Alcedo pusilla | Mangrove Kingfisher | Little Kingfisher |
| Alcedo quadribrachys | Shining-blue Kingfisher | Shining Blue Kingfisher |
| Alcedo semitorquata | Half-collared Kingfisher | Half-collared Kingfisher |
| Alcedo vintsioides | Madagascar Malachite Kingfisher | Madagascar Kingfisher |
| Alcippe brunnea | Gould's Fulvetta | Dusky Fulvetta |
| Alcippe brunneicauda | Brown Fulvetta | Brown Fulvetta |
| Alcippe castaneceps | Chestnut-headed Fulvetta | Rufous-winged Fulvetta |
| Alcippe chrysotis | Golden-breasted Fulvetta | Golden-breasted Fulvetta |
| Alcippe cinerea | Yellow-throated Fulvetta | Yellow-throated Fulvetta |
| Alcippe cinereiceps | Streak-throated Fulvetta | Streak-throated Fulvetta |
| Alcippe ludlowi | Ludlow's Fulvetta | Ludlow's Fulvetta |
| Alcippe morrisonia | Grey-cheeked Fulvetta | Grey-cheeked Fulvetta |
| Alcippe nipalensis | Nepal Fulvetta | Nepal Fulvetta |
| Alcippe peracensis | Mountain Fulvetta | Mountain Fulvetta |
| Alcippe poioicephala | Brown-cheeked Fulvetta | Brown-cheeked Fulvetta |
| Alcippe pyrrhoptera | Javanese Fulvetta | Javan Fulvetta |
| Alcippe ruficapilla | Spectacled Fulvetta | Spectacled Fulvetta |
| Alcippe rufogularis | Rufous-throated Fulvetta | Rufous-throated Fulvetta |
| Alcippe striaticollis | Chinese Mountain Fulvetta | Chinese Fulvetta |
| Alcippe variegaticeps | Variegated Fulvetta | Gold-fronted Fulvetta |
| Alcippe vinipectus | White-browed Fulvetta | White-browed Fulvetta |
| Aleadryas rufinucha | Rufous-naped Whistler | Rufous-naped Whistler |
| Alectoris barbara | Barbary Partridge | Barbary Partridge |
| Alectoris chukar | Chukar Partridge | Chukar |
| Alectoris graeca | Rock Partridge | Rock Partridge |
| Alectoris magna | Przewalski's Rock Partridge | Rusty-necklaced Partridge |
| Alectoris melanocephala | Arabian Chukar | Arabian Partridge |
| Alectoris philbyi | Philby's Rock Partridge | Philby's Partridge |
| Alectoris rufa | Red-legged Partridge | Red-legged Partridge |
| Alectroenas madagascariensis | Madagascar Blue Pigeon | Madagascar Blue-Pigeon |
| Alectroenas pulcherrima | Seychelles Blue Pigeon | Seychelles Blue-Pigeon |
| Alectroenas sganzini | Comoro Blue Pigeon | Comoro Blue-Pigeon |
| Alectrurus risora | Strange-tailed Tyrant | Strange-tailed Tyrant |
| Alectrurus tricolor | Cock-tailed Tyrant | Cock-tailed Tyrant |
| Alectura lathami | Brush Turkey | Australian Brush-turkey |
| Alethe choloensis | Cholo Alethe | Cholo Alethe |
| Alethe diademata | Fire-crested Alethe | White-tailed Alethe |
| Alethe fuelleborni | White-chested Alethe | White-chested Alethe |
| Alethe poliocephala | Brown-chested Alethe | Brown-chested Alethe |
| Alethe poliophrys | Red-throated Alethe | Red-throated Alethe |
| Alisterus amboinensis | Amboina King Parrot | Moluccan King-Parrot |
| Alisterus chloropterus | Green-winged King Parrot | Papuan King-Parrot |
| Alisterus scapularis | Australian King Parrot | Australian King-Parrot |
| Alle alle | Little Auk | Dovekie |
| Alopochen aegyptiacus | Egyptian Goose | Egyptian Goose |
| Amadina erythrocephala | Paradise Sparrow | Red-headed Finch |
| Amadina fasciata | Cut-throat Weaver | Cut-throat |
| Amalocichla incerta | Lesser New Guinea Thrush | Lesser Ground-robin |
| Amalocichla sclateriana | Greater New Guinea Thrush | Greater Ground-robin |
| Amandava amandava | Red Munia | Red Avadavat |
| Amandava formosa | Green Munia | Green Avadavat |
| Amandava subflava | Zebra Waxbill | Zebra Waxbill |
| Amaurocichla bocagii | Bocage's Longbill | Bocage's Longbill |
| Amaurornis akool | Brown Crake | Brown Crake |
| Amaurornis bicolor | Elwes' Crake | Black-tailed Crake |
| Amaurornis isabellinus | Sulawesi Water Hen | Isabelline Waterhen |
| Amaurornis olivaceus | Rufous-tailed Moorhen | Bush-hen |
| Amaurornis phoenicurus | White-breasted Water Hen | White-breasted Waterhen |
| Amaurospiza concolor | Blue Seedeater | Blue Seedeater |
| Amaurospiza moesta | Blackish-blue Seedeater | Blackish-blue Seedeater |
| Amazilia amabilis | Blue-chested Hummingbird | Blue-chested Hummingbird |
| Amazilia amazilia | Amazilia Hummingbird | Amazilia Hummingbird |
| Amazilia beryllina | Berylline Hummingbird | Berylline Hummingbird |
| Amazilia boucardi | Mangrove Hummingbird | Mangrove Hummingbird |
| Amazilia candida | White-bellied Emerald | White-bellied Emerald |
| Amazilia castaneiventris | Chestnut-bellied Hummingbird | Chestnut-bellied Hummingbird |
| Amazilia chionogaster | White-bellied Hummingbird | White-bellied Hummingbird |
| Amazilia chionopectus | White-chested Emerald | White-chested Emerald |
| Amazilia cyanifrons | Indigo-capped Hummingbird | Indigo-capped Hummingbird |
| Amazilia cyanocephala | Red-billed Azurecrown | Azure-crowned Hummingbird |
| Amazilia cyanura | Blue-tailed Hummingbird | Blue-tailed Hummingbird |
| Amazilia decora | Charming Hummingbird | Charming Hummingbird |
| Amazilia distans | Tachira Emerald | Tachira Emerald |
| Amazilia edward | Snowy-breasted Hummingbird | Snowy-breasted Hummingbird |
| Amazilia fimbriata | Glittering-throated Emerald | Glittering-throated Emerald |
| Amazilia franciae | Andean Emerald | Andean Emerald |
| Amazilia lactea | Sapphire-spangled Emerald | Sapphire-spangled Emerald |
| Amazilia leucogaster | Plain-bellied Emerald | Plain-bellied Emerald |
| Amazilia luciae | Honduras Emerald | Honduran Emerald |
| Amazilia rosenbergi | Purple-chested Hummingbird | Purple-chested Hummingbird |
| Amazilia rutila | Cinnamon Hummingbird | Cinnamon Hummingbird |
| Amazilia saucerrottei | Steely-vented Hummingbird | Steely-vented Hummingbird |
| Amazilia tobaci | Copper-rumped Hummingbird | Copper-rumped Hummingbird |
| Amazilia tzacatl | Rufous-tailed Hummingbird | Rufous-tailed Hummingbird |
| Amazilia versicolor | Versicoloured Emerald | Versicolored Emerald |
| Amazilia violiceps | Violet-crowned Hummingbird | Violet-crowned Hummingbird |
| Amazilia viridicauda | Green & White Hummingbird | Green-and-white Hummingbird |
| Amazilia viridifrons | Green-fronted Hummingbird | Green-fronted Hummingbird |
| Amazilia yucatanensis | Buff-bellied Hummingbird | Buff-bellied Hummingbird |
| Amazona aestiva | Blue-fronted Amazon | Blue-fronted Parrot |
| Amazona agilis | Black-billed Amazon | Black-billed Parrot |
| Amazona albifrons | White-fronted Amazon | White-fronted Parrot |
| Amazona amazonica | Orange-winged Amazon | Orange-winged Parrot |
| Amazona arausiaca | Red-necked Amazon | Red-necked Parrot |
| Amazona auropalliata | Yellow-naped Amazon | Yellow-naped Parrot |
| Amazona autumnalis | Red-lored Amazon | Red-lored Parrot |
| Amazona barbadensis | Yellow-shouldered Amazon | Yellow-shouldered Parrot |
| Amazona brasiliensis | Red-tailed Amazon | Red-tailed Parrot |
| Amazona collaria | Yellow-billed Amazon | Yellow-billed Parrot |
| Amazona dufresniana | Blue-cheeked Amazon | Blue-cheeked Parrot |
| Amazona farinosa | Mealy Amazon | Mealy Parrot |
| Amazona festiva | Festive Amazon | Festive Parrot |
| Amazona finschi | Lilac-crowned Amazon | Lilac-crowned Parrot |
| Amazona guildingii | St. Vincent Amazon | St. Vincent Parrot |
| Amazona imperialis | Imperial Amazon | Imperial Parrot |
| Amazona kawalli | Kawall's Amazon | Kawall's Parrot |
| Amazona leucocephala | Cuban Amazon | Cuban Parrot |
| Amazona mercenaria | Scaly-naped Amazon | Scaly-naped Parrot |
| Amazona ochrocephala | Yellow-crowned Amazon | Yellow-crowned Parrot |
| Amazona oratrix | Yellow-headed Amazon | Yellow-headed Parrot |
| Amazona pretrei | Red-spectacled Amazon | Red-spectacled Parrot |
| Amazona tucumana | Tucuman Amazon | Tucuman Parrot |
| Amazona ventralis | Hispaniolan Amazon | Hispaniolan Parrot |
| Amazona versicolor | St. Lucia Amazon | St. Lucia Parrot |
| Amazona vinacea | Vinaceous Amazon | Vinaceous Parrot |
| Amazona viridigenalis | Green-cheeked Amazon | Red-crowned Parrot |
| Amazona vittata | Puerto Rican Amazon | Puerto Rican Parrot |
| Amazona xantholora | Yellow-lored Amazon | Yellow-lored Parrot |
| Amazona xanthops | Yellow-faced Amazon | Yellow-faced Parrot |
| Amazonetta brasiliensis | Brazilian Teal | Brazilian Teal |
| Amblyornis flavifrons | Yellow-fronted Gardener Bowerbird | Golden-fronted Bowerbird |
| Amblyornis inornatus | Vogelkop Gardener Bowerbird | Vogelkop Bowerbird |
| Amblyornis macgregoriae | Macgregor's Gardener Bowerbird | Macgregor's Bowerbird |
| Amblyornis subalaris | Striped Gardener Bowerbird | Streaked Bowerbird |
| Amblyospiza albifrons | Grosbeak Weaver | Grosbeak Weaver |
| Amblyramphus holosericeus | Scarlet-headed Blackbird | Scarlet-headed Blackbird |
| Ammodramus bairdii | Baird's Sparrow | Baird's Sparrow |
| Ammodramus caudacutus | Sharp-tailed Sparrow | Sharp-tailed Sparrow |
| Ammodramus henslowii | Henslow's Sparrow | Henslow's Sparrow |
| Ammodramus leconteii | Le Conte's Sparrow | Le Conte's Sparrow |
| Ammodramus maritimus | Seaside Sparrow | Seaside Sparrow |
| Ammodramus savannarum | Grasshopper Sparrow | Grasshopper Sparrow |
| Ammomanes cincturus | Bar-tailed Lark | Bar-tailed Lark |
| Ammomanes deserti | Desert Lark | Desert Lark |
| Ammomanes grayi | Gray's Lark | Gray's Lark |
| Ammomanes phoenicurus | Rufous-tailed Desert Lark | Rufous-tailed Lark |
| Ammoperdix griseogularis | See See Partridge | See-see Partridge |
| Ammoperdix heyi | Sand Partridge | Sand Partridge |
| Ampeliceps coronatus | Gold-crested Mynah | Golden-crested Myna |
| Ampelioides tschudii | Scaled Fruiteater | Scaled Fruiteater |
| Ampelion rubrocristata | Red-crested Cotinga | Red-crested Cotinga |
| Ampelion rufaxilla | Chestnut-crested Cotinga | Chestnut-crested Cotinga |
| Amphilais seebohmi | Seebohm's Feather-tailed Warbler | Grey Emu-tail |
| Amphispiza belli | Sage Sparrow | Sage Sparrow |
| Amphispiza bilineata | Black-throated Sparrow | Black-throated Sparrow |
| Amytornis barbatus | Grey Grass Wren | Grey Grasswren |
| Amytornis dorotheae | Red-winged Grass Wren | Carpentarian Grasswren |
| Amytornis goyderi | Eyrean Grass Wren | Eyrean Grasswren |
| Amytornis housei | Black Grass Wren | Black Grasswren |
| Amytornis purnelli | Dusky Grass Wren | Dusky Grasswren |
| Amytornis striatus | Striped Grass Wren | Striated Grasswren |
| Amytornis textilis | Thick-billed Grass Wren | Thick-billed Grasswren |
| Amytornis woodwardi | White-throated Grass Wren | White-throated Grasswren |
| Anairetes alpinus | Ash-breasted Tit Tyrant | Ash-breasted Tit-Tyrant |
| Anairetes fernandezianus | Juan Fernandez Tit Tyrant | Juan Fernandez Tit-Tyrant |
| Anairetes flavirostris | Yellow-billed Tit Tyrant | Yellow-billed Tit-Tyrant |
| Anairetes parulus | Tufted Tit Tyrant | Tufted Tit-Tyrant |
| Anairetes reguloides | Pied-crested Tit Tyrant | Pied-crested Tit-Tyrant |
| Anarhynchus frontalis | Wry-bill | Wrybill |
| Anas acuta | Northern Pintail | Northern Pintail |
| Anas americana | American Wigeon | American Wigeon |
| Anas aucklandica | New Zealand Teal | Brown Teal |
| Anas bahamensis | Bahama Pintail | White-cheeked Pintail |
| Anas bernieri | Madagascar Teal | Bernier's Teal |
| Anas capensis | Cape Teal | Cape Teal |
| Anas castanea | Chestnut-breasted Teal | Chestnut Teal |
| Anas clypeata | Northern Shoveller | Northern Shoveler |
| Anas crecca | Green-winged Teal | Common Teal |
| Anas cyanoptera | Cinnamon Teal | Cinnamon Teal |
| Anas discors | Blue-winged Teal | Blue-winged Teal |
| Anas eatoni | Eaton's Pintail | Eaton's Pintail |
| Anas erythrorhyncha | Red-billed Pintail | Red-billed Duck |
| Anas falcata | Falcated Teal | Falcated Duck |
| Anas flavirostris | Chilean Teal | Speckled Teal |
| Anas formosa | Baikal Teal | Baikal Teal |
| Anas georgica | Georgian Teal | Yellow-billed Pintail |
| Anas gibberifrons | Sunda Teal | Sunda Teal |
| Anas gracilis | Grey Teal | Grey Teal |
| Anas luzonica | Philippine Duck | Philippine Duck |
| Anas melleri | Meller's Duck | Meller's Duck |
| Anas penelope | European Wigeon | Eurasian Wigeon |
| Anas platalea | Argentine Shoveller | Red Shoveler |
| Anas platyrhynchos | Mallard | Mallard |
| Anas poecilorhyncha | Spotbill Duck | Spot-billed Duck |
| Anas puna | Puna Teal | Puna Teal |
| Anas querquedula | Garganey | Garganey |
| Anas rhynchotis | Australian Shoveller | Australian Shoveler |
| Anas rubripes | North American Black Duck | American Black Duck |
| Anas sibilatrix | Chiloe Wigeon | Chiloe Wigeon |
| Anas smithii | Cape Shoveller | Cape Shoveler |
| Anas sparsa | African Black Duck | African Black Duck |
| Anas specularioides | Crested Duck | Crested Duck |
| Anas specularis | Bronze-winged Duck | Spectacled Duck |
| Anas strepera | Gadwall | Gadwall |
| Anas superciliosa | Pacific Black Duck | Pacific Black Duck |
| Anas undulata | African Yellow-bill | Yellow-billed Duck |
| Anas versicolor | Versicolor Teal | Silver Teal |
| Anastomus lamelligerus | African Open-bill Stork | African Openbill |
| Anastomus oscitans | Asian Open-bill Stork | Asian Openbill |
| Andigena cucullata | Hooded Mountain Toucan | Hooded Mountain-Toucan |
| Andigena hypoglauca | Grey-breasted Mountain Toucan | Grey-breasted Mountain-Toucan |
| Andigena laminirostris | Plate-billed Mountain Toucan | Plate-billed Mountain-Toucan |
| Andigena nigrirostris | Black-billed Mountain Toucan | Black-billed Mountain-Toucan |
| Androdon aequatorialis | Tooth-billed Hummingbird | Tooth-billed Hummingbird |
| Androphobus viridis | Green-backed Babbler | Papuan Whipbird |
| Anhima cornuta | Horned Screamer | Horned Screamer |
| Anhinga anhinga | American Darter | Anhinga |
| Anhinga melanogaster | Indian Darter | Oriental Darter |
| Anhinga novaehollandiae | Australian Darter | Australian Darter |
| Anhinga rufa | African Darter | African Darter |
| Anisognathus igniventris | Scarlet-bellied Mountain Tanager | Scarlet-bellied Mountain-Tanager |
| Anisognathus lacrymosus | Lacrimose Mountain Tanager | Lacrimose Mountain-Tanager |
| Anisognathus melanogenys | Black-cheeked Mountain Tanager | Santa Marta Mountain-Tanager |
| Anisognathus notabilis | Black-chinned Mountain Tanager | Black-chinned Mountain-Tanager |
| Anodorhynchus glaucus | Glaucous Macaw | Glaucous Macaw |
| Anodorhynchus hyacinthinus | Hyacinth Macaw | Hyacinth Macaw |
| Anodorhynchus leari | Indigo Macaw | Indigo Macaw |
| Anomalospiza imberbis | Parasitic Weaver | Parasitic Weaver |
| Anorrhinus galeritus | Bushy-crested Hornbill | Bushy-crested Hornbill |
| Anous minutus | White-capped Noddy | Black Noddy |
| Anous stolidus | Common Noddy | Brown Noddy |
| Anous tenuirostris | Lesser Noddy | Lesser Noddy |
| Anser albifrons | White-fronted Goose | Greater White-fronted Goose |
| Anser anser | Greylag Goose | Greylag Goose |
| Anser brachyrhynchus | Pink-footed Goose | Pink-footed Goose |
| Anser caerulescens | Snow Goose | Snow Goose |
| Anser cygnoides | Swan Goose | Swan Goose |
| Anser erythropus | Lesser White-fronted Goose | Lesser White-fronted Goose |
| Anser fabalis | Bean Goose | Bean Goose |
| Anser indicus | Bar-headed Goose | Bar-headed Goose |
| Anseranas semipalmata | Magpie Goose | Magpie Goose |
| Anthocephala floriceps | Blossomcrown | Blossomcrown |
| Anthochaera carunculata | Red Wattle Bird | Red Wattlebird |
| Anthochaera chrysoptera | Little Wattle Bird | Brush Wattlebird |
| Anthochaera paradoxa | Yellow Wattle Bird | Yellow Wattlebird |
| Anthornis melanura | New Zealand Bellbird | New Zealand Bellbird |
| Anthoscopus caroli | African Penduline Tit | African Penduline-Tit |
| Anthoscopus flavifrons | Yellow-fronted Tit | Forest Penduline-Tit |
| Anthoscopus minutus | Southern Kapok Tit | Southern Penduline-Tit |
| Anthoscopus musculus | Mouse-coloured Tit | Mouse-colored Penduline-Tit |
| Anthoscopus parvulus | Yellow Penduline Tit | Yellow Penduline-Tit |
| Anthoscopus punctifrons | Sennar Kapok Tit | Sennar Penduline-Tit |
| Anthoscopus sylviella | Rungwe Penduline Tit | Buff-bellied Penduline-Tit |
| Anthracoceros coronatus | Malabar Pied Hornbill | Malabar Pied-Hornbill |
| Anthracoceros malayanus | Black Hornbill | Black Hornbill |
| Anthracoceros marchei | Palawan Hornbill | Palawan Hornbill |
| Anthracoceros montani | Sulu Hornbill | Sulu Hornbill |
| Anthracothorax dominicus | Antillean Mango | Antillean Mango |
| Anthracothorax mango | Jamaican Mango | Jamaican Mango |
| Anthracothorax nigricollis | Black-throated Mango | Black-throated Mango |
| Anthracothorax prevostii | Green-breasted Mango | Green-breasted Mango |
| Anthracothorax viridigula | Green-throated Mango | Green-throated Mango |
| Anthracothorax viridis | Green Mango | Green Mango |
| Anthreptes anchietae | Anchieta's Sunbird | Anchieta's Sunbird |
| Anthreptes aurantium | Violet-tailed Sunbird | Violet-tailed Sunbird |
| Anthreptes collaris | Collared Sunbird | Collared Sunbird |
| Anthreptes fraseri | Scarlet-tufted Sunbird | Scarlet-tufted Sunbird |
| Anthreptes gabonicus | Brown Sunbird | Mouse-brown Sunbird |
| Anthreptes longuemarei | Violet-backed Sunbird | Western Violet-backed Sunbird |
| Anthreptes malacensis | Plain-throated Sunbird | Plain-throated Sunbird |
| Anthreptes neglectus | Uluguru Violet-backed Sunbird | Uluguru Violet-backed Sunbird |
| Anthreptes orientalis | Kenya Violet-backed Sunbird | Kenya Violet-backed Sunbird |
| Anthreptes pallidigaster | Amani Sunbird | Amani Sunbird |
| Anthreptes platurus | Pygmy Sunbird | Pygmy Sunbird |
| Anthreptes rectirostris | Green Sunbird | Green Sunbird |
| Anthreptes reichenowi | Plain-backed Sunbird | Plain-backed Sunbird |
| Anthreptes rhodolaema | Shelley's Sunbird | Red-throated Sunbird |
| Anthreptes rubritorques | Banded Green Sunbird | Banded Sunbird |
| Anthreptes simplex | Plain-coloured Sunbird | Plain Sunbird |
| Anthreptes singalensis | Ruby-cheeked Sunbird | Ruby-cheeked Sunbird |
| Anthus antarcticus | South Georgia Pipit | South Georgia Pipit |
| Anthus berthelotii | Canarian Pipit | Berthelot's Pipit |
| Anthus bogotensis | Paramo Pipit | Paramo Pipit |
| Anthus brachyurus | Short-tailed Pipit | Short-tailed Pipit |
| Anthus caffer | Bushveld Pipit | Bush Pipit |
| Anthus camaroonensis | Cameroun Pipit | Cameroon Pipit |
| Anthus campestris | Tawny Pipit | Tawny Pipit |
| Anthus cervinus | Red-throated Pipit | Red-throated Pipit |
| Anthus chacoensis | Chaco Pipit | Chaco Pipit |
| Anthus cinnamomeus | African Pipit | African Pipit |
| Anthus correndera | Correndera Pipit | Correndera Pipit |
| Anthus crenatus | African Rock Pipit | Yellow-tufted Pipit |
| Anthus furcatus | Short-billed Pipit | Short-billed Pipit |
| Anthus godlewskii | Blyth's Pipit | Blyth's Pipit |
| Anthus gustavi | Petchora Pipit | Pechora Pipit |
| Anthus gutturalis | New Guinea Pipit | Alpine Pipit |
| Anthus hellmayri | Hellmayr's Pipit | Hellmayr's Pipit |
| Anthus hodgsoni | Indian Tree Pipit | Olive-backed Pipit |
| Anthus hoeschi | Mountain Pipit | Mountain Pipit |
| Anthus latistriatus | Jackson's Pipit | Jackson's Pipit |
| Anthus leucophrys | Plain-backed Pipit | Plain-backed Pipit |
| Anthus lineiventris | Striped Pipit | Striped Pipit |
| Anthus lutescens | Yellowish Pipit | Yellowish Pipit |
| Anthus melindae | Malindi Pipit | Malindi Pipit |
| Anthus nattereri | Ochre-breasted Pipit | Ochre-breasted Pipit |
| Anthus nilghiriensis | Nilgiri Pipit | Nilgiri Pipit |
| Anthus novaeseelandiae | Australasian Pipit | Australasian Pipit |
| Anthus nyassae | Woodland Pipit | Woodland Pipit |
| Anthus pallidiventris | Long-legged Pipit | Long-legged Pipit |
| Anthus petrosus | Rock Pipit | Rock Pipit |
| Anthus pratensis | Meadow Pipit | Meadow Pipit |
| Anthus richardi | Richard's Pipit | Richard's Pipit |
| Anthus roseatus | Hodgson's Pipit | Rosy Pipit |
| Anthus rubescens | Buff-bellied Pipit | American Pipit |
| Anthus rufulus | Paddyfield Pipit | Paddyfield Pipit |
| Anthus similis | Long-billed Pipit | Long-billed Pipit |
| Anthus sokokensis | Sokoke Pipit | Sokoke Pipit |
| Anthus spinoletta | Water Pipit | Water Pipit |
| Anthus spragueii | Sprague's Pipit | Sprague's Pipit |
| Anthus sylvanus | Upland Pipit | Upland Pipit |
| Anthus trivialis | Tree Pipit | Tree Pipit |
| Anthus vaalensis | Buffy Pipit | Buffy Pipit |
| Antilophia galeata | Helmeted Manakin | Helmeted Manakin |
| Anumbius annumbi | Firewood Gatherer | Firewood-gatherer |
| Anurophasis monorthonyx | Snow Mountain Quail | Snow Mountain Quail |
| Apalis alticola | Brown-headed Apalis | Brown-headed Apalis |
| Apalis bamendae | Bamenda Apalis | Bamenda Apalis |
| Apalis binotata | Masked Apalis | Masked Apalis |
| Apalis chapini | Chapin's Apalis | Chapin's Apalis |
| Apalis chariessa | White-winged Apalis | White-winged Apalis |
| Apalis chirindensis | Chirinda Apalis | Chirinda Apalis |
| Apalis cinerea | Grey Apalis | Grey Apalis |
| Apalis flavida | Yellow-chested Apalis | Yellow-breasted Apalis |
| Apalis goslingi | Gosling's Apalis | Gosling's Apalis |
| Apalis jacksoni | Black-throated Apalis | Black-throated Apalis |
| Apalis karamojae | Karamoja Apalis | Karamoja Apalis |
| Apalis melanocephala | Black-headed Apalis | Black-headed Apalis |
| Apalis nigriceps | Black-capped Apalis | Black-capped Apalis |
| Apalis personata | Mountain Masked Apalis | Black-faced Apalis |
| Apalis porphyrolaema | Chestnut-throated Apalis | Chestnut-throated Apalis |
| Apalis pulchra | Black-collared Apalis | Black-collared Apalis |
| Apalis ruddi | Rudd's Apalis | Rudd's Apalis |
| Apalis rufifrons | Red-faced Warbler | Red-faced Apalis |
| Apalis rufogularis | Buff-throated Apalis | Buff-throated Apalis |
| Apalis ruwenzorii | Collared Apalis | Collared Apalis |
| Apalis sharpii | Sharpe's Apalis | Sharpe's Apalis |
| Apalis thoracica | Bar-throated Apalis | Bar-throated Apalis |
| Apaloderma aequatoriale | Bare-cheeked Trogon | Bare-cheeked Trogon |
| Apaloderma narina | Narina's Trogon | Narina Trogon |
| Apaloderma vittatum | Bar-tailed Trogon | Bar-tailed Trogon |
| Apalopteron familiare | Bonin Island Honeyeater | Bonin Honeyeater |
| Aphanotriccus audax | Black-billed Flycatcher | Black-billed Flycatcher |
| Aphanotriccus capitalis | Tawny-chested Flycatcher | Tawny-chested Flycatcher |
| Aphantochroa cirrochloris | Sombre Hummingbird | Sombre Hummingbird |
| Aphelocephala leucopsis | Southern Whiteface | Southern Whiteface |
| Aphelocephala nigricincta | Banded Whiteface | Banded Whiteface |
| Aphelocephala pectoralis | Chestnut-breasted Whiteface | Chestnut-breasted Whiteface |
| Aphelocoma coerulescens | Scrub Jay | Florida Jay |
| Aphelocoma ultramarina | Mexican Jay | Mexican Jay |
| Aphelocoma unicolor | Unicoloured Jay | Unicolored Jay |
| Aphrastura masafuerae | Masafuera Rayadito | Mas Afuera Rayadito |
| Aphrastura spinicauda | Thorn-tailed Rayadito | Thorn-tailed Rayadito |
| Aphriza virgata | Surfbird | Surfbird |
| Aplonis atrifusca | Samoan Starling | Samoan Starling |
| Aplonis brunneicapilla | White-eyed Starling | White-eyed Starling |
| Aplonis cantoroides | Singing Starling | Singing Starling |
| Aplonis cinerascens | Rarotonga Starling | Rarotonga Starling |
| Aplonis crassa | Tanimbar Starling | Tanimbar Starling |
| Aplonis dichroa | San Cristobal Starling | San Cristobal Starling |
| Aplonis feadensis | Fead Islands Starling | Atoll Starling |
| Aplonis fusca | Norfolk Island Starling | Norfolk Starling |
| Aplonis grandis | Large Glossy Starling | Brown-winged Starling |
| Aplonis insularis | Rennell Island Starling | Rennell Starling |
| Aplonis magna | Long-tailed Starling | Long-tailed Starling |
| Aplonis mavornata | Mysterious Starling | Mysterious Starling |
| Aplonis metallica | Shining Starling | Metallic Starling |
| Aplonis minor | Short-tailed Starling | Short-tailed Starling |
| Aplonis mysolensis | Moluccan Starling | Moluccan Starling |
| Aplonis mystacea | Grant's Starling | Yellow-eyed Starling |
| Aplonis opaca | Micronesian Starling | Micronesian Starling |
| Aplonis panayensis | Philippine Glossy Starling | Asian Glossy Starling |
| Aplonis pelzelni | Ponape Starling | Pohnpei Starling |
| Aplonis santovestris | Mountain Starling | Mountain Starling |
| Aplonis striata | Striated Starling | Striated Starling |
| Aplonis tabuensis | Striped Starling | Polynesian Starling |
| Aplonis zelandica | New Hebrides Starling | Rusty-winged Starling |
| Aprosmictus erythropterus | Red-winged Parrot | Red-winged Parrot |
| Aprosmictus jonquillaceus | Timor Red-winged Parrot | Olive-shouldered Parrot |
| Aptenodytes forsteri | Emperor Penguin | Emperor Penguin |
| Aptenodytes patagonicus | King Penguin | King Penguin |
| Apteryx australis | Brown Kiwi | Brown Kiwi |
| Apteryx haastii | Great Spotted Kiwi | Great Spotted Kiwi |
| Apteryx owenii | Little Spotted Kiwi | Little Spotted Kiwi |
| Apus acuticauda | Dark-backed Swift | Dark-rumped Swift |
| Apus affinis | Little Swift | Little Swift |
| Apus alexandri | Alexander's Swift | Alexander's Swift |
| Apus apus | Eurasian Swift | Common Swift |
| Apus barbatus | African Black Swift | African Swift |
| Apus batesi | Bates' Black Swift | Bates's Swift |
| Apus berliozi | Berlioz' Swift | Forbes-Watson's Swift |
| Apus bradfieldi | Bradfield's Swift | Bradfield's Swift |
| Apus caffer | White-rumped Swift | White-rumped Swift |
| Apus horus | Horus Swift | Horus Swift |
| Apus niansae | Nyanza Swift | Nyanza Swift |
| Apus nipalensis | House Swift | House Swift |
| Apus pacificus | Fork-tailed Swift | Fork-tailed Swift |
| Apus pallidus | Pallid Swift | Pallid Swift |
| Apus toulsoni | Loanda Swift | Loanda Swift |
| Apus unicolor | Plain Swift | Plain Swift |
| Aquila audax | Wedge-tailed Eagle | Wedge-tailed Eagle |
| Aquila chrysaetos | Golden Eagle | Golden Eagle |
| Aquila clanga | Greater Spotted Eagle | Greater Spotted Eagle |
| Aquila gurneyi | Gurney's Eagle | Gurney's Eagle |
| Aquila heliaca | Imperial Eagle | Imperial Eagle |
| Aquila pomarina | Lesser Spotted Eagle | Lesser Spotted Eagle |
| Aquila rapax | Tawny Eagle | Tawny Eagle |
| Aquila verreauxii | Verreaux's Eagle | Verreaux's Eagle |
| Ara ambigua | Buffon's Macaw | Great Green Macaw |
| Ara ararauna | Blue & Yellow Macaw | Blue-and-yellow Macaw |
| Ara auricollis | Yellow-collared Macaw | Yellow-collared Macaw |
| Ara couloni | Blue-headed Macaw | Blue-headed Macaw |
| Ara glaucogularis | Wagler's Macaw | Blue-throated Macaw |
| Ara macao | Scarlet Macaw | Scarlet Macaw |
| Ara manilata | Red-bellied Macaw | Red-bellied Macaw |
| Ara maracana | Illiger's Macaw | Blue-winged Macaw |
| Ara militaris | Military Macaw | Military Macaw |
| Ara nobilis | Red-shouldered Macaw | Red-shouldered Macaw |
| Ara rubrogenys | Red-fronted Macaw | Red-fronted Macaw |
| Ara severa | Chestnut-fronted Macaw | Chestnut-fronted Macaw |
| Arachnothera affinis | Grey-breasted Spiderhunter | Grey-breasted Spiderhunter |
| Arachnothera chrysogenys | Lesser Yellow-eared Spiderhunter | Yellow-eared Spiderhunter |
| Arachnothera clarae | Naked-faced Spiderhunter | Naked-faced Spiderhunter |
| Arachnothera crassirostris | Thick-billed Spiderhunter | Thick-billed Spiderhunter |
| Arachnothera everetti | Everett's Spiderhunter | Bornean Spiderhunter |
| Arachnothera flavigaster | Greater Yellow-eared Spiderhunter | Spectacled Spiderhunter |
| Arachnothera juliae | Whitehead's Spiderhunter | Whitehead's Spiderhunter |
| Arachnothera longirostra | Little Spiderhunter | Little Spiderhunter |
| Arachnothera magna | Streaked Spiderhunter | Streaked Spiderhunter |
| Arachnothera robusta | Long-billed Spiderhunter | Long-billed Spiderhunter |
| Aramus guarauna | Limpkin | Limpkin |
| Aratinga acuticaudata | Blue-crowned Conure | Blue-crowned Parakeet |
| Aratinga aurea | Peach-fronted Conure | Peach-fronted Parakeet |
| Aratinga auricapilla | Golden-capped Conure | Golden-capped Parakeet |
| Aratinga cactorum | Cactus Conure | Cactus Parakeet |
| Aratinga canicularis | Orange-fronted Conure | Orange-fronted Parakeet |
| Aratinga chloroptera | Hispaniolan Conure | Hispaniolan Parakeet |
| Aratinga erythrogenys | Red-masked Conure | Red-masked Parakeet |
| Aratinga euops | Cuban Conure | Cuban Parakeet |
| Aratinga finschi | Finsch's Conure | Crimson-fronted Parakeet |
| Aratinga guarouba | Golden Conure | Golden Parakeet |
| Aratinga holochlora | Green Conure | Green Parakeet |
| Aratinga jandaya | Jandaya Conure | Jandaya Parakeet |
| Aratinga leucophthalmus | White-eyed Conure | White-eyed Parakeet |
| Aratinga mitrata | Mitred Conure | Mitred Parakeet |
| Aratinga nana | Olive-throated Conure | Olive-throated Parakeet |
| Aratinga pertinax | Brown-throated Conure | Brown-throated Parakeet |
| Aratinga solstitialis | Sun Conure | Sun Parakeet |
| Aratinga strenua | Pacific Parakeet | Pacific Parakeet |
| Aratinga wagleri | Red-fronted Conure | Scarlet-fronted Parakeet |
| Aratinga weddellii | Dusky-headed Conure | Dusky-headed Parakeet |
| Arborophila ardens | Hainan Hill Partridge | Hainan Partridge |
| Arborophila atrogularis | White-cheeked Hill Partridge | White-cheeked Partridge |
| Arborophila brunneopectus | Brown-breasted Hill Partridge | Bar-backed Partridge |
| Arborophila cambodiana | Chestnut-headed Tree Partridge | Chestnut-headed Partridge |
| Arborophila crudigularis | White-throated Hill Partridge | Taiwan Partridge |
| Arborophila davidi | David's Tree Partridge | Orange-necked Partridge |
| Arborophila gingica | Rickett's Hill Partridge | White-necklaced Partridge |
| Arborophila hyperythra | Red-breasted Tree Partridge | Red-breasted Partridge |
| Arborophila javanica | Chestnut-bellied Tree Partridge | Chestnut-bellied Partridge |
| Arborophila mandellii | Red-breasted Hill Partridge | Chestnut-breasted Partridge |
| Arborophila orientalis | Sumatran Hill Partridge | Grey-breasted Partridge |
| Arborophila rubrirostris | Red-billed Tree Partridge | Red-billed Partridge |
| Arborophila rufipectus | Boulton's Hill Partridge | Sichuan Partridge |
| Arborophila rufogularis | Rufous-throated Hill Partridge | Rufous-throated Partridge |
| Arborophila torqueola | Common Hill Partridge | Hill Partridge |
| Arcanator orostruthus | Dappled Mountain Robin | Dapple-throat |
| Archboldia papuensis | Archbold's Bowerbird | Archbold's Bowerbird |
| Archilochus alexandri | Black-chinned Hummingbird | Black-chinned Hummingbird |
| Archilochus colubris | Ruby-throated Hummingbird | Ruby-throated Hummingbird |
| Ardea cinerea | Grey Heron | Grey Heron |
| Ardea cocoi | Cocoi Heron | Cocoi Heron |
| Ardea goliath | Goliath Heron | Goliath Heron |
| Ardea herodias | Great Blue Heron | Great Blue Heron |
| Ardea humbloti | Malagasy Heron | Humblot's Heron |
| Ardea insignis | Imperial Heron | White-bellied Heron |
| Ardea melanocephala | Black-headed Heron | Black-headed Heron |
| Ardea pacifica | White-necked Heron | Pacific Heron |
| Ardea purpurea | Purple Heron | Purple Heron |
| Ardea sumatrana | Dusky-grey Heron | Great-billed Heron |
| Ardeola bacchus | Chinese Pond Heron | Chinese Pond-Heron |
| Ardeola grayii | Indian Pond Heron | Indian Pond-Heron |
| Ardeola idae | Malagasy Pond Heron | Madagascar Pond-Heron |
| Ardeola ralloides | Squacco Heron | Squacco Heron |
| Ardeola rufiventris | Rufous-bellied Heron | Rufous-bellied Heron |
| Ardeola speciosa | Javanese Pond Heron | Javan Pond-Heron |
| Ardeotis arabs | Arabian Bustard | Arabian Bustard |
| Ardeotis kori | Kori Bustard | Kori Bustard |
| Arenaria interpres | Ruddy Turnstone | Ruddy Turnstone |
| Arenaria melanocephala | Black Turnstone | Black Turnstone |
| Argusianus argus | Great Argus Pheasant | Great Argus |
| Arremon abeillei | Black-capped Sparrow | Black-capped Sparrow |
| Arremon aurantiirostris | Orange-billed Sparrow | Orange-billed Sparrow |
| Arremon flavirostris | Saffron-billed Sparrow | Saffron-billed Sparrow |
| Arremon schlegeli | Golden-winged Sparrow | Golden-winged Sparrow |
| Arremon taciturnus | Pectoral Sparrow | Pectoral Sparrow |
| Arremonops chloronotus | Green-backed Sparrow | Green-backed Sparrow |
| Arremonops conirostris | Black-striped Sparrow | Black-striped Sparrow |
| Arremonops rufivirgatus | Olive Sparrow | Olive Sparrow |
| Arremonops tocuyensis | Tocuyo Sparrow | Tocuyo Sparrow |
| Arses kaupi | Pied Flycatcher | Pied Monarch |
| Arses telescophthalmus | Frilled Flycatcher | Frilled Monarch |
| Artamella viridis | White-headed Vanga | White-headed Vanga |
| Artamus cinereus | Black-faced Wood Swallow | Black-faced Woodswallow |
| Artamus cyanopterus | Dusky Wood Swallow | Dusky Woodswallow |
| Artamus fuscus | Ashy Wood Swallow | Ashy Woodswallow |
| Artamus insignis | Bismarck Wood Swallow | Bismarck Woodswallow |
| Artamus leucorynchus | White-breasted Wood Swallow | White-breasted Woodswallow |
| Artamus maximus | Papuan Wood Swallow | Great Woodswallow |
| Artamus minor | Little Wood Swallow | Little Woodswallow |
| Artamus monachus | White-backed Wood Swallow | Ivory-backed Woodswallow |
| Artamus personatus | Masked Wood Swallow | Masked Woodswallow |
| Artamus superciliosus | White-browed Wood Swallow | White-browed Woodswallow |
| Ashbyia lovensis | Desert Chat | Gibberbird |
| Asio abyssinicus | Abyssinian Long-eared Owl | Abyssinian Owl |
| Asio capensis | African Marsh Owl | Marsh Owl |
| Asio clamator | Striped Owl | Striped Owl |
| Asio flammeus | Short-eared Owl | Short-eared Owl |
| Asio madagascariensis | Madagascar Long-eared Owl | Madagascar Owl |
| Asio otus | Long-eared Owl | Long-eared Owl |
| Asio stygius | Stygian Owl | Stygian Owl |
| Aspatha gularis | Blue-throated Motmot | Blue-throated Motmot |
| Asthenes luizae | Cipo Canastero | Cipo Canastero |
| Astrapia mayeri | Ribbon-tailed Bird of Paradise | Ribbon-tailed Astrapia |
| Astrapia nigra | Arfak Bird of Paradise | Arfak Astrapia |
| Astrapia rothschildi | Huon Bird of Paradise | Huon Astrapia |
| Astrapia splendidissima | Splendid Bird of Paradise | Splendid Astrapia |
| Astrapia stephaniae | Princess Stephanie's Bird of Paradise | Stephanie's Astrapia |
| Asturina nitida | Grey Hawk | Grey-lined Hawk |
| Atalotriccus pilaris | Pale-eyed Pygmy Tyrant | Pale-eyed Pygmy-Tyrant |
| Atelornis crossleyi | Crossley's Ground Roller | Rufous-headed Ground-Roller |
| Atelornis pittoides | Pitta-like Ground Roller | Pitta-like Ground-Roller |
| Athene blewitti | Forest Owlet | Forest Owlet |
| Athene brama | Spotted Owlet | Spotted Owlet |
| Athene noctua | Little Owl | Little Owl |
| Atlantisia rogersi | Inaccessible Island Rail | Inaccessible Island Rail |
| Atlapetes albiceps | White-headed Brush Finch | White-headed Brush-Finch |
| Atlapetes albinucha | White-naped Brush Finch | White-naped Brush-Finch |
| Atlapetes albofrenatus | Moustached Brush Finch | Moustached Brush-Finch |
| Atlapetes atricapillus | Black-headed Brush Finch | Black-headed Brush-Finch |
| Atlapetes brunneinucha | Chestnut-capped Brush Finch | Chestnut-capped Brush-Finch |
| Atlapetes citrinellus | Yellow-striped Brush Finch | Yellow-striped Brush-Finch |
| Atlapetes flaviceps | Olive-headed Brush Finch | Olive-headed Brush-Finch |
| Atlapetes fulviceps | Fulvous-headed Brush Finch | Fulvous-headed Brush-Finch |
| Atlapetes fuscoolivaceus | Dusky-headed Brush Finch | Dusky-headed Brush-Finch |
| Atlapetes gutturalis | Yellow-throated Brush Finch | Yellow-throated Brush-Finch |
| Atlapetes leucopis | White-rimmed Brush Finch | White-rimmed Brush-Finch |
| Atlapetes leucopterus | White-winged Brush Finch | White-winged Brush-Finch |
| Atlapetes melanocephalus | Santa Marta Brush Finch | Santa Marta Brush-Finch |
| Atlapetes nationi | Rusty-bellied Brush Finch | Rusty-bellied Brush-Finch |
| Atlapetes pallidiceps | Pale-headed Brush Finch | Pale-headed Brush-Finch |
| Atlapetes pallidinucha | Pale-naped Brush Finch | Pale-naped Brush-Finch |
| Atlapetes personatus | Tepui Brush Finch | Tepui Brush-Finch |
| Atlapetes pileatus | Rufous-capped Brush Finch | Rufous-capped Brush-Finch |
| Atlapetes rufigenis | Rufous-eared Brush Finch | Rufous-eared Brush-Finch |
| Atlapetes rufinucha | Rufous-naped Brush Finch | Rufous-naped Brush-Finch |
| Atlapetes schistaceus | Slaty Brush Finch | Slaty Brush-Finch |
| Atlapetes seebohmi | Bay-crowned Brush Finch | Bay-crowned Brush-Finch |
| Atlapetes semirufus | Ochre-breasted Brush Finch | Ochre-breasted Brush-Finch |
| Atlapetes torquatus | Stripe-headed Brush Finch | Stripe-headed Brush-Finch |
| Atlapetes tricolor | Tricoloured Brush Finch | Tricolored Brush-Finch |
| Atlapetes virenticeps | Green-striped Brush Finch | Green-striped Brush-Finch |
| Atrichornis clamosus | Western Scrubbird | Noisy Scrub-bird |
| Atrichornis rufescens | Rufous Scrubbird | Rufous Scrub-bird |
| Attagis gayi | Rufous-bellied Seed-Snipe | Rufous-bellied Seedsnipe |
| Attagis malouinus | White-bellied Seed-Snipe | White-bellied Seedsnipe |
| Atthis ellioti | Wine-throated Hummingbird | Wine-throated Hummingbird |
| Atthis heloisa | Bumblebee Hummingbird | Bumblebee Hummingbird |
| Atticora fasciata | White-banded Swallow | White-banded Swallow |
| Atticora melanoleuca | Black-collared Swallow | Black-collared Swallow |
| Attila bolivianus | Dull-capped Attila | Dull-capped Attila |
| Attila cinnamomeus | Cinnamon Attila | Cinnamon Attila |
| Attila citriniventris | Citron-bellied Attila | Citron-bellied Attila |
| Attila phoenicurus | Rufous-tailed Attila | Rufous-tailed Attila |
| Attila rufus | Grey-hooded Attila | Grey-hooded Attila |
| Attila spadiceus | Bright-rumped Attila | Bright-rumped Attila |
| Attila torridus | Ochraceous Attila | Ochraceous Attila |
| Augastes lumachellus | Hooded Visor-bearer | Hooded Visorbearer |
| Augastes scutatus | Hyacinth Visor-bearer | Hyacinth Visorbearer |
| Aulacorhynchus coeruleicinctis | Blue-banded Toucanet | Blue-banded Toucanet |
| Aulacorhynchus derbianus | Chestnut-tipped Toucanet | Chestnut-tipped Toucanet |
| Aulacorhynchus haematopygus | Crimson-rumped Toucanet | Crimson-rumped Toucanet |
| Aulacorhynchus huallagae | Yellow-browed Toucanet | Yellow-browed Toucanet |
| Aulacorhynchus prasinus | Emerald Toucanet | Emerald Toucanet |
| Aulacorhynchus sulcatus | Groove-billed Toucanet | Groove-billed Toucanet |
| Auriparus flaviceps | Verdin | Verdin |
| Automolus dorsalis | Crested Foliage-gleaner | Crested Foliage-gleaner |
| Automolus infuscatus | Olive-backed Foliage-gleaner | Olive-backed Foliage-gleaner |
| Automolus leucophthalmus | White-eyed Foliage-gleaner | White-eyed Foliage-gleaner |
| Automolus melanopezus | Brown-rumped Foliage-gleaner | Brown-rumped Foliage-gleaner |
| Automolus ochrolaemus | Buff-throated Foliage-gleaner | Buff-throated Foliage-gleaner |
| Automolus roraimae | White-throated Foliage-gleaner | White-throated Foliage-gleaner |
| Automolus rubiginosus | Ruddy Foliage-gleaner | Ruddy Foliage-gleaner |
| Automolus rufipileatus | Chestnut-crowned Foliage-gleaner | Chestnut-crowned Foliage-gleaner |
| Aviceda cuculoides | African Cuckoo Hawk | African Baza |
| Aviceda jerdoni | Jerdon's Baza | Jerdon's Baza |
| Aviceda leuphotes | Black Baza | Black Baza |
| Aviceda madagascariensis | Madagascar Cuckoo Hawk | Madagascar Baza |
| Aviceda subcristata | Crested Baza | Pacific Baza |
| Avocettula recurvirostris | Fiery-tailed Awlbill | Fiery-tailed Awlbill |
| Aythya affinis | Lesser Scaup | Lesser Scaup |
| Aythya americana | Redhead | Redhead |
| Aythya australis | Australian White-eyed Duck | Hardhead |
| Aythya baeri | Baer's Pochard | Baer's Pochard |
| Aythya collaris | Ring-necked Duck | Ring-necked Duck |
| Aythya ferina | Common Pochard | Common Pochard |
| Aythya fuligula | Tufted Duck | Tufted Duck |
| Aythya innotata | Madagascar Pochard | Madagascar Pochard |
| Aythya marila | Greater Scaup | Greater Scaup |
| Aythya novaeseelandiae | New Zealand Scaup | New Zealand Scaup |
| Aythya nyroca | Ferruginous Duck | Ferruginous Pochard |
| Aythya valisineria | Canvasback | Canvasback |
| Babax koslowi | Koslow's Babax | Tibetan Babax |
| Babax lanceolatus | Chinese Babax | Chinese Babax |
| Babax waddelli | Giant Babax | Giant Babax |
| Baeopogon clamans | Sjostedt's Honeyguide Greenbul | White-tailed Greenbul |
| Baeopogon indicator | Honeyguide Greenbul | Honeyguide Greenbul |
| Baillonius bailloni | Saffron Toucanet | Saffron Toucanet |
| Balaeniceps rex | Whale-headed Stork | Shoebill |
| Balearica pavonina | Crowned Crane | Black Crowned-Crane |
| Balearica regulorum | South African Crowned Crane | Grey Crowned-Crane |
| Bambusicola fytchii | Bamboo Partridge | Mountain Bamboo-Partridge |
| Bambusicola thoracica | Chinese Bamboo Partridge | Chinese Bamboo-Partridge |
| Bangsia arcaei | Blue & Gold Tanager | Blue-and-gold Tanager |
| Bangsia aureocincta | Gold-ringed Tanager | Gold-ringed Tanager |
| Bangsia edwardsi | Moss-backed Tanager | Moss-backed Tanager |
| Bangsia melanochlamys | Black & Gold Tanager | Black-and-gold Tanager |
| Bangsia rothschildi | Golden-chested Tanager | Golden-chested Tanager |
| Bartramia longicauda | Upland Sandpiper | Upland Sandpiper |
| Baryphthengus martii | Rufous Motmot | Rufous Motmot |
| Baryphthengus ruficapillus | Rufous-capped Motmot | Rufous-capped Motmot |
| Basileuterus basilicus | Santa Marta Warbler | Santa Marta Warbler |
| Basileuterus belli | Golden-browed Warbler | Golden-browed Warbler |
| Basileuterus bivittatus | Two-banded Warbler | Two-banded Warbler |
| Basileuterus chrysogaster | Golden-bellied Warbler | Golden-bellied Warbler |
| Basileuterus cinereicollis | Grey-throated Warbler | Grey-throated Warbler |
| Basileuterus coronatus | Russet-crowned Warbler | Russet-crowned Warbler |
| Basileuterus culicivorus | Golden-crowned Warbler | Golden-crowned Warbler |
| Basileuterus flaveolus | Flavescent Warbler | Flavescent Warbler |
| Basileuterus fraseri | Grey & Gold Warbler | Grey-and-gold Warbler |
| Basileuterus griseiceps | Grey-headed Warbler | Grey-headed Warbler |
| Basileuterus hypoleucus | White-bellied Warbler | White-bellied Warbler |
| Basileuterus ignotus | Pirre Warbler | Pirre Warbler |
| Basileuterus leucoblepharus | White-browed Warbler | White-browed Warbler |
| Basileuterus leucophrys | White-striped Warbler | White-striped Warbler |
| Basileuterus luteoviridis | Citrine Warbler | Citrine Warbler |
| Basileuterus melanogenys | Black-cheeked Warbler | Black-cheeked Warbler |
| Basileuterus nigrocristatus | Black-crested Warbler | Black-crested Warbler |
| Basileuterus rivularis | River Warbler | Neotropical River Warbler |
| Basileuterus rufifrons | Rufous-capped Warbler | Rufous-capped Warbler |
| Basileuterus signatus | Pale-legged Warbler | Pale-legged Warbler |
| Basileuterus trifasciatus | Three-banded Warbler | Three-banded Warbler |
| Basileuterus tristriatus | Three-striped Warbler | Three-striped Warbler |
| Basilornis celebensis | Sulawesi King Starling | Sulawesi Myna |
| Basilornis corythaix | Seram King Starling | Long-crested Myna |
| Basilornis galeatus | Greater King Starling | Helmeted Myna |
| Basilornis miranda | Mount Apo King Starling | Apo Myna |
| Batara cinerea | Giant Antshrike | Giant Antshrike |
| Bathmocercus cerviniventris | Black-capped Rufous Warbler | Black-capped Rufous Warbler |
| Bathmocercus rufus | Black-faced Rufous Warbler | Black-faced Rufous Warbler |
| Batis capensis | Cape Puff-back Flycatcher | Cape Batis |
| Batis dimorpha | Malawi Puff-back Flycatcher | Malawi Batis |
| Batis diops | Ruwenzori Puff-back Flycatcher | Ruwenzori Batis |
| Batis fratrum | Zululand Puff-back Flycatcher | Zululand Batis |
| Batis ituriensis | Chapin's Puff-back Flycatcher | Ituri Batis |
| Batis margaritae | Boulton's Puff-back Flycatcher | Boulton's Batis |
| Batis minima | Verreaux's Puff-back Flycatcher | Verreaux's Batis |
| Batis minor | Black-headed Puff-back Flycatcher | Black-headed Batis |
| Batis minulla | Angola Puff-back Flycatcher | Angola Batis |
| Batis mixta | Short-tailed Puff-back Flycatcher | Short-tailed Batis |
| Batis molitor | Chin Spot Puff-back Flycatcher | Chinspot Batis |
| Batis orientalis | Grey-headed Puff-back Flycatcher | Grey-headed Batis |
| Batis perkeo | Pygmy Puff-back Flycatcher | Pygmy Batis |
| Batis poensis | Fernando Po Puff-back Flycatcher | Fernando Po Batis |
| Batis senegalensis | Senegal Puff-back Flycatcher | Senegal Batis |
| Batis soror | Paler Chin Spot Puff-back Flycatcher | Pale Batis |
| Batrachostomus affinis | Blyth's Frogmouth | Blyth's Frogmouth |
| Batrachostomus auritus | Large Frogmouth | Large Frogmouth |
| Batrachostomus cornutus | Bornean Frogmouth | Sunda Frogmouth |
| Batrachostomus harterti | Dulit Frogmouth | Dulit Frogmouth |
| Batrachostomus hodgsoni | Hodgson's Frogmouth | Hodgson's Frogmouth |
| Batrachostomus javensis | Javan Frogmouth | Javan Frogmouth |
| Batrachostomus mixtus | Sharpe's Frogmouth | Bornean Frogmouth |
| Batrachostomus moniliger | Ceylon Frogmouth | Ceylon Frogmouth |
| Batrachostomus poliolophus | Pale-headed Frogmouth | Short-tailed Frogmouth |
| Batrachostomus septimus | Philippine Frogmouth | Philippine Frogmouth |
| Batrachostomus stellatus | Gould's Frogmouth | Gould's Frogmouth |
| Bebrornis rodericanus | Rodriguez Brush Warbler | Rodriguez Brush-Warbler |
| Bebrornis sechellensis | Seychelles Brush Warbler | Seychelles Brush-Warbler |
| Berlepschia rikeri | Point-tailed Palmcreeper | Point-tailed Palmcreeper |
| Bias flammulatus | African Shrike Flycatcher | African Shrike-flycatcher |
| Bias musicus | Black & White Flycatcher | Black-and-white Shrike-flycatcher |
| Biatas nigropectus | White-bearded Antshrike | White-bearded Antshrike |
| Biziura lobata | Musk Duck | Musk Duck |
| Bleda canicapilla | Grey-headed Bristle-Bill | Grey-headed Bristlebill |
| Bleda eximia | Green-tailed Bristle-Bill | Green-tailed Bristlebill |
| Bleda syndactyla | Common Bristle-Bill | Common Bristlebill |
| Blythipicus pyrrhotis | Bay Woodpecker | Bay Woodpecker |
| Blythipicus rubiginosus | Maroon Woodpecker | Maroon Woodpecker |
| Boissonneaua flavescens | Buff-tailed Coronet | Buff-tailed Coronet |
| Boissonneaua jardini | Velvet-Purple Coronet | Velvet-purple Coronet |
| Boissonneaua matthewsii | Chestnut-breasted Coronet | Chestnut-breasted Coronet |
| Bolbopsittacus lunulatus | Guaiabero | Guaiabero |
| Bolborhynchus aurifrons | Mountain Parakeet | Mountain Parakeet |
| Bolborhynchus aymara | Sierra Parakeet | Grey-hooded Parakeet |
| Bolborhynchus ferrugineifrons | Rufous-fronted Parakeet | Rufous-fronted Parakeet |
| Bolborhynchus lineola | Barred Parakeet | Barred Parakeet |
| Bolborhynchus orbygnesius | Andean Parakeet | Andean Parakeet |
| Bombycilla cedrorum | Cedar Waxwing | Cedar Waxwing |
| Bombycilla garrulus | Bohemian Waxwing | Bohemian Waxwing |
| Bombycilla japonica | Japanese Waxwing | Japanese Waxwing |
| Bonasa bonasia | Hazel Grouse | Hazel Grouse |
| Bonasa sewerzowi | Severtzov's Hazel Grouse | Chinese Grouse |
| Bonasa umbellus | Ruffed Grouse | Ruffed Grouse |
| Bostrychia carunculata | Wattled Ibis | Wattled Ibis |
| Botaurus lentiginosus | American Bittern | American Bittern |
| Botaurus pinnatus | Pinnated Bittern | Pinnated Bittern |
| Botaurus poiciloptilus | Australian Bittern | Australasian Bittern |
| Botaurus stellaris | Eurasian Bittern | Great Bittern |
| Brachycope anomala | Bob-tailed Weaver | Bob-tailed Weaver |
| Brachygalba albogularis | White-throated Jacamar | White-throated Jacamar |
| Brachygalba goeringi | Pale-headed Jacamar | Pale-headed Jacamar |
| Brachygalba lugubris | Brown Jacamar | Brown Jacamar |
| Brachygalba salmoni | Dusky-backed Jacamar | Dusky-backed Jacamar |
| Brachypteracias leptosomus | Short-legged Ground Roller | Short-legged Ground-Roller |
| Brachypteracias squamigera | Scaly Ground Roller | Scaly Ground-Roller |
| Brachypteryx hyperythra | Rusty-bellied Shortwing | Rusty-bellied Shortwing |
| Brachypteryx leucophrys | Lesser Shortwing | Lesser Shortwing |
| Brachypteryx major | White-bellied Shortwing | White-bellied Shortwing |
| Brachypteryx montana | Blue Shortwing | White-browed Shortwing |
| Brachypteryx stellata | Gould's Shortwing | Gould's Shortwing |
| Brachyramphus brevirostris | Kittlitz's Murrelet | Kittlitz's Murrelet |
| Brachyramphus marmoratus | Marbled Murrelet | Marbled Murrelet |
| Bradypterus accentor | Kinabalu Scrub Warbler | Friendly Bush-Warbler |
| Bradypterus alfredi | Bamboo Warbler | Bamboo Scrub-Warbler |
| Bradypterus barratti | Scrub Warbler | African Scrub-Warbler |
| Bradypterus carpalis | White-winged Warbler | White-winged Scrub-Warbler |
| Bradypterus castaneus | Chestnut-backed Bush Warbler | Chestnut-backed Bush-Warbler |
| Bradypterus caudatus | Long-tailed Ground Warbler | Long-tailed Bush-Warbler |
| Bradypterus cinnamomeus | Cinnamon Bracken Warbler | Cinnamon Bracken-Warbler |
| Bradypterus grandis | Ja River Warbler | Ja River Scrub-Warbler |
| Bradypterus graueri | Grauer's Warbler | Grauer's Scrub-Warbler |
| Bradypterus lopezi | Lopez' Warbler | Cameroon Scrub-Warbler |
| Bradypterus luteoventris | Brown Bush Warbler | Brown Bush-Warbler |
| Bradypterus major | Large-billed Bush Warbler | Long-billed Bush-Warbler |
| Bradypterus mariae | Evergreen Forest Warbler | Evergreen Forest Warbler |
| Bradypterus palliseri | Palliser's Warbler | Ceylon Bush-Warbler |
| Bradypterus seebohmi | Mountain Scrub Warbler | Russet Bush-Warbler |
| Bradypterus sylvaticus | Knysna Scrub Warbler | Knysna Scrub-Warbler |
| Bradypterus tacsanowskius | Chinese Bush Warbler | Chinese Bush-Warbler |
| Bradypterus thoracicus | Spotted Bush Warbler | Spotted Bush-Warbler |
| Bradypterus victorini | Victorin's Scrub Warbler | Victorin's Scrub-Warbler |
| Branta bernicla | Brent Goose | Brent Goose |
| Branta canadensis | Canada Goose | Canada Goose |
| Branta leucopsis | Barnacle Goose | Barnacle Goose |
| Branta ruficollis | Red-breasted Goose | Red-breasted Goose |
| Branta sandvicensis | Hawaiian Goose | Nene |
| Brotogeris chrysopterus | Golden-winged Parakeet | Golden-winged Parakeet |
| Brotogeris cyanoptera | Cobalt-winged Parakeet | Cobalt-winged Parakeet |
| Brotogeris jugularis | Orange-chinned Parakeet | Orange-chinned Parakeet |
| Brotogeris pyrrhopterus | Grey-cheeked Parakeet | Grey-cheeked Parakeet |
| Brotogeris sanctithomae | Tui Parakeet | Tui Parakeet |
| Brotogeris tirica | Plain Parakeet | Plain Parakeet |
| Brotogeris versicolurus | Canary-winged Parakeet | Canary-winged Parakeet |
| Bubalornis albirostris | White-billed Buffalo Weaver | White-billed Buffalo-Weaver |
| Bubalornis niger | Red-billed Buffalo Weaver | Red-billed Buffalo-Weaver |
| Bubo africanus | Spotted Eagle Owl | Spotted Eagle-Owl |
| Bubo ascalaphus | Desert Eagle Owl | Pharaoh Eagle-Owl |
| Bubo bengalensis | Indian Eagle Owl | Rock Eagle-Owl |
| Bubo bubo | Northern Eagle Owl | Eurasian Eagle-Owl |
| Bubo capensis | Cape Eagle Owl | Cape Eagle-Owl |
| Bubo coromandus | Dusky Eagle Owl | Dusky Eagle-Owl |
| Bubo lacteus | Verreaux's Eagle Owl | Verreaux's Eagle-Owl |
| Bubo leucostictus | Akun Eagle Owl | Akun Eagle-Owl |
| Bubo nipalensis | Forest Eagle Owl | Spot-bellied Eagle-Owl |
| Bubo philippensis | Philippine Eagle Owl | Philippine Eagle-Owl |
| Bubo poensis | Fraser's Eagle Owl | Fraser's Eagle-Owl |
| Bubo shelleyi | Shelley's Eagle Owl | Shelley's Eagle-Owl |
| Bubo virginianus | Great Horned Owl | Great Horned Owl |
| Bubo vosseleri | Usambara Eagle Owl | Nduk Eagle-Owl |
| Bubulcus ibis | Cattle Egret | Cattle Egret |
| Buccanodon duchaillui | Yellow-spotted Barbet | Yellow-spotted Barbet |
| Bucco capensis | Collared Puffbird | Collared Puffbird |
| Bucco macrodactylus | Chestnut-capped Puffbird | Chestnut-capped Puffbird |
| Bucco noanamae | Sooty-capped Puffbird | Sooty-capped Puffbird |
| Bucco tamatia | Spotted Puffbird | Spotted Puffbird |
| Bucephala albeola | Bufflehead | Bufflehead |
| Bucephala clangula | Common Goldeneye | Common Goldeneye |
| Bucephala islandica | Barrow's Goldeneye | Barrow's Goldeneye |
| Buceros bicornis | Great Indian Hornbill | Great Hornbill |
| Buceros hydrocorax | Rufous Hornbill | Rufous Hornbill |
| Buceros rhinoceros | Rhinoceros Hornbill | Rhinoceros Hornbill |
| Bucorvus abyssinicus | Abyssinian Ground Hornbill | Abyssinian Ground-Hornbill |
| Bulweria bulwerii | Bulwer's Petrel | Bulwer's Petrel |
| Bulweria fallax | Jouanin's Petrel | Jouanin's Petrel |
| Buphagus africanus | Yellow-billed Oxpecker | Yellow-billed Oxpecker |
| Buphagus erythrorhynchus | Red-billed Oxpecker | Red-billed Oxpecker |
| Burhinus bistriatus | Double-striped Stone-Curlew | Double-striped Thick-knee |
| Burhinus capensis | Cape Dikkop | Spotted Thick-knee |
| Burhinus oedicnemus | Stone-Curlew | Eurasian Thick-knee |
| Burhinus senegalensis | Senegal Stone-Curlew | Senegal Thick-knee |
| Burhinus superciliaris | Peruvian Stone-Curlew | Peruvian Thick-knee |
| Burhinus vermiculatus | Water Dikkop | Water Thick-knee |
| Busarellus nigricollis | Black-collared Hawk | Black-collared Hawk |
| Butastur indicus | Grey-faced Buzzard-Eagle | Grey-faced Buzzard |
| Butastur liventer | Rufous-winged Buzzard | Rufous-winged Buzzard |
| Butastur rufipennis | Grasshopper Buzzard-Eagle | Grasshopper Buzzard |
| Butastur teesa | White-eyed Buzzard | White-eyed Buzzard |
| Buteo albicaudatus | White-tailed Hawk | White-tailed Hawk |
| Buteo albigula | White-throated Hawk | White-throated Hawk |
| Buteo albonotatus | Zone-tailed Hawk | Zone-tailed Hawk |
| Buteo augur | Augur Buzzard | Augur Buzzard |
| Buteo auguralis | African Red-tailed Buzzard | Red-necked Buzzard |
| Buteo brachypterus | Madagascar Buzzard | Madagascar Buzzard |
| Buteo brachyurus | Short-tailed Hawk | Short-tailed Hawk |
| Buteo buteo | Eurasian Buzzard | Common Buzzard |
| Buteo galapagoensis | Galapagos Hawk | Galapagos Hawk |
| Buteo hemilasius | Upland Buzzard | Upland Buzzard |
| Buteo jamaicensis | Red-tailed Hawk | Red-tailed Hawk |
| Buteo lagopus | Rough-legged Buzzard | Rough-legged Hawk |
| Buteo leucorrhous | White-rumped Hawk | White-rumped Hawk |
| Buteo lineatus | Red-shouldered Hawk | Red-shouldered Hawk |
| Buteo magnirostris | Roadside Hawk | Roadside Hawk |
| Buteo oreophilus | African Mountain Buzzard | Mountain Buzzard |
| Buteo platypterus | Broad-winged Hawk | Broad-winged Hawk |
| Buteo poecilochrous | Variable Hawk | Puna Hawk |
| Buteo polyosoma | Red-backed Hawk | Red-backed Hawk |
| Buteo regalis | Ferruginous Hawk | Ferruginous Hawk |
| Buteo ridgwayi | Ridgway's Hawk | Ridgway's Hawk |
| Buteo rufinus | Long-legged Buzzard | Long-legged Buzzard |
| Buteo rufofuscus | Jackal Buzzard | Jackal Buzzard |
| Buteo solitarius | Hawaiian Hawk | Hawaiian Hawk |
| Buteo ventralis | Rufous-tailed Hawk | Rufous-tailed Hawk |
| Buteogallus aequinoctialis | Rufous Crab Hawk | Rufous Crab-Hawk |
| Buteogallus anthracinus | Common Black Hawk | Common Black-Hawk |
| Buteogallus meridionalis | Savannah Hawk | Savanna Hawk |
| Buteogallus subtilis | Mangrove Black Hawk | Mangrove Black-Hawk |
| Buteogallus urubitinga | Great Black Hawk | Great Black-Hawk |
| Buthraupis aureodorsalis | Golden-backed Mountain Tanager | Golden-backed Mountain-Tanager |
| Buthraupis eximia | Black-chested Mountain Tanager | Black-chested Mountain-Tanager |
| Buthraupis montana | Hooded Mountain Tanager | Hooded Mountain-Tanager |
| Buthraupis wetmorei | Masked Mountain Tanager | Masked Mountain-Tanager |
| Butorides striatus | Green-backed Heron | Striated Heron |
| Cacatua alba | White Cockatoo | White Cockatoo |
| Cacatua ducorpsii | Ducorps's Cockatoo | Ducorps's Cockatoo |
| Cacatua galerita | Sulphur-crested Cockatoo | Sulphur-crested Cockatoo |
| Cacatua goffini | Goffin's Cockatoo | Tanimbar Cockatoo |
| Cacatua haematuropygia | Red-vented Cockatoo | Philippine Cockatoo |
| Cacatua leadbeateri | Major Mitchell's Cockatoo | Pink Cockatoo |
| Cacatua moluccensis | Salmon-crested Cockatoo | Salmon-crested Cockatoo |
| Cacatua ophthalmica | Blue-eyed Cockatoo | Blue-eyed Cockatoo |
| Cacatua pastinator | Eastern Long-billed Corella | Western Corella |
| Cacatua sanguinea | Little Corella | Little Corella |
| Cacatua sulphurea | Lesser Sulphur-crested Cockatoo | Yellow-crested Cockatoo |
| Cacatua tenuirostris | Long-billed Corella | Long-billed Corella |
| Cacicus cela | Yellow-rumped Cacique | Yellow-rumped Cacique |
| Cacicus chrysopterus | Golden-winged Cacique | Golden-winged Cacique |
| Cacicus haemorrhous | Red-rumped Cacique | Red-rumped Cacique |
| Cacicus koepckeae | Selva Cacique | Selva Cacique |
| Cacicus melanicterus | Yellow-winged Cacique | Yellow-winged Cacique |
| Cacicus sclateri | Ecuadorian Black Cacique | Ecuadorian Cacique |
| Cacicus solitarius | Solitary Cacique | Solitary Cacique |
| Cacicus uropygialis | Scarlet-rumped Cacique | Scarlet-rumped Cacique |
| Cacomantis castaneiventris | Chestnut-breasted Cuckoo | Chestnut-breasted Cuckoo |
| Cacomantis heinrichi | Heinrich's Brush Cuckoo | Moluccan Cuckoo |
| Cacomantis merulinus | Plaintive Cuckoo | Plaintive Cuckoo |
| Cacomantis sepulcralis | Indonesian Cuckoo | Rusty-breasted Cuckoo |
| Cacomantis variolosus | Brush Cuckoo | Brush Cuckoo |
| Cairina moschata | Muscovy Duck | Muscovy Duck |
| Cairina scutulata | White-winged Wood Duck | White-winged Duck |
| Calamanthus campestris | Rufous Field Wren | Rufous Calamanthus |
| Calamanthus fuliginosus | Striated Field Wren | Striated Calamanthus |
| Calamonastes simplex | Grey Wren Warbler | Grey Wren-Warbler |
| Calamonastes stierlingi | Stierling's Wren Warbler | Stierling's Wren-Warbler |
| Calamospiza melanocorys | Lark Bunting | Lark Bunting |
| Calandrella acutirostris | Hume's Short-toed Lark | Hume's Lark |
| Calandrella blanfordi | Blanford's Lark | Blanford's Lark |
| Calandrella brachydactyla | Greater Short-toed Lark | Greater Short-toed Lark |
| Calandrella cheleensis | Mongolian Short-toed Lark | Asian Short-toed Lark |
| Calandrella cinerea | Red-capped Lark | Red-capped Lark |
| Calandrella raytal | Indian Sand Lark | Indian Short-toed Lark |
| Calandrella rufescens | Lesser Short-toed Lark | Lesser Short-toed Lark |
| Calandrella somalica | Somali Short-toed Lark | Rufous Short-toed Lark |
| Calcarius lapponicus | Lapland Bunting | Lapland Longspur |
| Calcarius mccownii | McCown's Longspur | McCown's Longspur |
| Calcarius ornatus | Chestnut-coloured Longspur | Chestnut-collared Longspur |
| Calcarius pictus | Smith's Longspur | Smith's Longspur |
| Calicalicus madagascariensis | Red-tailed Vanga | Red-tailed Vanga |
| Calidris acuminata | Sharp-tailed Sandpiper | Sharp-tailed Sandpiper |
| Calidris alba | Sanderling | Sanderling |
| Calidris alpina | Dunlin | Dunlin |
| Calidris bairdii | Baird's Sandpiper | Baird's Sandpiper |
| Calidris canutus | Red Knot | Red Knot |
| Calidris ferruginea | Curlew Sandpiper | Curlew Sandpiper |
| Calidris fuscicollis | White-rumped Sandpiper | White-rumped Sandpiper |
| Calidris maritima | Purple Sandpiper | Purple Sandpiper |
| Calidris mauri | Western Sandpiper | Western Sandpiper |
| Calidris melanotos | Pectoral Sandpiper | Pectoral Sandpiper |
| Calidris minuta | Little Stint | Little Stint |
| Calidris minutilla | Least Sandpiper | Least Sandpiper |
| Calidris ptilocnemis | Rock Sandpiper | Rock Sandpiper |
| Calidris pusilla | Semipalmated Sandpiper | Semipalmated Sandpiper |
| Calidris ruficollis | Rufous-necked Stint | Rufous-necked Stint |
| Calidris subminuta | Long-toed Stint | Long-toed Stint |
| Calidris temminckii | Temminck's Stint | Temminck's Stint |
| Calidris tenuirostris | Great Knot | Great Knot |
| Caliechthrus leucolophus | White-crowned Koel | White-crowned Koel |
| Callacanthis burtoni | Red-browed Rosefinch | Spectacled Finch |
| Callaeas cinerea | Kokako | Kokako |
| Callipepla squamata | Scaled Quail | Scaled Quail |
| Calliphlox amethystina | Amethyst Woodstar | Amethyst Woodstar |
| Callocephalon fimbriatum | Gang-gang Cockatoo | Gang-gang Cockatoo |
| Callonetta leucophrys | Ringed Teal | Ringed Teal |
| Calochaetes coccineus | Vermilion Tanager | Vermilion Tanager |
| Calocitta colliei | Collie's Magpie-Jay | Black-throated Magpie-Jay |
| Calocitta formosa | White-throated Magpie-Jay | White-throated Magpie-Jay |
| Caloenas nicobarica | Nicobar Pigeon | Nicobar Pigeon |
| Calonectris diomedea | Cory's Shearwater | Cory's Shearwater |
| Calonectris leucomelas | White-faced Shearwater | Streaked Shearwater |
| Caloperdix oculea | Ferruginous Wood Partridge | Ferruginous Partridge |
| Calorhamphus fuliginosus | Brown Barbet | Brown Barbet |
| Calothorax lucifer | Lucifer Hummingbird | Lucifer Hummingbird |
| Calothorax pulcher | Beautiful Hummingbird | Beautiful Hummingbird |
| Calypte anna | Anna's Hummingbird | Anna's Hummingbird |
| Calypte costae | Costa's Hummingbird | Costa's Hummingbird |
| Calyptocichla serina | Golden Greenbul | Golden Greenbul |
| Calyptomena hosii | Magnificent Green Broadbill | Hose's Broadbill |
| Calyptomena viridis | Lesser Green Broadbill | Green Broadbill |
| Calyptomena whiteheadi | Black-throated Green Broadbill | Whitehead's Broadbill |
| Calyptophilus frugivorus | Chat-Tanager | Chat Tanager |
| Calyptorhynchus funereus | Black Cockatoo | Yellow-tailed Black-Cockatoo |
| Calyptorhynchus lathami | Glossy Cockatoo | Glossy Black-Cockatoo |
| Calyptura cristata | Kinglet Calyptura | Kinglet Calyptura |
| Camarhynchus crassirostris | Vegetarian Tree Finch | Vegetarian Finch |
| Camarhynchus heliobates | Mangrove Finch | Mangrove Finch |
| Camarhynchus pallidus | Woodpecker Finch | Woodpecker Finch |
| Camarhynchus parvulus | Small Insectivorous Tree Finch | Small Tree-Finch |
| Camarhynchus pauper | Charles Insectivorous Tree Finch | Medium Tree-Finch |
| Camarhynchus psittacula | Large Insectivorous Tree Finch | Large Tree-Finch |
| Camaroptera brachyura | Green-backed Camaroptera | Green-backed Camaroptera |
| Camaroptera brevicaudata | Grey-backed Camaroptera | Grey-backed Camaroptera |
| Camaroptera chloronota | Olive-green Camaroptera | Olive-green Camaroptera |
| Camaroptera harterti | Hartert's Camaroptera | Hartert's Camaroptera |
| Camaroptera superciliaris | Yellow-browed Camaroptera | Yellow-browed Camaroptera |
| Campephaga flava | African Black Cuckoo Shrike | Black Cuckoo-shrike |
| Campephaga lobata | Western Wattled Cuckoo Shrike | Ghana Cuckoo-shrike |
| Campephaga oriolina | Eastern Wattled Cuckoo Shrike | Oriole Cuckoo-shrike |
| Campephaga petiti | Petit's Cuckoo Shrike | Petit's Cuckoo-shrike |
| Campephaga phoenicea | Red-shouldered Cuckoo Shrike | Red-shouldered Cuckoo-shrike |
| Campephaga quiscalina | Purple-throated Cuckoo Shrike | Purple-throated Cuckoo-shrike |
| Campephilus gayaquilensis | Guayaquil Woodpecker | Guayaquil Woodpecker |
| Campephilus guatemalensis | Pale-billed Woodpecker | Pale-billed Woodpecker |
| Campephilus haematogaster | Crimson-bellied Woodpecker | Crimson-bellied Woodpecker |
| Campephilus imperialis | Imperial Woodpecker | Imperial Woodpecker |
| Campephilus leucopogon | Cream-backed Woodpecker | Cream-backed Woodpecker |
| Campephilus magellanicus | Magellanic Woodpecker | Magellanic Woodpecker |
| Campephilus melanoleucos | Crimson-crested Woodpecker | Crimson-crested Woodpecker |
| Campephilus pollens | Powerful Woodpecker | Powerful Woodpecker |
| Campephilus principalis | Ivory-billed Woodpecker | Ivory-billed Woodpecker |
| Campephilus robustus | Robust Woodpecker | Robust Woodpecker |
| Campephilus rubricollis | Red-necked Woodpecker | Red-necked Woodpecker |
| Campethera abingoni | Golden-tailed Woodpecker | Golden-tailed Woodpecker |
| Campethera bennettii | Bennett's Woodpecker | Bennett's Woodpecker |
| Campethera cailliautii | Green-backed Woodpecker | Green-backed Woodpecker |
| Campethera caroli | Brown-eared Woodpecker | Brown-eared Woodpecker |
| Campethera maculosa | Little Green Woodpecker | Little Green Woodpecker |
| Campethera nivosa | Buff-spotted Woodpecker | Buff-spotted Woodpecker |
| Campethera notata | Knysna Woodpecker | Knysna Woodpecker |
| Campethera nubica | Nubian Woodpecker | Nubian Woodpecker |
| Campethera punctuligera | Fine-spotted Woodpecker | Fine-spotted Woodpecker |
| Campethera tullbergi | Tullberg's Woodpecker | Tullberg's Woodpecker |
| Campochaera sloetii | Orange Cuckoo Shrike | Golden Cuckooshrike |
| Camptostoma imberbe | Northern Beardless Tyrannulet | Northern Beardless-Tyrannulet |
| Camptostoma obsoletum | Southern Beardless Tyrannulet | Southern Beardless-Tyrannulet |
| Campylopterus curvipennis | Wedge-tailed Sabrewing | Wedge-tailed Sabrewing |
| Campylopterus duidae | Buff-breasted Sabrewing | Buff-breasted Sabrewing |
| Campylopterus ensipennis | White-tailed Sabrewing | White-tailed Sabrewing |
| Campylopterus excellens | Long-tailed Sabrewing | Long-tailed Sabrewing |
| Campylopterus falcatus | Lazuline Sabrewing | Lazuline Sabrewing |
| Campylopterus hemileucurus | Violet Sabrewing | Violet Sabrewing |
| Campylopterus hyperythrus | Rufous-breasted Sabrewing | Rufous-breasted Sabrewing |
| Campylopterus largipennis | Grey-breasted Sabrewing | Grey-breasted Sabrewing |
| Campylopterus phainopeplus | Santa Marta Sabrewing | Santa Marta Sabrewing |
| Campylopterus rufus | Rufous Sabrewing | Rufous Sabrewing |
| Campylopterus villaviscensio | Napo Sabrewing | Napo Sabrewing |
| Campylorhamphus falcularius | Black-billed Scythebill | Black-billed Scythebill |
| Campylorhamphus procurvoides | Curve-billed Scythebill | Curve-billed Scythebill |
| Campylorhamphus pusillus | Brown-billed Scythebill | Brown-billed Scythebill |
| Campylorhamphus trochilirostris | Red-billed Scythebill | Red-billed Scythebill |
| Campylorhynchus albobrunneus | White-headed Wren | White-headed Wren |
| Campylorhynchus brunneicapillus | Cactus-Wren | Cactus Wren |
| Campylorhynchus chiapensis | Giant Wren | Giant Wren |
| Campylorhynchus fasciatus | Fasciated Wren | Fasciated Wren |
| Campylorhynchus griseus | Bicoloured Wren | Bicolored Wren |
| Campylorhynchus gularis | Spotted Wren | Spotted Wren |
| Campylorhynchus jocosus | Boucard's Wren | Boucard's Wren |
| Campylorhynchus megalopterus | Grey-barred Wren | Grey-barred Wren |
| Campylorhynchus nuchalis | Stripe-backed Wren | Stripe-backed Wren |
| Campylorhynchus rufinucha | Rufous-naped Wren | Rufous-naped Wren |
| Campylorhynchus turdinus | Thrush-like Wren | Thrush-like Wren |
| Campylorhynchus yucatanicus | Yucatan Cactus-Wren | Yucatan Wren |
| Campylorhynchus zonatus | Banded-backed Wren | Band-backed Wren |
| Canirallus kioloides | Madagascar Grey-throated Rail | Kioloides Rail |
| Canirallus oculeus | Grey-throated Rail | Grey-throated Rail |
| Capito aurovirens | Scarlet-crowned Barbet | Scarlet-crowned Barbet |
| Capito dayi | Black-girdled Barbet | Black-girdled Barbet |
| Capito hypoleucus | White-mantled Barbet | White-mantled Barbet |
| Capito maculicoronatus | Spot-crowned Barbet | Spot-crowned Barbet |
| Capito niger | Black-spotted Barbet | Black-spotted Barbet |
| Capito quinticolor | Five-coloured Barbet | Five-colored Barbet |
| Capito squamatus | Orange-fronted Barbet | Orange-fronted Barbet |
| Caprimulgus aegyptius | Egyptian Nightjar | Egyptian Nightjar |
| Caprimulgus affinis | Allied Nightjar | Savanna Nightjar |
| Caprimulgus asiaticus | Indian Nightjar | Indian Nightjar |
| Caprimulgus atripennis | Indian Long-tailed Nightjar | Jerdon's Nightjar |
| Caprimulgus badius | Yucatan Tawny-collared Nightjar | Yucatan Nightjar |
| Caprimulgus batesi | Bates's Nightjar | Bates's Nightjar |
| Caprimulgus candicans | White-winged Nightjar | White-winged Nightjar |
| Caprimulgus carolinensis | Chuck Will's Widow | Chuck-will's-widow |
| Caprimulgus cayennensis | White-tailed Nightjar | White-tailed Nightjar |
| Caprimulgus centralasicus | Vaurie's Nightjar | Vaurie's Nightjar |
| Caprimulgus concretus | Bonaparte's Nightjar | Bonaparte's Nightjar |
| Caprimulgus cubanensis | Greater Antillean Nightjar | Greater Antillean Nightjar |
| Caprimulgus donaldsoni | Donaldson Smith's Nightjar | Donaldson-Smith's Nightjar |
| Caprimulgus enarratus | Collared Nightjar | Collared Nightjar |
| Caprimulgus europaeus | European Nightjar | Eurasian Nightjar |
| Caprimulgus eximius | Golden Nightjar | Golden Nightjar |
| Caprimulgus fraenatus | Sombre Nightjar | Sombre Nightjar |
| Caprimulgus hirundinaceus | Pygmy Nightjar | Pygmy Nightjar |
| Caprimulgus indicus | Jungle Nightjar | Grey Nightjar |
| Caprimulgus inornatus | Plain Nightjar | Plain Nightjar |
| Caprimulgus longirostris | Band-winged Nightjar | Band-winged Nightjar |
| Caprimulgus macrurus | Long-tailed Nightjar | Large-tailed Nightjar |
| Caprimulgus maculicaudus | Spot-tailed Nightjar | Spot-tailed Nightjar |
| Caprimulgus maculosus | Cayenne Nightjar | Cayenne Nightjar |
| Caprimulgus madagascariensis | Madagascar Nightjar | Madagascar Nightjar |
| Caprimulgus mahrattensis | Sykes's Nightjar | Sykes's Nightjar |
| Caprimulgus manillensis | Philippine Nightjar | Philippine Nightjar |
| Caprimulgus natalensis | African White-tailed Nightjar | Swamp Nightjar |
| Caprimulgus nigrescens | Blackish Nightjar | Blackish Nightjar |
| Caprimulgus nigriscapularis | Black-shouldered Nightjar | Black-shouldered Nightjar |
| Caprimulgus noctitherus | Puerto Rican Nightjar | Puerto Rican Nightjar |
| Caprimulgus nubicus | Nubian Nightjar | Nubian Nightjar |
| Caprimulgus parvulus | Little Nightjar | Little Nightjar |
| Caprimulgus pectoralis | African Dusky Nightjar | Fiery-necked Nightjar |
| Caprimulgus poliocephalus | Abyssinian Nightjar | Montane Nightjar |
| Caprimulgus prigoginei | Prigogine's Nightjar | Itombwe Nightjar |
| Caprimulgus pulchellus | Salvadori's Nightjar | Salvadori's Nightjar |
| Caprimulgus ridgwayi | Ridgway's Whippoorwill | Buff-collared Nightjar |
| Caprimulgus ruficollis | Red-necked Nightjar | Red-necked Nightjar |
| Caprimulgus rufigena | Rufous-cheeked Nightjar | Rufous-cheeked Nightjar |
| Caprimulgus rufus | Rufus Nightjar | Rufous Nightjar |
| Caprimulgus ruwenzorii | Ruwenzori Nightjar | Ruwenzori Nightjar |
| Caprimulgus salvini | Tawny-collared Nightjar | Tawny-collared Nightjar |
| Caprimulgus saturatus | Dusky Nightjar | Dusky Nightjar |
| Caprimulgus sericocaudatus | Silky-tailed Nightjar | Silky-tailed Nightjar |
| Caprimulgus stellatus | Star-spotted Nightjar | Star-spotted Nightjar |
| Caprimulgus tristigma | Freckled Nightjar | Freckled Nightjar |
| Caprimulgus vociferus | Whippoorwill | Whip-poor-will |
| Caprimulgus whitelyi | Roraiman Nightjar | Roraiman Nightjar |
| Cardellina rubrifrons | Red-faced Warbler | Red-faced Warbler |
| Cardinalis cardinalis | Common Cardinal | Northern Cardinal |
| Carduelis ambigua | Yunnan Greenfinch | Black-headed Greenfinch |
| Carduelis atrata | Black Siskin | Black Siskin |
| Carduelis atriceps | Black-capped Siskin | Black-capped Siskin |
| Carduelis barbata | Black-chinned Siskin | Black-chinned Siskin |
| Carduelis carduelis | Eurasian Goldfinch | European Goldfinch |
| Carduelis chloris | Western Greenfinch | European Greenfinch |
| Carduelis crassirostris | Thick-billed Siskin | Thick-billed Siskin |
| Carduelis cucullata | Red Siskin | Red Siskin |
| Carduelis dominicensis | Antillean Siskin | Antillean Siskin |
| Carduelis lawrencei | Lawrence's Goldfinch | Lawrence's Goldfinch |
| Carduelis magellanica | Hooded Siskin | Hooded Siskin |
| Carduelis notata | Black-headed Siskin | Black-headed Siskin |
| Carduelis olivacea | Olivaceous Siskin | Olivaceous Siskin |
| Carduelis pinus | Pine Siskin | Pine Siskin |
| Carduelis psaltria | Dark-backed Goldfinch | Lesser Goldfinch |
| Carduelis siemiradzkii | Saffron Siskin | Saffron Siskin |
| Carduelis sinica | Oriental Greenfinch | Grey-capped Greenfinch |
| Carduelis spinescens | Andean Siskin | Andean Siskin |
| Carduelis spinoides | Black-headed Greenfinch | Yellow-breasted Greenfinch |
| Carduelis spinus | Spruce Siskin | Eurasian Siskin |
| Carduelis tristis | American Goldfinch | American Goldfinch |
| Carduelis uropygialis | Yellow-rumped Siskin | Yellow-rumped Siskin |
| Carduelis xanthogastra | Yellow-bellied Siskin | Yellow-bellied Siskin |
| Carduelis yarrellii | Yellow-faced Siskin | Yellow-faced Siskin |
| Cariama cristata | Red-legged Seriema | Red-legged Seriema |
| Carpococcyx radiceus | Ground Cuckoo | Sunda Ground-Cuckoo |
| Carpococcyx renauldi | Coral-billed Ground Cuckoo | Coral-billed Ground-Cuckoo |
| Carpodacus cassinii | Cassin's Finch | Cassin's Finch |
| Carpodacus edwardsii | Large Rosefinch | Dark-rumped Rosefinch |
| Carpodacus eos | Stresemann's Rosefinch | Pink-rumped Rosefinch |
| Carpodacus erythrinus | Common Rosefinch | Common Rosefinch |
| Carpodacus mexicanus | House Finch | House Finch |
| Carpodacus nipalensis | Dark Rosefinch | Dark-breasted Rosefinch |
| Carpodacus pulcherrimus | Beautiful Rosefinch | Beautiful Rosefinch |
| Carpodacus puniceus | Rose-breasted Rosefinch | Red-fronted Rosefinch |
| Carpodacus purpureus | Purple Finch | Purple Finch |
| Carpodacus rhodochlamys | Red-mantled Rosefinch | Red-mantled Rosefinch |
| Carpodacus roborowskii | Tibet Rosefinch | Tibetan Rosefinch |
| Carpodacus rodochrous | Pink-browed Rosefinch | Pink-browed Rosefinch |
| Carpodacus rodopeplus | Spot-winged Rosefinch | Spot-winged Rosefinch |
| Carpodacus roseus | Pallas's Rosefinch | Pallas's Rosefinch |
| Carpodacus rubescens | Blanford's Rosefinch | Crimson Rosefinch |
| Carpodacus rubicilla | Caucasian Great Rosefinch | Great Rosefinch |
| Carpodacus rubicilloides | Eastern Great Rosefinch | Streaked Rosefinch |
| Carpodacus synoicus | Sinai Rosefinch | Pale Rosefinch |
| Carpodacus thura | White-browed Rosefinch | White-browed Rosefinch |
| Carpodacus trifasciatus | Three-banded Rosefinch | Three-banded Rosefinch |
| Carpodacus vinaceus | Vinaceous Rosefinch | Vinaceous Rosefinch |
| Carpodectes antoniae | Yellow-billed Cotinga | Yellow-billed Cotinga |
| Carpodectes hopkei | Black-tipped Cotinga | Black-tipped Cotinga |
| Carpodectes nitidus | Snowy Cotinga | Snowy Cotinga |
| Carpornis cucullatus | Hooded Berryeater | Hooded Berryeater |
| Carpornis melanocephalus | Black-headed Berryeater | Black-headed Berryeater |
| Caryothraustes canadensis | Yellow-green Grosbeak | Yellow-green Grosbeak |
| Caryothraustes humeralis | Yellow-shouldered Grosbeak | Yellow-shouldered Grosbeak |
| Caryothraustes poliogaster | Black-faced Grosbeak | Black-faced Grosbeak |
| Casiornis fusca | Ash-throated Casiornis | Ash-throated Casiornis |
| Casiornis rufa | Rufous Casiornis | Rufous Casiornis |
| Casmerodius albus | Great Egret | Great Egret |
| Casuarius bennetti | Dwarf Cassowary | Dwarf Cassowary |
| Casuarius casuarius | Double-wattled Cassowary | Southern Cassowary |
| Casuarius unappendiculatus | Northern Cassowary | Northern Cassowary |
| Catamblyrhynchus diadema | Plush-capped Finch | Plushcap |
| Catamenia analis | Band-tailed Seedeater | Band-tailed Seedeater |
| Catamenia homochroa | Paramo Seedeater | Paramo Seedeater |
| Catamenia inornata | Plain-coloured Seedeater | Plain-colored Seedeater |
| Cataponera turdoides | Cataponera Thrush | Sulawesi Thrush |
| Catharacta antarctica | Antarctic Skua | Southern Skua |
| Catharacta chilensis | Chilean Skua | Chilean Skua |
| Catharacta maccormicki | South Polar Skua | South Polar Skua |
| Catharacta skua | Great Skua | Great Skua |
| Catharopeza bishopi | Whistling Warbler | Whistling Warbler |
| Cathartes aura | Turkey Vulture | Turkey Vulture |
| Cathartes burrovianus | Lesser Yellow-headed Vulture | Lesser Yellow-headed Vulture |
| Cathartes melambrotus | Greater Yellow-headed Vulture | Greater Yellow-headed Vulture |
| Catharus aurantiirostris | Orange-billed Nightingale Thrush | Orange-billed Nightingale-Thrush |
| Catharus dryas | Spotted Nightingale Thrush | Spotted Nightingale-Thrush |
| Catharus frantzii | Frantzius' Nightingale Thrush | Ruddy-capped Nightingale-Thrush |
| Catharus fuscater | Slaty-backed Nightingale Thrush | Slaty-backed Nightingale-Thrush |
| Catharus fuscescens | Veery | Veery |
| Catharus gracilirostris | Slender-billed Nightingale Thrush | Black-billed Nightingale-Thrush |
| Catharus guttatus | Hermit Thrush | Hermit Thrush |
| Catharus mexicanus | Black-headed Nightingale Thrush | Black-headed Nightingale-Thrush |
| Catharus minimus | Grey-cheeked Thrush | Grey-cheeked Thrush |
| Catharus occidentalis | Russet Nightingale Thrush | Russet Nightingale-Thrush |
| Catharus ustulatus | Swainson's Thrush | Swainson's Thrush |
| Catherpes mexicanus | Canyon Wren | Canyon Wren |
| Catoptrophorus semipalmatus | Willet | Willet |
| Catreus wallichii | Cheer Pheasant | Cheer Pheasant |
| Celeus brachyurus | Rufous Woodpecker | Rufous Woodpecker |
| Celeus castaneus | Chestnut-coloured Woodpecker | Chestnut-colored Woodpecker |
| Celeus elegans | Chestnut Woodpecker | Chestnut Woodpecker |
| Celeus flavescens | Blond-crested Woodpecker | Blond-crested Woodpecker |
| Celeus flavus | Cream-coloured Woodpecker | Cream-colored Woodpecker |
| Celeus grammicus | Scale-breasted Woodpecker | Scaly-breasted Woodpecker |
| Celeus loricatus | Cinnamon Woodpecker | Cinnamon Woodpecker |
| Celeus lugubris | Pale-crested Woodpecker | Pale-crested Woodpecker |
| Celeus spectabilis | Rufous-headed Woodpecker | Rufous-headed Woodpecker |
| Celeus torquatus | Ringed Woodpecker | Ringed Woodpecker |
| Celeus undatus | Waved Woodpecker | Waved Woodpecker |
| Centrocercus urophasianus | Sage Grouse | Sage Grouse |
| Centropus anselli | Gabon Coucal | Gabon Coucal |
| Centropus ateralbus | New Britain Coucal | Pied Coucal |
| Centropus bengalensis | Lesser Coucal | Lesser Coucal |
| Centropus bernsteini | Bernstein's Coucal | Lesser Black Coucal |
| Centropus celebensis | Bay Coucal | Bay Coucal |
| Centropus chalybeus | Biak Island Coucal | Biak Coucal |
| Centropus chlororhynchus | Ceylon Coucal | Green-billed Coucal |
| Centropus cupreicaudus | Coppery-tailed Coucal | Coppery-tailed Coucal |
| Centropus goliath | Large Coucal | Goliath Coucal |
| Centropus grillii | Black-chested Coucal | Black Coucal |
| Centropus leucogaster | Black-throated Coucal | Black-throated Coucal |
| Centropus melanops | Black-faced Coucal | Black-faced Coucal |
| Centropus menbeki | Greater Coucal | Greater Black Coucal |
| Centropus milo | Buff-headed Coucal | Buff-headed Coucal |
| Centropus monachus | Blue-headed Coucal | Blue-headed Coucal |
| Centropus neumanni | Smaller Black-throated Coucal | Neumann's Coucal |
| Centropus nigrorufus | Sunda Coucal | Sunda Coucal |
| Centropus phasianinus | Pheasant Coucal | Pheasant Coucal |
| Centropus rectunguis | Short-toed Coucal | Short-toed Coucal |
| Centropus senegalensis | Senegal Coucal | Senegal Coucal |
| Centropus sinensis | Common Crow-Pheasant | Greater Coucal |
| Centropus spilopterus | Kai Coucal | Kai Coucal |
| Centropus steerii | Steere's Coucal | Black-hooded Coucal |
| Centropus superciliosus | White-browed Coucal | White-browed Coucal |
| Centropus toulou | Black Coucal | Madagascar Coucal |
| Centropus unirufus | Rufous Coucal | Rufous Coucal |
| Centropus violaceus | Violet Coucal | Violaceous Coucal |
| Centropus viridis | Philippine Coucal | Philippine Coucal |
| Cephalopterus glabricollis | Bare-necked Umbrellabird | Bare-necked Umbrellabird |
| Cephalopterus ornatus | Amazonian Umbrellabird | Amazonian Umbrellabird |
| Cephalopterus penduliger | Long-wattled Umbrellabird | Long-wattled Umbrellabird |
| Cephalopyrus flammiceps | Fire-capped Tit | Fire-capped Tit |
| Cepphus carbo | Spectacled Guillemot | Spectacled Guillemot |
| Cepphus columba | Pigeon Guillemot | Pigeon Guillemot |
| Cepphus grylle | Black Guillemot | Black Guillemot |
| Ceratogymna atrata | Black-casqued Hornbill | Black-casqued Hornbill |
| Ceratogymna brevis | Silvery-cheeked Hornbill | Silvery-cheeked Hornbill |
| Ceratogymna bucinator | Trumpeter Hornbill | Trumpeter Hornbill |
| Ceratogymna cylindricus | Brown-cheeked Hornbill | Brown-cheeked Hornbill |
| Ceratogymna elata | Yellow-casqued Hornbill | Yellow-casqued Hornbill |
| Ceratogymna fistulator | Piping Hornbill | Piping Hornbill |
| Ceratogymna subcylindricus | Black & White Casqued Hornbill | Black-and-white-casqued Hornbill |
| Cercibis oxycerca | Sharp-tailed Ibis | Sharp-tailed Ibis |
| Cercococcyx mechowi | Dusky Long-tailed Cuckoo | Dusky Long-tailed Cuckoo |
| Cercococcyx montanus | Mountain Long-tailed Cuckoo | Barred Long-tailed Cuckoo |
| Cercococcyx olivinus | Olive Long-tailed Cuckoo | Olive Long-tailed Cuckoo |
| Cercomacra brasiliana | Rio de Janeiro Antbird | Rio de Janeiro Antbird |
| Cercomacra carbonaria | Rio Branco Antbird | Rio Branco Antbird |
| Cercomacra cinerascens | Grey Antbird | Grey Antbird |
| Cercomacra ferdinandi | Bananal Antbird | Bananal Antbird |
| Cercomacra manu | Manu Antbird | Manu Antbird |
| Cercomacra melanaria | Mato Grosso Antbird | Mato Grosso Antbird |
| Cercomacra nigrescens | Blackish Antbird | Blackish Antbird |
| Cercomacra nigricans | Jet Antbird | Jet Antbird |
| Cercomacra serva | Black Antbird | Black Antbird |
| Cercomacra tyrannina | Dusky Antbird | Dusky Antbird |
| Cercomela dubia | Sombre Rockchat | Sombre Chat |
| Cercomela familiaris | Familiar Chat | Familiar Chat |
| Cercomela fusca | Brown Rockchat | Indian Chat |
| Cercomela melanura | Blackstart | Blackstart |
| Cercomela schlegelii | Karoo Chat | Karoo Chat |
| Cercomela scotocerca | Brown-tailed Rockchat | Brown-tailed Chat |
| Cercomela sinuata | Sicklewing Chat | Sicklewing Chat |
| Cercomela sordida | Moorland Chat | Moorland Chat |
| Cercomela tractrac | Tractrac Chat | Tractrac Chat |
| Cercotrichas barbata | Miombo Bearded Scrub Robin | Miombo Scrub-Robin |
| Cercotrichas coryphaeus | Karoo Scrub Robin | Karoo Scrub-Robin |
| Cercotrichas galactotes | Rufous Scrub Robin | Rufous-tailed Scrub-Robin |
| Cercotrichas hartlaubi | Brown-backed Scrub Robin | Brown-backed Scrub-Robin |
| Cercotrichas leucophrys | White-browed Scrub Robin | Red-backed Scrub-Robin |
| Cercotrichas leucosticta | Forest Scrub Robin | Forest Scrub-Robin |
| Cercotrichas paena | Kalahari Scrub Robin | Kalahari Scrub-Robin |
| Cercotrichas podobe | Black Scrub Robin | Black Scrub-Robin |
| Cercotrichas quadrivirgata | Eastern Bearded Scrub Robin | Bearded Scrub-Robin |
| Cercotrichas signata | Brown Scrub Robin | Brown Scrub-Robin |
| Cereopsis novaehollandiae | Cereopsis Goose | Cape Barren Goose |
| Cerorhinca monocerata | Rhinoceros Auklet | Rhinoceros Auklet |
| Certhia americana | American Treecreeper | American Tree-Creeper |
| Certhia brachydactyla | Short-toed Treecreeper | Short-toed Tree-Creeper |
| Certhia discolor | Brown-throated Treecreeper | Brown-throated Tree-Creeper |
| Certhia familiaris | Common Treecreeper | Eurasian Tree-Creeper |
| Certhia himalayana | Himalayan Treecreeper | Bar-tailed Tree-Creeper |
| Certhia nipalensis | Stoliczka's Treecreeper | Rusty-flanked Tree-Creeper |
| Certhiaxis cinnamomea | Yellow-throated Spinetail | Yellow-chinned Spinetail |
| Certhiaxis mustelina | Red & White Spinetail | Red-and-white Spinetail |
| Certhidea olivacea | Warbler Finch | Warbler Finch |
| Certhilauda albescens | Karoo Lark | Karoo Lark |
| Certhilauda burra | Red Lark | Ferruginous Lark |
| Certhilauda chuana | Short-clawed Lark | Short-clawed Lark |
| Certhilauda curvirostris | Long-billed Lark | Long-billed Lark |
| Certhilauda erythrochlamys | Dune Lark | Dune Lark |
| Certhionyx niger | Black Honeyeater | Black Honeyeater |
| Certhionyx variegatus | Pied Honeyeater | Pied Honeyeater |
| Ceryle rudis | Lesser Pied Kingfisher | Pied Kingfisher |
| Cettia annae | Palau Bush Warbler | Palau Bush-Warbler |
| Cettia brunnifrons | Rufous-capped Bush Warbler | Grey-sided Bush-Warbler |
| Cettia canturians | Manchurian Bush Warbler | Manchurian Bush-Warbler |
| Cettia carolinae | Yamdena Warbler | Tanimbar Bush-Warbler |
| Cettia cetti | Cetti's Warbler | Cetti's Warbler |
| Cettia diphone | Japanese Bush Warbler | Japanese Bush-Warbler |
| Cettia flavolivacea | Aberrant Bush Warbler | Aberrant Bush-Warbler |
| Cettia fortipes | Strong-footed Bush Warbler | Brownish-flanked Bush-Warbler |
| Cettia major | Large Bush Warbler | Chestnut-crowned Bush-Warbler |
| Cettia pallidipes | Pale-footed Stubtail | Pale-footed Bush-Warbler |
| Cettia parens | Shade Warbler | Shade Warbler |
| Cettia ruficapilla | Fiji Warbler | Fiji Bush-Warbler |
| Cettia seebohmi | Philippine Bush Warbler | Philippine Bush-Warbler |
| Cettia vulcania | Muller's Bush Warbler | Sunda Bush-Warbler |
| Ceuthmochares aereus | Yellow-bill | Yellowbill |
| Ceyx erithacus | Three-toed Kingfisher | Black-backed Kingfisher |
| Ceyx fallax | Sulawesi Pygmy Kingfisher | Sulawesi Kingfisher |
| Ceyx lepidus | Dwarf Kingfisher | Variable Kingfisher |
| Ceyx melanurus | Philippine Forest Kingfisher | Philippine Kingfisher |
| Chaetocercus jourdanii | Rufous-shafted Woodstar | Rufous-shafted Woodstar |
| Chaetops aurantius | Orange-breasted Rockjumper | Orange-breasted Rock-jumper |
| Chaetops frenatus | Cape Rockjumper | Rufous Rock-jumper |
| Chaetorhynchus papuensis | Papuan Mountain Drongo | Pygmy Drongo |
| Chaetornis striatus | Bristled Grass Warbler | Bristled Grassbird |
| Chaetura andrei | Ashy-tailed Swift | Ashy-tailed Swift |
| Chaetura brachyura | Short-tailed Swift | Short-tailed Swift |
| Chaetura chapmani | Chapman's Swift | Chapman's Swift |
| Chaetura cinereiventris | Grey-rumped Swift | Grey-rumped Swift |
| Chaetura egregia | Pale-rumped Swift | Pale-rumped Swift |
| Chaetura martinica | Lesser Antillean Swift | Lesser Antillean Swift |
| Chaetura pelagica | Chimney Swift | Chimney Swift |
| Chaetura spinicauda | Band-rumped Swift | Band-rumped Swift |
| Chaetura vauxi | Vaux's Swift | Vaux's Swift |
| Chalcophaps indica | Emerald Dove | Emerald Dove |
| Chalcophaps stephani | Brown-backed Emerald Dove | Stephan's Dove |
| Chalcopsitta atra | Black Lory | Black Lory |
| Chalcopsitta cardinalis | Cardinal Lory | Cardinal Lory |
| Chalcopsitta duivenbodei | Duyvenbode's Lory | Brown Lory |
| Chalcopsitta sintillata | Yellow-streaked Lory | Yellow-streaked Lory |
| Chalcostigma herrani | Rainbow-bearded Thornbill | Rainbow-bearded Thornbill |
| Chalcostigma heteropogon | Bronze-tailed Thornbill | Bronze-tailed Thornbill |
| Chalcostigma olivaceum | Olivaceous Thornbill | Olivaceous Thornbill |
| Chalcostigma ruficeps | Rufous-capped Thornbill | Rufous-capped Thornbill |
| Chalcostigma stanleyi | Blue-mantled Thornbill | Blue-mantled Thornbill |
| Chalybura buffonii | White-vented Plumeleteer | White-vented Plumeleteer |
| Chalybura urochrysia | Bronze-tailed Plumeleteer | Bronze-tailed Plumeleteer |
| Chamaea fasciata | Wren-Tit | Wrentit |
| Chamaepetes goudotii | Sickle-winged Guan | Sickle-winged Guan |
| Chamaepetes unicolor | Black Guan | Black Guan |
| Chamaeza campanisona | Short-tailed Ant-thrush | Short-tailed Antthrush |
| Chamaeza meruloides | Such's Ant-thrush | Such's Antthrush |
| Chamaeza mollissima | Barred Ant-thrush | Barred Antthrush |
| Chamaeza nobilis | Striated Ant-thrush | Striated Antthrush |
| Chamaeza ruficauda | Rufous-tailed Ant-thrush | Rufous-tailed Antthrush |
| Chamaeza turdina | Schwartz's Ant-thrush | Schwartz's Antthrush |
| Charadrius alexandrinus | Kentish Plover | Kentish Plover |
| Charadrius alticola | Puna Plover | Puna Plover |
| Charadrius asiaticus | Caspian Plover | Caspian Plover |
| Charadrius bicinctus | Double-banded Plover | Double-banded Plover |
| Charadrius collaris | Collared Plover | Collared Plover |
| Charadrius dubius | Little Ringed Plover | Little Ringed Plover |
| Charadrius falklandicus | Two-banded Plover | Two-banded Plover |
| Charadrius hiaticula | Ringed Plover | Common Ringed Plover |
| Charadrius javanicus | Javan Sand Plover | Javan Plover |
| Charadrius leschenaultii | Great Sand Plover | Greater Sand Plover |
| Charadrius marginatus | White-fronted Sand Plover | White-fronted Plover |
| Charadrius melodus | Piping Plover | Piping Plover |
| Charadrius modestus | Rufous-chested Dotterel | Rufous-chested Plover |
| Charadrius mongolus | Lesser Sand Plover | Mongolian Plover |
| Charadrius montanus | Mountain Plover | Mountain Plover |
| Charadrius pecuarius | Kittlitz's Sand Plover | Kittlitz's Plover |
| Charadrius peronii | Malaysian Sand Plover | Malaysian Plover |
| Charadrius placidus | Long-billed Ringed Plover | Long-billed Plover |
| Charadrius rubricollis | Hooded Plover | Hooded Plover |
| Charadrius ruficapillus | Red-capped Dotterel | Red-capped Plover |
| Charadrius sanctaehelenae | St. Helena Sand Plover | St. Helena Plover |
| Charadrius semipalmatus | Semi-palmated Plover | Semipalmated Plover |
| Charadrius thoracicus | Black-banded Sand Plover | Black-banded Plover |
| Charadrius tricollaris | Three-banded Plover | Three-banded Plover |
| Charadrius veredus | Eastern Sand Plover | Oriental Plover |
| Charadrius wilsonia | Wilson's Plover | Wilson's Plover |
| Charitospiza eucosma | Coal-crested Finch | Coal-crested Finch |
| Charmosyna amabilis | Red-throated Lorikeet | Red-throated Lorikeet |
| Charmosyna diadema | New Caledonian Lorikeet | New Caledonian Lorikeet |
| Charmosyna josefinae | Josephine's Lory | Josephine's Lorikeet |
| Charmosyna margarethae | Duchess Lorikeet | Duchess Lorikeet |
| Charmosyna meeki | Meek's Lorikeet | Meek's Lorikeet |
| Charmosyna multistriata | Striated Lorikeet | Striated Lorikeet |
| Charmosyna palmarum | Palm Lorikeet | Palm Lorikeet |
| Charmosyna papou | Papuan Lory | Papuan Lorikeet |
| Charmosyna placentis | Red-flanked Lorikeet | Red-flanked Lorikeet |
| Charmosyna pulchella | Fairy Lorikeet | Fairy Lorikeet |
| Charmosyna rubrigularis | Red-chinned Lorikeet | Red-chinned Lorikeet |
| Charmosyna rubronotata | Red-spotted Lorikeet | Red-fronted Lorikeet |
| Charmosyna toxopei | Blue-fronted Lorikeet | Blue-fronted Lorikeet |
| Charmosyna wilhelminae | Wilhelmina's Lorikeet | Pygmy Lorikeet |
| Chasiempis sandwichensis | Elepaio | Elepaio |
| Chauna chavaria | Northern Screamer | Northern Screamer |
| Chauna torquata | Crested Screamer | Southern Screamer |
| Chelictinia riocourii | Scissor-tailed Kite | Scissor-tailed Kite |
| Chelidoptera tenebrosa | Swallow-wing Puffbird | Swallow-wing |
| Chenonetta jubata | Maned Goose | Maned Duck |
| Cheramoeca leucosternus | White-backed Swallow | White-backed Swallow |
| Chersomanes albofasciata | Spike-heeled Lark | Spike-heeled Lark |
| Chersophilus duponti | DuPont's Lark | Dupont's Lark |
| Chilia melanura | Crag Chilia | Crag Chilia |
| Chionis alba | Snowy Sheathbill | Snowy Sheathbill |
| Chionis minor | Black-faced Sheathbill | Black-faced Sheathbill |
| Chiroxiphia boliviana | Yungas Manakin | Yungas Manakin |
| Chiroxiphia caudata | Swallow-tailed Manakin | Swallow-tailed Manakin |
| Chiroxiphia lanceolata | Lance-tailed Manakin | Lance-tailed Manakin |
| Chiroxiphia linearis | Long-tailed Manakin | Long-tailed Manakin |
| Chiroxiphia pareola | Blue-backed Manakin | Blue-backed Manakin |
| Chlamydera cerviniventris | Fawn-breasted Bowerbird | Fawn-breasted Bowerbird |
| Chlamydera lauterbachi | Lauterbach's Bowerbird | Yellow-breasted Bowerbird |
| Chlamydera maculata | Spotted Bowerbird | Spotted Bowerbird |
| Chlamydera nuchalis | Great Grey Bowerbird | Great Bowerbird |
| Chlamydochaera jefferyi | Black-breasted Fruit Hunter | Black-breasted Fruit-hunter |
| Chlamydotis undulata | Houbara Bustard | Houbara Bustard |
| Chloebia gouldiae | Gouldian Finch | Gouldian Finch |
| Chloephaga hybrida | Kelp Goose | Kelp Goose |
| Chloephaga melanoptera | Andean Goose | Andean Goose |
| Chloephaga picta | Magellan Goose | Upland Goose |
| Chloephaga poliocephala | Ashy-headed Goose | Ashy-headed Goose |
| Chloephaga rubidiceps | Ruddy-headed Goose | Ruddy-headed Goose |
| Chlorestes notatus | Blue-chinned Sapphire | Blue-chinned Sapphire |
| Chloroceryle aenea | Pygmy Kingfisher | American Pygmy Kingfisher |
| Chloroceryle amazona | Amazon Kingfisher | Amazon Kingfisher |
| Chloroceryle americana | Green Kingfisher | Green Kingfisher |
| Chloroceryle inda | Green & Rufous Kingfisher | Green-and-rufous Kingfisher |
| Chlorocharis emiliae | Olive Blackeye | Mountain Blackeye |
| Chlorochrysa calliparaea | Orange-eared Tanager | Orange-eared Tanager |
| Chlorochrysa nitidissima | Multicoloured Tanager | Multicolored Tanager |
| Chlorochrysa phoenicotis | Glistening-green Tanager | Glistening-green Tanager |
| Chlorocichla falkensteini | Yellow-necked Greenbul | Yellow-necked Greenbul |
| Chlorocichla flavicollis | Yellow-throated Leaf-Love | Yellow-throated Greenbul |
| Chlorocichla flaviventris | Yellow-bellied Greenbul | Yellow-bellied Greenbul |
| Chlorocichla laetissima | Joyful Greenbul | Joyful Greenbul |
| Chlorocichla prigoginei | Prigogine's Greenbul | Prigogine's Greenbul |
| Chlorocichla simplex | Simple Greenbul | Simple Greenbul |
| Chloropeta gracilirostris | Yellow Swamp Warbler | Thin-billed Flycatcher-Warbler |
| Chloropeta natalensis | Yellow Warbler | Yellow Flycatcher-Warbler |
| Chloropeta similis | Mountain Yellow Warbler | Mountain Flycatcher-Warbler |
| Chlorophanes spiza | Green Honeycreeper | Green Honeycreeper |
| Chlorophonia callophrys | Golden-browed Chlorophonia | Golden-browed Chlorophonia |
| Chlorophonia cyanea | Blue-naped Chlorophonia | Blue-naped Chlorophonia |
| Chlorophonia flavirostris | Yellow-collared Chlorophonia | Yellow-collared Chlorophonia |
| Chlorophonia occipitalis | Blue-crowned Chlorophonia | Blue-crowned Chlorophonia |
| Chlorophonia pyrrhophrys | Chestnut-breasted Chlorophonia | Chestnut-breasted Chlorophonia |
| Chloropipo flavicapilla | Yellow-headed Manakin | Yellow-headed Manakin |
| Chloropipo holochlora | Green Manakin | Green Manakin |
| Chloropipo unicolor | Jet Manakin | Jet Manakin |
| Chloropipo uniformis | Olive Manakin | Olive Manakin |
| Chloropsis aurifrons | Golden-fronted Leafbird | Golden-fronted Leafbird |
| Chloropsis cochinchinensis | Blue-winged Leafbird | Blue-winged Leafbird |
| Chloropsis cyanopogon | Lesser Green Leafbird | Lesser Green Leafbird |
| Chloropsis flavipennis | Yellow-quilled Leafbird | Philippine Leafbird |
| Chloropsis palawanensis | Palawan Leafbird | Yellow-throated Leafbird |
| Chloropsis sonnerati | Greater Green Leafbird | Greater Green Leafbird |
| Chloropsis venusta | Blue-masked Leafbird | Blue-masked Leafbird |
| Chlorornis riefferii | Grass-green Tanager | Grass-green Tanager |
| Chlorospingus canigularis | Ash-throated Bush Tanager | Ashy-throated Bush-Tanager |
| Chlorospingus flavigularis | Yellow-throated Bush Tanager | Yellow-throated Bush-Tanager |
| Chlorospingus flavovirens | Yellow-green Bush Tanager | Yellow-green Bush-Tanager |
| Chlorospingus inornatus | Pirre Bush Tanager | Pirre Bush-Tanager |
| Chlorospingus ophthalmicus | Common Bush Tanager | Common Bush-Tanager |
| Chlorospingus parvirostris | Short-billed Bush Tanager | Yellow-whiskered Bush-Tanager |
| Chlorospingus pileatus | Pileated Bush Tanager | Sooty-capped Bush-Tanager |
| Chlorospingus semifuscus | Dusky-bellied Bush Tanager | Dusky Bush-Tanager |
| Chlorospingus tacarcunae | Tacarcuna Bush Tanager | Tacarcuna Bush-Tanager |
| Chlorostilbon alice | Green-tailed Emerald | Green-tailed Emerald |
| Chlorostilbon assimilis | Garden Emerald | Garden Emerald |
| Chlorostilbon aureoventris | Glittering-bellied Emerald | Glittering-bellied Emerald |
| Chlorostilbon bracei | Brace's Emerald | Brace's Emerald |
| Chlorostilbon canivetii | Fork-tailed Emerald | Fork-tailed Emerald |
| Chlorostilbon gibsoni | Red-billed Emerald | Red-billed Emerald |
| Chlorostilbon maugaeus | Puerto Rican Emerald | Puerto Rican Emerald |
| Chlorostilbon mellisugus | Blue-tailed Emerald | Blue-tailed Emerald |
| Chlorostilbon poortmani | Short-tailed Emerald | Short-tailed Emerald |
| Chlorostilbon ricordii | Cuban Emerald | Cuban Emerald |
| Chlorostilbon russatus | Coppery Emerald | Coppery Emerald |
| Chlorostilbon stenura | Narrow-tailed Emerald | Narrow-tailed Emerald |
| Chlorostilbon swainsonii | Hispaniolan Emerald | Hispaniolan Emerald |
| Chlorothraupis carmioli | Carmiol's Tanager | Olive Tanager |
| Chlorothraupis olivacea | Lemon-browed Tanager | Lemon-spectacled Tanager |
| Chlorothraupis stolzmanni | Ochre-breasted Tanager | Ochre-breasted Tanager |
| Chondestes grammacus | Lark Sparrow | Lark Sparrow |
| Chondrohierax uncinatus | Hook-billed Kite | Hook-billed Kite |
| Chordeiles acutipennis | Lesser Nighthawk | Lesser Nighthawk |
| Chordeiles gundlachii | Antillean Nighthawk | Antillean Nighthawk |
| Chordeiles minor | Common Nighthawk | Common Nighthawk |
| Chordeiles pusillus | Least Nighthawk | Least Nighthawk |
| Chordeiles rupestris | Sand-coloured Nighthawk | Sand-colored Nighthawk |
| Chrysococcyx caprius | Didric Cuckoo | Dideric Cuckoo |
| Chrysococcyx cupreus | African Emerald Cuckoo | African Emerald Cuckoo |
| Chrysococcyx flavigularis | Yellow-throated Green Cuckoo | Yellow-throated Cuckoo |
| Chrysococcyx klaas | Klaas' Cuckoo | Klaas's Cuckoo |
| Chrysocolaptes festivus | Black-rumped Woodpecker | White-naped Woodpecker |
| Chrysocolaptes lucidus | Greater Flame-backed Woodpecker | Greater Flameback |
| Chrysolampis mosquitus | Ruby-topaz Hummingbird | Ruby-topaz Hummingbird |
| Chrysolophus amherstiae | Lady Amherst's Pheasant | Lady Amherst's Pheasant |
| Chrysolophus pictus | Golden Pheasant | Golden Pheasant |
| Chrysomma sinense | Oriental Yellow-eyed Babbler | Yellow-eyed Babbler |
| Chrysothlypis chrysomelas | Black & Yellow Tanager | Black-and-yellow Tanager |
| Chrysothlypis salmoni | Scarlet & White Tanager | Scarlet-and-white Tanager |
| Chrysuronia oenone | Golden-tailed Sapphire | Golden-tailed Sapphire |
| Chunga burmeisteri | Black-legged Seriema | Black-legged Seriema |
| Cichladusa arquata | Collared Palm Thrush | Collared Palm-Thrush |
| Cichladusa guttata | Spotted Morning Thrush | Spotted Morning-Thrush |
| Cichladusa ruficauda | Rufous-tailed Palm Thrush | Rufous-tailed Palm-Thrush |
| Cichlherminia lherminieri | Forest Thrush | Forest Thrush |
| Cichlocolaptes leucophrus | Pale-browed Treehunter | Pale-browed Treehunter |
| Cicinnurus regius | King Bird of Paradise | King Bird-of-paradise |
| Ciconia abdimii | Abdim's Stork | Abdim's Stork |
| Ciconia boyciana | Oriental White Stork | Oriental Stork |
| Ciconia ciconia | White Stork | White Stork |
| Ciconia episcopus | Woolly-necked Stork | Woolly-necked Stork |
| Ciconia maguari | Maguari Stork | Maguari Stork |
| Ciconia nigra | Black Stork | Black Stork |
| Ciconia stormi | Storm's Stork | Storm's Stork |
| Cinclidium diana | Sunda Blue Robin | Sunda Robin |
| Cinclidium frontale | Blue-fronted Callene | Blue-fronted Robin |
| Cinclidium leucurum | White-tailed Blue Robin | White-tailed Robin |
| Cinclocerthia gutturalis | Grey Trembler | Grey Trembler |
| Cinclocerthia ruficauda | Brown Trembler | Brown Trembler |
| Cinclodes antarcticus | Blackish Cinclodes | Blackish Cinclodes |
| Cinclodes atacamensis | White-winged Cinclodes | White-winged Cinclodes |
| Cinclodes comechingonus | Comechingones Cinclodes | Cordoba Cinclodes |
| Cinclodes excelsior | Stout-billed Cinclodes | Stout-billed Cinclodes |
| Cinclodes fuscus | Bar-winged Cinclodes | Bar-winged Cinclodes |
| Cinclodes nigrofumosus | Seaside Cinclodes | Seaside Cinclodes |
| Cinclodes olrogi | Olrog's Cinclodes | Olrog's Cinclodes |
| Cinclodes oustaleti | Grey-flanked Cinclodes | Grey-flanked Cinclodes |
| Cinclodes pabsti | Long-tailed Cinclodes | Long-tailed Cinclodes |
| Cinclodes palliatus | White-bellied Cinclodes | White-bellied Cinclodes |
| Cinclodes patagonicus | Dark-bellied Cinclodes | Dark-bellied Cinclodes |
| Cinclodes taczanowskii | Taczanowski's Cinclodes | Surf Cinclodes |
| Cincloramphus cruralis | Brown Songlark | Brown Songlark |
| Cincloramphus mathewsi | Rufous Songlark | Rufous Songlark |
| Cinclosoma ajax | Ajax Quail Thrush | Painted Quail-thrush |
| Cinclosoma castaneothorax | Chestnut-breasted Quail Thrush | Chestnut-breasted Quail-thrush |
| Cinclosoma cinnamomeum | Cinnamon Quail Thrush | Cinnamon Quail-thrush |
| Cinclosoma punctatum | Spotted Quail Thrush | Spotted Quail-thrush |
| Cinclus cinclus | White-throated Dipper | White-throated Dipper |
| Cinclus leucocephalus | White-capped Dipper | White-capped Dipper |
| Cinclus mexicanus | North American Dipper | American Dipper |
| Cinclus pallasii | Brown Dipper | Brown Dipper |
| Cinclus schulzi | Rufous-throated Dipper | Rufous-throated Dipper |
| Cinnycerthia peruana | Sepia-brown Wren | Sepia-brown Wren |
| Cinnycerthia unirufa | Rufous Wren | Rufous Wren |
| Cinnyricinclus femoralis | Abbott's Starling | Abbott's Starling |
| Cinnyricinclus leucogaster | Violet Starling | Violet-backed Starling |
| Cinnyricinclus sharpii | Sharpe's Starling | Sharpe's Starling |
| Circaetus cinerascens | Smaller Banded Snake Eagle | Banded Snake-Eagle |
| Circaetus cinereus | Brown Snake Eagle | Brown Snake-Eagle |
| Circaetus fasciolatus | Southern Banded Snake Eagle | Fasciated Snake-Eagle |
| Circaetus gallicus | Short-toed Eagle | Short-toed Snake-Eagle |
| Circus aeruginosus | Western Marsh Harrier | Western Marsh-Harrier |
| Circus approximans | Pacific Marsh Harrier | Swamp Harrier |
| Circus assimilis | Spotted Harrier | Spotted Harrier |
| Circus buffoni | Long-winged Harrier | Long-winged Harrier |
| Circus cinereus | Cinereous Harrier | Cinereous Harrier |
| Circus cyaneus | Hen Harrier | Northern Harrier |
| Circus macrourus | Pallid Harrier | Pallid Harrier |
| Circus maillardi | Malagasy Marsh Harrier | Madagascar Marsh-Harrier |
| Circus maurus | Black Harrier | Black Harrier |
| Circus melanoleucos | Pied Harrier | Pied Harrier |
| Circus pygargus | Montague's Harrier | Montagu's Harrier |
| Circus ranivorus | African Marsh Harrier | African Marsh-Harrier |
| Circus spilonotus | Eastern Marsh Harrier | Eastern Marsh-Harrier |
| Cissa chinensis | Green Magpie | Green Magpie |
| Cissa hypoleuca | Eastern Green Magpie | Yellow-breasted Magpie |
| Cissa thalassina | Short-tailed Green Magpie | Short-tailed Magpie |
| Cissopis leveriana | Magpie Tanager | Magpie Tanager |
| Cisticola aberdare | Aberdare Mountain Cisticola | Aberdare Cisticola |
| Cisticola aberrans | Lazy Cisticola | Lazy Cisticola |
| Cisticola angolensis | Angola Cisticola | Angola Cisticola |
| Cisticola angusticauda | Tabora Cisticola | Tabora Cisticola |
| Cisticola ayresii | Wing-snapping Cisticola | Wing-snapping Cisticola |
| Cisticola bodessa | Boran Cisticola | Boran Cisticola |
| Cisticola brunnescens | Pectoral-patch Cisticola | Pectoral-patch Cisticola |
| Cisticola bulliens | Bubbling Cisticola | Bubbling Cisticola |
| Cisticola cantans | Singing Cisticola | Singing Cisticola |
| Cisticola carruthersi | Carruthers' Cisticola | Carruthers's Cisticola |
| Cisticola chubbi | Chubb's Cisticola | Chubb's Cisticola |
| Cisticola dambo | Cloud-scraping Cisticola | Cloud-scraping Cisticola |
| Cisticola discolor | Brown-backed Cisticola | Brown-backed Cisticola |
| Cisticola dorsti | Long-tailed Cisticola | Dorst's Cisticola |
| Cisticola erythrops | Red-faced Cisticola | Red-faced Cisticola |
| Cisticola exilis | Gold-capped Cisticola | Golden-headed Cisticola |
| Cisticola galactotes | Winding Cisticola | Winding Cisticola |
| Cisticola hunteri | Hunter's Cisticola | Hunter's Cisticola |
| Cisticola juncidis | Zitting Cisticola | Zitting Cisticola |
| Cisticola lais | Wailing Cisticola | Wailing Cisticola |
| Cisticola lateralis | Whistling Cisticola | Whistling Cisticola |
| Cisticola lepe | Angolan Cisticola | Lepe Cisticola |
| Cisticola mongalla | Mongalla Cisticola | Mongalla Cisticola |
| Cisticola natalensis | Croaking Cisticola | Croaking Cisticola |
| Cisticola nigriloris | Black-browed Cisticola | Black-lored Cisticola |
| Cisticola njombe | Churring Cisticola | Churring Cisticola |
| Cisticola pipiens | Chirping Cisticola | Chirping Cisticola |
| Cisticola ruficeps | Red-pate Cisticola | Red-pate Cisticola |
| Cisticola textrix | Tink-tink Cisticola | Tink-tink Cisticola |
| Cisticola tinniens | Levaillant's Cisticola | Tinkling Cisticola |
| Cisticola troglodytes | Foxy Cisticola | Foxy Cisticola |
| Cisticola woosnami | Trilling Cisticola | Trilling Cisticola |
| Cistothorus apolinari | Apolinar's Wren | Apolinar's Wren |
| Cistothorus meridae | Paramo Wren | Merida Wren |
| Cistothorus palustris | Marsh Wren | Marsh Wren |
| Cistothorus platensis | Sedge Wren | Sedge Wren |
| Cittura cyanotis | Sulawesi Blue-eared Kingfisher | Lilac-cheeked Kingfisher |
| Cladorhynchus leucocephalus | Banded Stilt | Banded Stilt |
| Clamator coromandus | Red-winged Crested Cuckoo | Chestnut-winged Cuckoo |
| Clamator glandarius | Great Spotted Cuckoo | Great Spotted Cuckoo |
| Clangula hyemalis | Long-tailed Duck | Long-tailed Duck |
| Claravis godefrida | Purple-barred Ground Dove | Purple-winged Ground-Dove |
| Claravis mondetoura | Purple-breasted Ground Dove | Maroon-chested Ground-Dove |
| Claravis pretiosa | Blue Ground Dove | Blue Ground-Dove |
| Cleptornis marchei | Golden White-eye | Golden White-eye |
| Climacteris affinis | White-browed Treecreeper | White-browed Treecreeper |
| Climacteris erythrops | Red-browed Treecreeper | Red-browed Treecreeper |
| Climacteris melanura | Black-tailed Treecreeper | Black-tailed Treecreeper |
| Climacteris picumnus | Brown Treecreeper | Brown Treecreeper |
| Climacteris rufa | Rufous Treecreeper | Rufous Treecreeper |
| Clytoceyx rex | Shovel-billed Kookaburra | Shovel-billed Kookaburra |
| Clytoctantes alixii | Recurvebill Bushbird | Recurve-billed Bushbird |
| Clytoctantes atrogularis | Rondonia Bushbird | Rondonia Bushbird |
| Clytolaema rubricauda | Brazilian Ruby | Brazilian Ruby |
| Clytomyias insignis | Rufous Wren Warbler | Orange-crowned Fairywren |
| Clytorhynchus hamlini | Rennell Shrikebill | Rennell Shrikebill |
| Clytorhynchus nigrogularis | Black-throated Shrikebill | Black-throated Shrikebill |
| Clytorhynchus pachycephaloides | Southern Shrikebill | Southern Shrikebill |
| Clytorhynchus vitiensis | Fiji Shrikebill | Fiji Shrikebill |
| Clytospiza monteiri | Brown Twin-spot | Brown Twinspot |
| Cnemophilus macgregorii | Sickle-crested Bird of Paradise | Crested Bird-of-paradise |
| Cnemoscopus rubrirostris | Grey-hooded Bush Tanager | Grey-hooded Bush-Tanager |
| Cnemotriccus fuscatus | Fuscous Flycatcher | Fuscous Flycatcher |
| Cnipodectes subbrunneus | Brownish Flycatcher | Brownish Flycatcher |
| Coccothraustes coccothraustes | Hawfinch | Hawfinch |
| Coccyzus americanus | Yellow-billed Cuckoo | Yellow-billed Cuckoo |
| Coccyzus cinereus | Ash-coloured Cuckoo | Ash-colored Cuckoo |
| Coccyzus erythropthalmus | Black-billed Cuckoo | Black-billed Cuckoo |
| Coccyzus euleri | Pearly-breasted Cuckoo | Pearly-breasted Cuckoo |
| Coccyzus ferrugineus | Cocos Cuckoo | Cocos Cuckoo |
| Coccyzus lansbergi | Grey-capped Cuckoo | Grey-capped Cuckoo |
| Coccyzus melacoryphus | Dark-billed Cuckoo | Dark-billed Cuckoo |
| Coccyzus minor | Mangrove Cuckoo | Mangrove Cuckoo |
| Coccyzus pumilus | Dwarf Cuckoo | Dwarf Cuckoo |
| Cochoa azurea | Malaysian Cochoa | Javan Cochoa |
| Cochoa beccarii | Sumatran Cochoa | Sumatran Cochoa |
| Cochoa purpurea | Purple Cochoa | Purple Cochoa |
| Cochoa viridis | Green Cochoa | Green Cochoa |
| Coeligena bonapartei | Golden-bellied Starfrontlet | Golden-bellied Starfrontlet |
| Coeligena coeligena | Bronzy Inca | Bronzy Inca |
| Coeligena helianthea | Blue-throated Starfrontlet | Blue-throated Starfrontlet |
| Coeligena iris | Rainbow Starfrontlet | Rainbow Starfrontlet |
| Coeligena lutetiae | Buff-winged Starfrontlet | Buff-winged Starfrontlet |
| Coeligena orina | Dusky Starfrontlet | Dusky Starfrontlet |
| Coeligena phalerata | White-tailed Starfrontlet | White-tailed Starfrontlet |
| Coeligena prunellei | Black Inca | Black Inca |
| Coeligena torquata | Collared Inca | Collared Inca |
| Coeligena violifer | Violet-throated Starfrontlet | Violet-throated Starfrontlet |
| Coeligena wilsoni | Brown Inca | Brown Inca |
| Coenocorypha aucklandica | Sub-Antarctic Snipe | Subantarctic Snipe |
| Coereba flaveola | Bananaquit | Bananaquit |
| Colaptes atricollis | Black-necked Woodpecker | Black-necked Woodpecker |
| Colaptes auratus | Common Flicker | Northern Flicker |
| Colaptes campestris | Campo Flicker | Campo Flicker |
| Colaptes fernandinae | Fernandina's Flicker | Fernandina's Flicker |
| Colaptes melanochloros | Green-barred Woodpecker | Green-barred Woodpecker |
| Colaptes pitius | Chilean Flicker | Chilean Flicker |
| Colaptes punctigula | Spot-breasted Woodpecker | Spot-breasted Woodpecker |
| Colaptes rupicola | Andean Flicker | Andean Flicker |
| Colibri coruscans | Sparkling Violetear | Sparkling Violet-ear |
| Colibri delphinae | Brown Violetear | Brown Violet-ear |
| Colibri serrirostris | White-vented Violetear | White-vented Violet-ear |
| Colibri thalassinus | Green Violetear | Green Violet-ear |
| Colinus cristatus | Crested Bobwhite | Crested Bobwhite |
| Colinus nigrogularis | Black-throated Quail | Black-throated Bobwhite |
| Colinus virginianus | Northern Bobwhite | Northern Bobwhite |
| Colius castanotus | Red-backed Mousebird | Red-backed Mousebird |
| Colius colius | White-backed Mousebird | White-backed Mousebird |
| Colius leucocephalus | White-headed Mousebird | White-headed Mousebird |
| Colius striatus | Speckled Mousebird | Speckled Mousebird |
| Collocalia esculenta | White-bellied Swiftlet | Glossy Swiftlet |
| Collocalia linchi | Linchi Swiftlet | Cave Swiftlet |
| Collocalia troglodytes | Pygmy Swiftlet | Pygmy Swiftlet |
| Colluricincla boweri | Stripe-breasted Shrike Thrush | Bower's Shrike-thrush |
| Colluricincla harmonica | Grey Shrike Thrush | Grey Shrike-thrush |
| Colluricincla megarhyncha | Rufous Shrike Thrush | Little Shrike-thrush |
| Colluricincla tenebrosa | Morning Bird | Morningbird |
| Colluricincla umbrina | Sooty Shrike Thrush | Sooty Shrike-thrush |
| Colluricincla woodwardi | Sandstone Shrike Thrush | Sandstone Shrike-thrush |
| Colonia colonus | Long-tailed Tyrant | Long-tailed Tyrant |
| Colorhamphus parvirostris | Patagonian Chat Tyrant | Patagonian Tyrant |
| Columba albinucha | White-naped Pigeon | White-naped Pigeon |
| Columba albitorques | White-collared Pigeon | White-collared Pigeon |
| Columba araucana | Chilean Pigeon | Chilean Pigeon |
| Columba argentina | Silver Pigeon | Silvery Wood-Pigeon |
| Columba arquatrix | Olive Pigeon | African Olive-Pigeon |
| Columba bollii | Bolle's Pigeon | Bolle's Pigeon |
| Columba caribaea | Jamaican Band-tailed Pigeon | Ring-tailed Pigeon |
| Columba cayennensis | Rufous Pigeon | Pale-vented Pigeon |
| Columba corensis | Bare-eyed Pigeon | Bare-eyed Pigeon |
| Columba delegorguei | Delegorgue's Pigeon | Eastern Bronze-naped Pigeon |
| Columba elphinstonii | Nilgiri Wood Pigeon | Nilgiri Wood-Pigeon |
| Columba eversmanni | Yellow-eyed Pigeon | Pale-backed Pigeon |
| Columba fasciata | Band-tailed Pigeon | Band-tailed Pigeon |
| Columba flavirostris | Red-billed Pigeon | Red-billed Pigeon |
| Columba goodsoni | Dusky Pigeon | Dusky Pigeon |
| Columba guinea | Speckled Pigeon | Speckled Pigeon |
| Columba hodgsonii | Speckled Wood Pigeon | Speckled Wood-Pigeon |
| Columba inornata | Plain Pigeon | Plain Pigeon |
| Columba iriditorques | Bronze-naped Pigeon | Western Bronze-naped Pigeon |
| Columba janthina | Black Wood Pigeon | Japanese Wood-Pigeon |
| Columba jouyi | Silver-banded Black Pigeon | Ryukyu Pigeon |
| Columba junoniae | Laurel Pigeon | Laurel Pigeon |
| Columba leucocephala | White-crowned Pigeon | White-crowned Pigeon |
| Columba leucomela | White-headed Pigeon | White-headed Pigeon |
| Columba leuconota | Snow Pigeon | Snow Pigeon |
| Columba livia | Feral Rock Pigeon | Rock Pigeon |
| Columba maculosa | Spotted Pigeon | Spot-winged Pigeon |
| Columba malherbii | Sao Thome Bronze-naped Pigeon | Sao Tome Bronze-naped Pigeon |
| Columba mayeri | Pink Pigeon | Pink Pigeon |
| Columba nigrirostris | Short-billed Pigeon | Short-billed Pigeon |
| Columba oenas | Stock Pigeon | Stock Pigeon |
| Columba oenops | Salvin's Pigeon | Peruvian Pigeon |
| Columba oliviae | Somali Pigeon | Somali Pigeon |
| Columba pallidiceps | Yellow-legged Pigeon | Yellow-legged Pigeon |
| Columba palumboides | Andaman Wood Pigeon | Andaman Wood-Pigeon |
| Columba palumbus | Wood Pigeon | Common Wood-Pigeon |
| Columba picazuro | Picazuro Pigeon | Picazuro Pigeon |
| Columba plumbea | Plumbeous Pigeon | Plumbeous Pigeon |
| Columba pollenii | Comoro Olive Pigeon | Comoro Olive-Pigeon |
| Columba pulchricollis | Ashy Wood Pigeon | Ashy Wood-Pigeon |
| Columba punicea | Pale-capped Pigeon | Pale-capped Pigeon |
| Columba rupestris | Eastern Rock Pigeon | Hill Pigeon |
| Columba speciosa | Scaled Pigeon | Scaled Pigeon |
| Columba squamosa | Red-necked Pigeon | Scaly-naped Pigeon |
| Columba subvinacea | Ruddy Pigeon | Ruddy Pigeon |
| Columba thomensis | Sao Thome Olive Pigeon | Sao Tome Olive-Pigeon |
| Columba torringtoni | Sri Lanka Wood Pigeon | Ceylon Wood-Pigeon |
| Columba trocaz | Trocaz Pigeon | Trocaz Pigeon |
| Columba unicincta | African Wood Pigeon | Afep Pigeon |
| Columba vitiensis | White-throated Pigeon | Metallic Pigeon |
| Columbina buckleyi | Ecuadorean Ground Dove | Ecuadorian Ground-Dove |
| Columbina cruziana | Gold-billed Ground Dove | Croaking Ground-Dove |
| Columbina cyanopis | Blue-eyed Ground Dove | Blue-eyed Ground-Dove |
| Columbina minuta | Plain-breasted Ground Dove | Plain-breasted Ground-Dove |
| Columbina passerina | Common Ground Dove | Common Ground-Dove |
| Columbina picui | Picui Dove | Picui Ground-Dove |
| Columbina talpacoti | Ruddy Ground Dove | Ruddy Ground-Dove |
| Compsothraupis loricata | Scarlet-throated Tanager | Scarlet-throated Tanager |
| Conioptilon mcilhennyi | Black-faced Cotinga | Black-faced Cotinga |
| Conirostrum albifrons | Capped Conebill | Capped Conebill |
| Conirostrum bicolor | Bicoloured Conebill | Bicolored Conebill |
| Conirostrum cinereum | Cinereous Conebill | Cinereous Conebill |
| Conirostrum ferrugineiventre | White-browed Conebill | White-browed Conebill |
| Conirostrum leucogenys | White-eared Conebill | White-eared Conebill |
| Conirostrum margaritae | Pearly-breasted Conebill | Pearly-breasted Conebill |
| Conirostrum rufum | Rufous-browed Conebill | Rufous-browed Conebill |
| Conirostrum sitticolor | Blue-backed Conebill | Blue-backed Conebill |
| Conirostrum speciosum | Chestnut-vented Conebill | Chestnut-vented Conebill |
| Conopias cinchoneti | Lemon-browed Flycatcher | Lemon-browed Flycatcher |
| Conopias parva | White-ringed Flycatcher | Yellow-throated Flycatcher |
| Conopias trivirgata | Three-striped Flycatcher | Three-striped Flycatcher |
| Conopophaga ardesiaca | Slaty Gnateater | Slaty Gnateater |
| Conopophaga aurita | Chestnut-belted Gnateater | Chestnut-belted Gnateater |
| Conopophaga castaneiceps | Chestnut-crowned Gnateater | Chestnut-crowned Gnateater |
| Conopophaga lineata | Rufous Gnateater | Rufous Gnateater |
| Conopophaga melanogaster | Black-bellied Gnateater | Black-bellied Gnateater |
| Conopophaga melanops | Black-cheeked Gnateater | Black-cheeked Gnateater |
| Conopophaga peruviana | Ash-throated Gnateater | Ash-throated Gnateater |
| Conopophaga roberti | Hooded Gnateater | Hooded Gnateater |
| Conopophila albogularis | Rufous-banded Honeyeater | Rufous-banded Honeyeater |
| Conopophila rufogularis | Red-throated Honeyeater | Rufous-throated Honeyeater |
| Conopophila whitei | Grey Honeyeater | Grey Honeyeater |
| Conostoma oemodium | Great Parrotbill | Great Parrotbill |
| Conothraupis mesoleuca | Cone-billed Tanager | Cone-billed Tanager |
| Conothraupis speculigera | Black & White Tanager | Black-and-white Tanager |
| Contopus albogularis | White-throated Pewee | White-throated Pewee |
| Contopus borealis | Olive-sided Flycatcher | Olive-sided Flycatcher |
| Contopus caribaeus | Greater Antillean Pewee | Greater Antillean Pewee |
| Contopus cinereus | Tropical Pewee | Tropical Pewee |
| Contopus fumigatus | Smoke-coloured Pewee | Smoke-colored Pewee |
| Contopus latirostris | Lesser Antillean Pewee | Lesser Antillean Pewee |
| Contopus nigrescens | Blackish Pewee | Blackish Pewee |
| Contopus ochraceus | Ochraceous Pewee | Ochraceous Pewee |
| Contopus sordidulus | Western Wood-Pewee | Western Wood-Pewee |
| Contopus virens | Eastern Wood-Pewee | Eastern Wood-Pewee |
| Copsychus albospecularis | Madagascar Magpie Robin | Madagascar Magpie-Robin |
| Copsychus luzoniensis | White-browed Shama | White-browed Shama |
| Copsychus malabaricus | White-rumped Shama | White-rumped Shama |
| Copsychus niger | Black Shama | White-vented Shama |
| Copsychus saularis | Magpie Robin | Oriental Magpie-Robin |
| Copsychus sechellarum | Seychelles Magpie Robin | Seychelles Magpie-Robin |
| Copsychus stricklandii | Strickland's Shama | White-crowned Shama |
| Coracias abyssinica | Abyssinian Roller | Abyssinian Roller |
| Coracias benghalensis | Indian Roller | Indian Roller |
| Coracias caudata | Lilac-breasted Roller | Lilac-breasted Roller |
| Coracias cyanogaster | Blue-bellied Roller | Blue-bellied Roller |
| Coracias garrulus | European Roller | European Roller |
| Coracias naevia | Rufous-crowned Roller | Rufous-crowned Roller |
| Coracias spatulata | Racket-tailed Roller | Racket-tailed Roller |
| Coracias temminckii | Sulawesi Roller | Purple-winged Roller |
| Coracina abbotti | Pygmy Cuckoo Shrike | Pygmy Cuckooshrike |
| Coracina analis | Caledonian Greybird | New Caledonian Cuckooshrike |
| Coracina atriceps | Moluccan Cuckoo Shrike | Moluccan Cuckooshrike |
| Coracina azurea | African Blue Cuckoo Shrike | Blue Cuckooshrike |
| Coracina bicolor | Pied Cuckoo Shrike | Pied Cuckooshrike |
| Coracina boyeri | White-lored Cuckoo Shrike | Boyer's Cuckooshrike |
| Coracina caeruleogrisea | Stout-billed Greybird | Stout-billed Cuckooshrike |
| Coracina caesia | African Grey Cuckoo Shrike | Grey Cuckooshrike |
| Coracina caledonica | Melanesian Greybird | Melanesian Cuckooshrike |
| Coracina ceramensis | Pale Cicadabird | Pale Cicadabird |
| Coracina cinerea | Madagascar Cuckoo Shrike | Ashy Cuckooshrike |
| Coracina coerulescens | Philippine Black Greybird | Blackish Cuckooshrike |
| Coracina dispar | Kai Cicadabird | Kai Cicadabird |
| Coracina dohertyi | Sumba Cicadabird | Sumba Cicadabird |
| Coracina fimbriata | Lesser Cuckoo Shrike | Lesser Cuckooshrike |
| Coracina fortis | Buru Islands Cuckoo Shrike | Buru Cuckooshrike |
| Coracina graueri | Grauer's Cuckoo Shrike | Grauer's Cuckooshrike |
| Coracina holopolia | Black-bellied Cuckoo Shrike | Solomon Islands Cuckooshrike |
| Coracina incerta | Papuan Cicadabird | Black-shouldered Cicadabird |
| Coracina javensis | Javan Cuckoo Shrike | Javan Cuckooshrike |
| Coracina larvata | Black-faced Greybird | Sunda Cuckooshrike |
| Coracina leucopygia | White-rumped Cuckoo Shrike | White-rumped Cuckooshrike |
| Coracina lineata | Lineated Cuckoo Shrike | Yellow-eyed Cuckooshrike |
| Coracina longicauda | Black-hooded Greybird | Hooded Cuckooshrike |
| Coracina macei | Large Cuckoo Shrike | Large Cuckooshrike |
| Coracina mcgregori | Sharp-tailed Greybird | McGregor's Cuckooshrike |
| Coracina melanoptera | Black-headed Cuckoo Shrike | Black-headed Cuckooshrike |
| Coracina melas | New Guinea Cuckoo Shrike | New Guinea Cuckooshrike |
| Coracina melaschistos | Dark-grey Cuckoo Shrike | Black-winged Cuckooshrike |
| Coracina mindanensis | Black-bibbed Cicadabird | Black-bibbed Cicadabird |
| Coracina montana | Black-bellied Greybird | Black-bellied Cuckooshrike |
| Coracina morio | Sulawesi Cicadabird | Sulawesi Cicadabird |
| Coracina newtoni | Reunion Greybird | Reunion Cuckooshrike |
| Coracina novaehollandiae | Black-faced Cuckoo Shrike | Black-faced Cuckooshrike |
| Coracina ostenta | White-winged Cuckoo Shrike | White-winged Cuckooshrike |
| Coracina papuensis | Papuan Cuckoo Shrike | White-bellied Cuckooshrike |
| Coracina parvula | Halmahera Cuckoo Shrike | Halmahera Cuckooshrike |
| Coracina pectoralis | White-breasted Cuckoo Shrike | White-breasted Cuckooshrike |
| Coracina personata | Wallacean Cuckoo Shrike | Wallacean Cuckooshrike |
| Coracina polioptera | Indochinese Cuckoo Shrike | Indochinese Cuckooshrike |
| Coracina schistacea | Slaty Cuckoo Shrike | Slaty Cuckooshrike |
| Coracina schisticeps | Grey-headed Cuckoo Shrike | Grey-headed Cuckooshrike |
| Coracina striata | Barred Cuckoo Shrike | Bar-bellied Cuckooshrike |
| Coracina sula | Sula Cicadabird | Sula Cicadabird |
| Coracina temminckii | Caerulean Cuckoo Shrike | Cerulean Cuckooshrike |
| Coracina tenuirostris | Common Cicadabird | Slender-billed Cicadabird |
| Coracina typica | Mauritius Greybird | Mauritius Cuckooshrike |
| Coracopsis nigra | Black Parrot | Black Parrot |
| Coracopsis vasa | Vasa Parrot | Vasa Parrot |
| Coracornis raveni | Maroon-backed Whistler | Maroon-backed Whistler |
| Coragyps atratus | American Black Vulture | Black Vulture |
| Corapipo gutturalis | White-throated Manakin | White-throated Manakin |
| Corapipo leucorrhoa | White-ruffed Manakin | White-bibbed Manakin |
| Corcorax melanorhamphos | White-winged Chough | White-winged Chough |
| Corvinella corvina | Yellow-billed Shrike | Yellow-billed Shrike |
| Corvinella melanoleuca | Magpie Shrike | Magpie Shrike |
| Corvus albicollis | African White-necked Raven | White-necked Raven |
| Corvus albus | Pied Crow | Pied Crow |
| Corvus bennetti | Little Crow | Little Crow |
| Corvus boreus | Relict Raven | Relict Raven |
| Corvus brachyrhynchos | American Crow | American Crow |
| Corvus capensis | Black Crow | Cape Crow |
| Corvus caurinus | Northwestern Crow | Northwestern Crow |
| Corvus corax | Common Raven | Common Raven |
| Corvus corone | Carrion Crow | Carrion Crow |
| Corvus coronoides | Australian Raven | Australian Raven |
| Corvus crassirostris | Thick-billed Raven | Thick-billed Raven |
| Corvus cryptoleucus | White-necked Raven | Chihuahuan Raven |
| Corvus dauuricus | Daurian Jackdaw | Daurian Jackdaw |
| Corvus enca | Slender-billed Crow | Slender-billed Crow |
| Corvus florensis | Flores Crow | Flores Crow |
| Corvus frugilegus | Rook | Rook |
| Corvus fuscicapillus | Brown-headed Crow | Brown-headed Crow |
| Corvus hawaiiensis | Hawaiian Crow | Hawaiian Crow |
| Corvus imparatus | Tamaulipas Crow | Tamaulipas Crow |
| Corvus jamaicensis | Jamaican Crow | Jamaican Crow |
| Corvus kubaryi | Marianas Crow | Mariana Crow |
| Corvus leucognaphalus | White-necked Crow | White-necked Crow |
| Corvus levaillantii | Jungle Crow | Jungle Crow |
| Corvus macrorhynchos | Large-billed Crow | Large-billed Crow |
| Corvus mellori | Little Raven | Little Raven |
| Corvus monedula | Jackdaw | Eurasian Jackdaw |
| Corvus moneduloides | New Caledonian Crow | New Caledonian Crow |
| Corvus nasicus | Cuban Crow | Cuban Crow |
| Corvus orru | Australian Crow | Torresian Crow |
| Corvus ossifragus | Fish Crow | Fish Crow |
| Corvus palmarum | Palm Crow | Palm Crow |
| Corvus rhipidurus | Fan-tailed Raven | Fan-tailed Raven |
| Corvus ruficollis | Brown-necked Raven | Brown-necked Raven |
| Corvus sinaloae | Sinaloa Crow | Sinaloa Crow |
| Corvus splendens | House Crow | House Crow |
| Corvus tasmanicus | Forest Raven | Forest Raven |
| Corvus torquatus | Collared Crow | Collared Crow |
| Corvus tristis | Grey Crow | Grey Crow |
| Corvus typicus | Piping Crow | Piping Crow |
| Corvus unicolor | Banggai Crow | Banggai Crow |
| Corvus validus | Moluccan Crow | Long-billed Crow |
| Corvus woodfordi | White-billed Crow | White-billed Crow |
| Corydon sumatranus | Dusky Broadbill | Dusky Broadbill |
| Coryphaspiza melanotis | Black-masked Finch | Black-masked Finch |
| Coryphistera alaudina | Lark-like Brushrunner | Lark-like Brushrunner |
| Coryphospingus cucullatus | Red-crested Finch | Red-crested Finch |
| Coryphospingus pileatus | Pileated Finch | Pileated Finch |
| Corythaeola cristata | Great Blue Turaco | Great Blue Turaco |
| Corythaixoides concolor | Go-away Bird | Grey Go-away-bird |
| Corythopis delalandi | Delalande's Antpipit | Southern Antpipit |
| Corythopis torquata | Ringed Antpipit | Ringed Antpipit |
| Coscoroba coscoroba | Coscoroba Swan | Coscoroba Swan |
| Cosmopsarus regius | Golden-breasted Starling | Golden-breasted Starling |
| Cosmopsarus unicolor | Ashy Starling | Ashy Starling |
| Cossypha albicapilla | White-crowned Robin Chat | White-crowned Robin-Chat |
| Cossypha anomala | Olive-flanked Robin Chat | Olive-flanked Robin-Chat |
| Cossypha archeri | Archer's Robin Chat | Archer's Robin-Chat |
| Cossypha caffra | Cape Robin Chat | Cape Robin-Chat |
| Cossypha cyanocampter | Blue-shouldered Robin Chat | Blue-shouldered Robin-Chat |
| Cossypha dichroa | Chorister Robin Chat | Chorister Robin-Chat |
| Cossypha heuglini | White-browed Robin Chat | White-browed Robin-Chat |
| Cossypha humeralis | White-throated Robin Chat | White-throated Robin-Chat |
| Cossypha isabellae | Mountain Robin Chat | Mountain Robin-Chat |
| Cossypha natalensis | Red-capped Robin Chat | Red-capped Robin-Chat |
| Cossypha niveicapilla | Snowy-crowned Robin Chat | Snowy-crowned Robin-Chat |
| Cossypha semirufa | Ruppell's Robin Chat | Rueppell's Robin-Chat |
| Cotinga amabilis | Lovely Cotinga | Lovely Cotinga |
| Cotinga cayana | Spangled Cotinga | Spangled Cotinga |
| Cotinga cotinga | Purple-breasted Cotinga | Purple-breasted Cotinga |
| Cotinga maculata | Banded Cotinga | Banded Cotinga |
| Cotinga maynana | Plum-throated Cotinga | Plum-throated Cotinga |
| Cotinga nattererii | Blue Cotinga | Blue Cotinga |
| Cotinga ridgwayi | Ridgway's Cotinga | Turquoise Cotinga |
| Coturnicops noveboracensis | Yellow Rail | Yellow Rail |
| Coturnix chinensis | Indian Blue Quail | Blue-breasted Quail |
| Coturnix coromandelica | Rain Quail | Rain Quail |
| Coturnix coturnix | Common Quail | Common Quail |
| Coturnix delegorguei | Harlequin Quail | Harlequin Quail |
| Coturnix japonica | Japanese Quail | Japanese Quail |
| Coturnix pectoralis | Pectoral Quail | Stubble Quail |
| Coturnix ypsilophora | Tasmanian Brown Quail | Brown Quail |
| Coua caerulea | Blue Madagascar Coucal | Blue Coua |
| Coua coquereli | Coquerel's Madagascar Coucal | Coquerel's Coua |
| Coua cristata | Crested Madagascar Coucal | Crested Coua |
| Coua cursor | Running Coucal | Running Coua |
| Coua gigas | Giant Madagascar Coucal | Giant Coua |
| Coua reynaudii | Red-footed Madagascar Coucal | Red-fronted Coua |
| Coua ruficeps | Red-capped Madagascar Coucal | Red-capped Coua |
| Coua serriana | Red-breasted Madagascar Coucal | Red-breasted Coua |
| Coua verreauxi | Southern Crested Madagascar Coucal | Verreaux's Coua |
| Cracticus cassicus | Black-headed Butcher Bird | Hooded Butcherbird |
| Cracticus louisiadensis | White-rumped Butcher Bird | Tagula Butcherbird |
| Cracticus mentalis | Black-backed Butcher Bird | Black-backed Butcherbird |
| Cracticus nigrogularis | Black-throated Butcher Bird | Pied Butcherbird |
| Cracticus quoyi | Black Butcher Bird | Black Butcherbird |
| Cracticus torquatus | Grey Butcher Bird | Grey Butcherbird |
| Crateroscelis murina | Lowland Mouse Warbler | Rusty Mouse-warbler |
| Crateroscelis nigrorufa | Mid-mountain Mouse Warbler | Bicolored Mouse-warbler |
| Crateroscelis robusta | Mountain Mouse Warbler | Mountain Mouse-warbler |
| Crax alberti | Blue-billed Curassow | Blue-knobbed Curassow |
| Crax alector | Black Curassow | Black Curassow |
| Crax blumenbachii | Red-billed Curassow | Red-billed Curassow |
| Crax daubentoni | Yellow-knobbed Curassow | Yellow-knobbed Curassow |
| Crax fasciolata | Bare-faced Curassow | Bare-faced Curassow |
| Crax globulosa | Wattled Curassow | Wattled Curassow |
| Crax rubra | Great Curassow | Great Curassow |
| Creagrus furcatus | Swallow-tailed Gull | Swallow-tailed Gull |
| Creatophora cinerea | Wattled Starling | Wattled Starling |
| Creurgops dentata | Slaty Tanager | Slaty Tanager |
| Creurgops verticalis | Rufous-crested Tanager | Rufous-crested Tanager |
| Crex crex | Corn Crake | Corn Crake |
| Crinifer piscator | Grey Plantain-eater | Western Grey Plantain-eater |
| Crinifer zonurus | Eastern Grey Plantain-eater | Eastern Grey Plantain-eater |
| Criniger barbatus | Bearded Bulbul | Bearded Bulbul |
| Criniger calurus | Red-tailed Bulbul | Red-tailed Bulbul |
| Criniger ndussumensis | White-bearded Bulbul | White-bearded Bulbul |
| Criniger olivaceus | Yellow-bearded Bulbul | Yellow-bearded Bulbul |
| Crocias albonotatus | Spotted Sibia | Spotted Crocias |
| Crocias langbianis | Mount Langbian Sibia | Grey-crowned Crocias |
| Crossoptilon auritum | Blue Eared-Pheasant | Blue Eared-Pheasant |
| Crossoptilon crossoptilon | White Eared-Pheasant | White Eared-Pheasant |
| Crossoptilon harmani | Tibetan Eared-Pheasant | Tibetan Eared-Pheasant |
| Crossoptilon mantchuricum | Brown Eared-Pheasant | Brown Eared-Pheasant |
| Crotophaga ani | Smooth-billed Ani | Smooth-billed Ani |
| Crotophaga major | Greater Ani | Greater Ani |
| Crotophaga sulcirostris | Groove-billed Ani | Groove-billed Ani |
| Crypsirina cucullata | Hooded Racquet-tailed Tree Pie | Hooded Treepie |
| Crypsirina temia | Black Racket-tailed Tree Pie | Racket-tailed Treepie |
| Cryptophaps poecilorrhoa | Sulawesi Dusky Pigeon | Sombre Pigeon |
| Cryptospiza jacksoni | Dusky Crimson-wing | Dusky Crimson-wing |
| Cryptospiza reichenovii | Red-faced Crimson-wing | Red-faced Crimson-wing |
| Cryptospiza salvadorii | Ethiopian Crimson-wing | Abyssinian Crimson-wing |
| Cryptospiza shelleyi | Shelley's Crimson-wing | Shelley's Crimson-wing |
| Crypturellus atrocapillus | Black-capped Tinamou | Black-capped Tinamou |
| Crypturellus bartletti | Bartlett's Tinamou | Bartlett's Tinamou |
| Crypturellus berlepschi | Berlepsch's Tinamou | Berlepsch's Tinamou |
| Crypturellus boucardi | Slaty-breasted Tinamou | Slaty-breasted Tinamou |
| Crypturellus brevirostris | Rusty Tinamou | Rusty Tinamou |
| Crypturellus casiquiare | Barred Tinamou | Barred Tinamou |
| Crypturellus cinereus | Cinereous Tinamou | Cinereous Tinamou |
| Crypturellus cinnamomeus | Thicket Tinamou | Thicket Tinamou |
| Crypturellus duidae | Grey-legged Tinamou | Grey-legged Tinamou |
| Crypturellus erythropus | Red-footed Tinamou | Red-legged Tinamou |
| Crypturellus kerriae | Choco Tinamou | Choco Tinamou |
| Crypturellus noctivagus | Yellow-legged Tinamou | Yellow-legged Tinamou |
| Crypturellus obsoletus | Brown Tinamou | Brown Tinamou |
| Crypturellus parvirostris | Small-billed Tinamou | Small-billed Tinamou |
| Crypturellus ptaritepui | Tepui Tinamou | Tepui Tinamou |
| Crypturellus soui | Little Tinamou | Little Tinamou |
| Crypturellus strigulosus | Brazilian Tinamou | Brazilian Tinamou |
| Crypturellus tataupa | Tataupa Tinamou | Tataupa Tinamou |
| Crypturellus transfasciatus | Pale-browed Tinamou | Pale-browed Tinamou |
| Crypturellus undulatus | Undulated Tinamou | Undulated Tinamou |
| Crypturellus variegatus | Variegated Tinamou | Variegated Tinamou |
| Cuculus canorus | Eurasian Cuckoo | Common Cuckoo |
| Cuculus clamosus | Black Cuckoo | Black Cuckoo |
| Cuculus crassirostris | Sulawesi Hawk Cuckoo | Sulawesi Hawk-Cuckoo |
| Cuculus fugax | Fugitive Hawk Cuckoo | Hodgson's Hawk-Cuckoo |
| Cuculus gularis | African Cuckoo | African Cuckoo |
| Cuculus micropterus | Short-winged Cuckoo | Indian Cuckoo |
| Cuculus pallidus | Pallid Cuckoo | Pallid Cuckoo |
| Cuculus poliocephalus | Small Cuckoo | Lesser Cuckoo |
| Cuculus rochii | Madagascar Cuckoo | Madagascar Cuckoo |
| Cuculus saturatus | Oriental Cuckoo | Oriental Cuckoo |
| Cuculus solitarius | Red-chested Cuckoo | Red-chested Cuckoo |
| Cuculus sparverioides | Large Hawk Cuckoo | Large Hawk-Cuckoo |
| Cuculus vagans | Small Hawk Cuckoo | Moustached Hawk-Cuckoo |
| Cuculus varius | Common Hawk Cuckoo | Common Hawk-Cuckoo |
| Culicicapa ceylonensis | Grey-headed Canary Flycatcher | Grey-headed Canary-Flycatcher |
| Culicicapa helianthea | Citrine Canary Flycatcher | Citrine Canary-Flycatcher |
| Culicivora caudacuta | Sharp-tailed Tyrant | Sharp-tailed Grass-Tyrant |
| Curaeus curaeus | Austral Blackbird | Austral Blackbird |
| Curaeus forbesi | Forbes's Blackbird | Forbes's Blackbird |
| Cursorius coromandelicus | Indian Courser | Indian Courser |
| Cursorius cursor | Cream-coloured Courser | Cream-colored Courser |
| Cursorius rufus | Burchell's Courser | Burchell's Courser |
| Cursorius temminckii | Temminck's Courser | Temminck's Courser |
| Cutia nipalensis | Nepal Cutia | Cutia |
| Cyanerpes caeruleus | Purple Honeycreeper | Purple Honeycreeper |
| Cyanerpes cyaneus | Red-legged Honeycreeper | Red-legged Honeycreeper |
| Cyanerpes lucidus | Shining Honeycreeper | Shining Honeycreeper |
| Cyanerpes nitidus | Short-billed Honeycreeper | Short-billed Honeycreeper |
| Cyanicterus cyanicterus | Blue-backed Tanager | Blue-backed Tanager |
| Cyanochen cyanopterus | Blue-winged Goose | Blue-winged Goose |
| Cyanocitta cristata | Blue Jay | Blue Jay |
| Cyanocitta stelleri | Steller's Jay | Steller's Jay |
| Cyanocompsa brissonii | Ultramarine Grosbeak | Ultramarine Grosbeak |
| Cyanocompsa cyanoides | Blue-black Grosbeak | Blue-black Grosbeak |
| Cyanocompsa parellina | Blue Bunting | Blue Bunting |
| Cyanocorax affinis | Black-chested Jay | Black-chested Jay |
| Cyanocorax caeruleus | Azure Jay | Azure Jay |
| Cyanocorax cayanus | Cayenne Jay | Cayenne Jay |
| Cyanocorax chrysops | Plush-crested Jay | Plush-crested Jay |
| Cyanocorax cristatellus | Curl-crested Jay | Curl-crested Jay |
| Cyanocorax cyanomelas | Purplish Jay | Purplish Jay |
| Cyanocorax cyanopogon | White-naped Jay | White-naped Jay |
| Cyanocorax dickeyi | Tufted Jay | Tufted Jay |
| Cyanocorax heilprini | Azure-naped Jay | Azure-naped Jay |
| Cyanocorax mystacalis | White-tailed Jay | White-tailed Jay |
| Cyanocorax violaceus | Violaceous Jay | Violaceous Jay |
| Cyanocorax yncas | Green Jay | Green Jay |
| Cyanolimnas cerverai | Zapata Rail | Zapata Rail |
| Cyanoliseus patagonus | Patagonian Conure | Burrowing Parakeet |
| Cyanoloxia glaucocaerulea | Indigo Grosbeak | Indigo Grosbeak |
| Cyanolyca argentigula | Silvery-throated Jay | Silvery-throated Jay |
| Cyanolyca armillata | Collared Jay | Black-collared Jay |
| Cyanolyca cucullata | Azure-hooded Jay | Azure-hooded Jay |
| Cyanolyca mirabilis | White-throated Jay | White-throated Jay |
| Cyanolyca nana | Dwarf Jay | Dwarf Jay |
| Cyanolyca pulchra | Beautiful Jay | Beautiful Jay |
| Cyanolyca pumilo | Black-throated Jay | Black-throated Jay |
| Cyanolyca turcosa | Turquoise Jay | Turquoise Jay |
| Cyanolyca viridicyana | White-collared Jay | White-collared Jay |
| Cyanophaia bicolor | Blue-headed Hummingbird | Blue-headed Hummingbird |
| Cyanopica cyana | Azure-winged Magpie | Azure-winged Magpie |
| Cyanopsitta spixii | Spix's Macaw | Little Blue Macaw |
| Cyanoptila cyanomelana | Blue & White Flycatcher | Blue-and-white Flycatcher |
| Cyanoramphus auriceps | Yellow-fronted Parakeet | Yellow-fronted Parakeet |
| Cyanoramphus cookii | Norfolk Parakeet | Norfolk Island Parakeet |
| Cyanoramphus novaezelandiae | Red-fronted Parakeet | Red-fronted Parakeet |
| Cyanoramphus unicolor | Antipodes Green Parakeet | Antipodes Parakeet |
| Cyclarhis gujanensis | Rufous-browed Pepper Shrike | Rufous-browed Peppershrike |
| Cyclarhis nigrirostris | Black-billed Pepper Shrike | Black-billed Peppershrike |
| Cyclorrhynchus psittacula | Parakeet Auklet | Parakeet Auklet |
| Cygnus atratus | Black Swan | Black Swan |
| Cygnus buccinator | Trumpeter Swan | Trumpeter Swan |
| Cygnus columbianus | Tundra Swan | Tundra Swan |
| Cygnus cygnus | Whooper Swan | Whooper Swan |
| Cygnus olor | Mute Swan | Mute Swan |
| Cymbilaimus lineatus | Fasciated Antshrike | Fasciated Antshrike |
| Cymbilaimus sanctaemariae | Bamboo Antshrike | Bamboo Antshrike |
| Cymbirhynchus macrorhynchos | Black & Red Broadbill | Black-and-red Broadbill |
| Cynanthus latirostris | Broad-billed Hummingbird | Broad-billed Hummingbird |
| Cynanthus sordidus | Dusky Hummingbird | Dusky Hummingbird |
| Cyphorhinus aradus | Musician Wren | Musician Wren |
| Cyphorhinus thoracicus | Chestnut-breasted Wren | Chestnut-breasted Wren |
| Cypseloides cherriei | Spot-fronted Swift | Spot-fronted Swift |
| Cypseloides cryptus | White-chinned Swift | White-chinned Swift |
| Cypseloides fumigatus | Sooty Swift | Sooty Swift |
| Cypseloides lemosi | White-chested Swift | White-chested Swift |
| Cypseloides phelpsi | Tepui Swift | Tepui Swift |
| Cypseloides rutilus | Chestnut-collared Swift | Chestnut-collared Swift |
| Cypseloides storeri | White-fronted Swift | White-fronted Swift |
| Cypsiurus parvus | African Palm Swift | African Palm-Swift |
| Cypsnagra hirundinacea | White-rumped Tanager | White-rumped Tanager |
| Cyrtonyx montezumae | Montezuma Quail | Montezuma Quail |
| Cyrtonyx ocellatus | Ocellated Quail | Ocellated Quail |
| Dacelo gaudichaud | Rufous-bellied Giant Kingfisher | Rufous-bellied Kookaburra |
| Dacelo leachii | Blue-winged Kookaburra | Blue-winged Kookaburra |
| Dacelo novaeguineae | Laughing Kookaburra | Laughing Kookaburra |
| Dacelo tyro | Aru Giant Kingfisher | Spangled Kookaburra |
| Dacnis albiventris | White-bellied Dacnis | White-bellied Dacnis |
| Dacnis berlepschi | Scarlet-breasted Dacnis | Scarlet-breasted Dacnis |
| Dacnis cayana | Blue Dacnis | Blue Dacnis |
| Dacnis flaviventer | Yellow-bellied Dacnis | Yellow-bellied Dacnis |
| Dacnis lineata | Black-faced Dacnis | Black-faced Dacnis |
| Dacnis nigripes | Black-legged Dacnis | Black-legged Dacnis |
| Dacnis venusta | Scarlet-thighed Dacnis | Scarlet-thighed Dacnis |
| Dacnis viguieri | Viridian Dacnis | Viridian Dacnis |
| Dactylortyx thoracicus | Singing Quail | Singing Quail |
| Damophila julie | Violet-bellied Hummingbird | Violet-bellied Hummingbird |
| Daphoenositta miranda | Pink-faced Nuthatch | Black Sittella |
| Daption capense | Pintado Petrel | Cape Petrel |
| Daptrius americanus | Red-throated Caracara | Red-throated Caracara |
| Daptrius ater | Yellow-throated Caracara | Black Caracara |
| Dasyornis brachypterus | Common Bristlebird | Eastern Bristlebird |
| Dasyornis broadbenti | Rufous Bristlebird | Rufous Bristlebird |
| Deconychura longicauda | Long-tailed Woodcreeper | Long-tailed Woodcreeper |
| Deconychura stictolaema | Spot-throated Woodcreeper | Spot-throated Woodcreeper |
| Delichon dasypus | Asian House Martin | Asian House-Martin |
| Delichon nipalensis | Nepal House Martin | Nepal House-Martin |
| Delichon urbica | Common House Martin | Northern House-Martin |
| Delothraupis castaneoventris | Chestnut-bellied Mountain Tanager | Chestnut-bellied Mountain-Tanager |
| Deltarhynchus flammulatus | Flammulated Flycatcher | Flammulated Flycatcher |
| Dendragapus canadensis | Spruce Grouse | Spruce Grouse |
| Dendragapus falcipennis | Siberian Spruce Grouse | Siberian Grouse |
| Dendragapus obscurus | Blue Grouse | Blue Grouse |
| Dendrexetastes rufigula | Cinnamon-throated Woodcreeper | Cinnamon-throated Woodcreeper |
| Dendrocincla anabatina | Tawny-winged Woodcreeper | Tawny-winged Woodcreeper |
| Dendrocincla fuliginosa | Plain-brown Woodcreeper | Plain-brown Woodcreeper |
| Dendrocincla homochroa | Ruddy Woodcreeper | Ruddy Woodcreeper |
| Dendrocincla merula | White-chinned Woodcreeper | White-chinned Woodcreeper |
| Dendrocincla tyrannina | Tyrannine Woodcreeper | Tyrannine Woodcreeper |
| Dendrocitta bayleyi | Andaman Tree Pie | Andaman Treepie |
| Dendrocitta formosae | Himalayan Tree Pie | Grey Treepie |
| Dendrocitta frontalis | Black-browed Tree Pie | Collared Treepie |
| Dendrocitta leucogastra | Southern Tree Pie | White-bellied Treepie |
| Dendrocitta occipitalis | Malaysian Tree Pie | Sunda Treepie |
| Dendrocitta vagabunda | Indian Tree Pie | Rufous Treepie |
| Dendrocolaptes certhia | Barred Woodcreeper | Barred Woodcreeper |
| Dendrocolaptes hoffmannsi | Hoffmann's Woodcreeper | Hoffmanns's Woodcreeper |
| Dendrocolaptes picumnus | Black-banded Woodcreeper | Black-banded Woodcreeper |
| Dendrocolaptes platyrostris | Planalto Woodcreeper | Planalto Woodcreeper |
| Dendrocygna arborea | Black-billed Whistling Duck | West Indian Whistling-Duck |
| Dendrocygna arcuata | Wandering Whistling Duck | Wandering Whistling-Duck |
| Dendrocygna autumnalis | Red-billed Whistling Duck | Black-bellied Whistling-Duck |
| Dendrocygna bicolor | Fulvous Whistling Duck | Fulvous Whistling-Duck |
| Dendrocygna eytoni | Plumed Whistling Duck | Plumed Whistling-Duck |
| Dendrocygna guttata | Spotted Whistling Duck | Spotted Whistling-Duck |
| Dendrocygna javanica | Indian Whistling Duck | Lesser Whistling-Duck |
| Dendrocygna viduata | White-faced Whistling Duck | White-faced Whistling-Duck |
| Dendroica adelaidae | Adelaide's Warbler | Adelaide's Warbler |
| Dendroica angelae | Elfin Woods Warbler | Elfin-woods Warbler |
| Dendroica caerulescens | Black-throated Blue Warbler | Black-throated Blue Warbler |
| Dendroica castanea | Bay-breasted Warbler | Bay-breasted Warbler |
| Dendroica cerulea | Cerulean Warbler | Cerulean Warbler |
| Dendroica coronata | Yellow-rumped Warbler | Yellow-rumped Warbler |
| Dendroica discolor | Prairie Warbler | Prairie Warbler |
| Dendroica dominica | Yellow-throated Warbler | Yellow-throated Warbler |
| Dendroica fusca | Blackburnian Warbler | Blackburnian Warbler |
| Dendroica graciae | Grace's Warbler | Grace's Warbler |
| Dendroica kirtlandii | Kirtland's Warbler | Kirtland's Warbler |
| Dendroica magnolia | Magnolia Warbler | Magnolia Warbler |
| Dendroica nigrescens | Black-throated Grey Warbler | Black-throated Grey Warbler |
| Dendroica occidentalis | Hermit Warbler | Hermit Warbler |
| Dendroica palmarum | Palm Warbler | Palm Warbler |
| Dendroica pensylvanica | Chestnut-sided Warbler | Chestnut-sided Warbler |
| Dendroica petechia | Yellow Warbler | Yellow Warbler |
| Dendroica pharetra | Arrow-headed Warbler | Arrowhead Warbler |
| Dendroica pinus | Pine Warbler | Pine Warbler |
| Dendroica pityophila | Olive-capped Warbler | Olive-capped Warbler |
| Dendroica plumbea | Plumbeous Warbler | Plumbeous Warbler |
| Dendroica striata | Blackpoll Warbler | Blackpoll Warbler |
| Dendroica tigrina | Cape May Warbler | Cape May Warbler |
| Dendroica townsendi | Townsend's Warbler | Townsend's Warbler |
| Dendroica virens | Black-throated Green Warbler | Black-throated Green Warbler |
| Dendroica vitellina | Vitelline Warbler | Vitelline Warbler |
| Dendronanthus indicus | Forest Wagtail | Forest Wagtail |
| Dendropicos abyssinicus | Gold-mantled Woodpecker | Abyssinian Woodpecker |
| Dendropicos elachus | Little Grey Woodpecker | Little Grey Woodpecker |
| Dendropicos elliotii | Elliot's Woodpecker | Elliot's Woodpecker |
| Dendropicos fuscescens | Cardinal Woodpecker | Cardinal Woodpecker |
| Dendropicos gabonensis | Gabon Woodpecker | Gabon Woodpecker |
| Dendropicos goertae | Grey Woodpecker | Grey Woodpecker |
| Dendropicos griseocephalus | Olive Woodpecker | Olive Woodpecker |
| Dendropicos namaquus | Bearded Woodpecker | Bearded Woodpecker |
| Dendropicos poecilolaemus | Speckle-breasted Woodpecker | Speckle-breasted Woodpecker |
| Dendropicos pyrrhogaster | Fire-bellied Woodpecker | Fire-bellied Woodpecker |
| Dendropicos spodocephalus | Grey-headed Woodpecker | Grey-headed Woodpecker |
| Dendropicos stierlingi | Stierling's Woodpecker | Stierling's Woodpecker |
| Dendropicos xantholophus | Yellow-crested Woodpecker | Golden-crowned Woodpecker |
| Dendrortyx barbatus | Bearded Tree Quail | Bearded Wood-Partridge |
| Dendrortyx leucophrys | Buffy-crowned Tree Quail | Buffy-crowned Wood-Partridge |
| Dendrortyx macroura | Long-tailed Tree Quail | Long-tailed Wood-Partridge |
| Deroptyus accipitrinus | Hawk-headed Parrot | Red-fan Parrot |
| Dicaeum aeneum | Solomon Islands Flowerpecker | Midget Flowerpecker |
| Dicaeum agile | Thick-billed Flowerpecker | Thick-billed Flowerpecker |
| Dicaeum annae | Sunda Flowerpecker | Golden-rumped Flowerpecker |
| Dicaeum anthonyi | Yellow-crowned Flowerpecker | Flame-crowned Flowerpecker |
| Dicaeum aureolimbatum | Yellow-sided Flowerpecker | Yellow-sided Flowerpecker |
| Dicaeum australe | Philippine Flowerpecker | Red-striped Flowerpecker |
| Dicaeum bicolor | Bicoloured Flowerpecker | Bicolored Flowerpecker |
| Dicaeum celebicum | Black-sided Flowerpecker | Grey-sided Flowerpecker |
| Dicaeum chrysorrheum | Yellow-vented Flowerpecker | Yellow-vented Flowerpecker |
| Dicaeum concolor | Plain Flowerpecker | Plain Flowerpecker |
| Dicaeum cruentatum | Scarlet-backed Flowerpecker | Scarlet-backed Flowerpecker |
| Dicaeum erythrorhynchos | Tickell's Flowerpecker | Pale-billed Flowerpecker |
| Dicaeum erythrothorax | White-throated Flowerpecker | Flame-breasted Flowerpecker |
| Dicaeum everetti | Brown-backed Flowerpecker | Brown-backed Flowerpecker |
| Dicaeum eximium | New Ireland Flowerpecker | Red-banded Flowerpecker |
| Dicaeum geelvinkianum | Red-capped Flowerpecker | Red-capped Flowerpecker |
| Dicaeum hirundinaceum | Mistletoe Flowerpecker | Mistletoebird |
| Dicaeum hypoleucum | White-bellied Flowerpecker | Buzzing Flowerpecker |
| Dicaeum igniferum | Black-banded Flowerpecker | Black-fronted Flowerpecker |
| Dicaeum ignipectus | Green-backed Flowerpecker | Fire-breasted Flowerpecker |
| Dicaeum maugei | Blue-cheeked Flowerpecker | Red-chested Flowerpecker |
| Dicaeum melanoxanthum | Yellow-bellied Flowerpecker | Yellow-bellied Flowerpecker |
| Dicaeum monticolum | Bornean Fire-breasted Flowerpecker | Black-sided Flowerpecker |
| Dicaeum nehrkorni | Red-headed Flowerpecker | Crimson-crowned Flowerpecker |
| Dicaeum nigrilore | Olive-capped Flowerpecker | Olive-capped Flowerpecker |
| Dicaeum nitidum | Louisiade Flowerpecker | Louisiade Flowerpecker |
| Dicaeum pectorale | Olive-crowned Flowerpecker | Olive-crowned Flowerpecker |
| Dicaeum proprium | Grey-breasted Flowerpecker | Whiskered Flowerpecker |
| Dicaeum pygmaeum | Palawan Flowerpecker | Pygmy Flowerpecker |
| Dicaeum retrocinctum | Mindoro Flowerpecker | Scarlet-collared Flowerpecker |
| Dicaeum sanguinolentum | Blood-breasted Flowerpecker | Blood-breasted Flowerpecker |
| Dicaeum trigonostigma | Orange-bellied Flowerpecker | Orange-bellied Flowerpecker |
| Dicaeum tristrami | San Cristobal Flowerpecker | Mottled Flowerpecker |
| Dicaeum trochileum | Scarlet-headed Flowerpecker | Scarlet-headed Flowerpecker |
| Dicaeum vincens | Legge's Flowerpecker | White-throated Flowerpecker |
| Dicaeum vulneratum | Ashy-fronted Flowerpecker | Ashy Flowerpecker |
| Dichrozona cincta | Banded Antcatcher | Banded Antbird |
| Dicrurus adsimilis | Fork-tailed Drongo | Fork-tailed Drongo |
| Dicrurus aeneus | Bronzed Drongo | Bronzed Drongo |
| Dicrurus aldabranus | Aldabra Drongo | Aldabra Drongo |
| Dicrurus andamanensis | Andaman Drongo | Andaman Drongo |
| Dicrurus annectans | Crow-billed Drongo | Crow-billed Drongo |
| Dicrurus atripennis | Shining Drongo | Shining Drongo |
| Dicrurus balicassius | Balicassio Drongo | Balicassiao |
| Dicrurus bracteatus | Spangled Drongo | Spangled Drongo |
| Dicrurus caerulescens | White-bellied Drongo | White-bellied Drongo |
| Dicrurus densus | Wallacean Drongo | Wallacean Drongo |
| Dicrurus forficatus | Crested Drongo | Crested Drongo |
| Dicrurus fuscipennis | Comoro Drongo | Comoro Drongo |
| Dicrurus hottentottus | Hair-crested Drongo | Hair-crested Drongo |
| Dicrurus leucophaeus | Ashy Drongo | Ashy Drongo |
| Dicrurus ludwigii | Square-tailed Drongo | Square-tailed Drongo |
| Dicrurus macrocercus | Black Drongo | Black Drongo |
| Dicrurus megarhynchus | New Ireland Drongo | Ribbon-tailed Drongo |
| Dicrurus paradiseus | Greater Racket-tailed Drongo | Greater Racket-tailed Drongo |
| Dicrurus remifer | Lesser Racket-tailed Drongo | Lesser Racket-tailed Drongo |
| Dicrurus sumatranus | Sumatran Drongo | Sumatran Drongo |
| Dicrurus waldenii | Mayotte Drongo | Mayotte Drongo |
| Didunculus strigirostris | Tooth-billed Pigeon | Tooth-billed Pigeon |
| Diglossa albilatera | White-sided Flowerpiercer | White-sided Flower-piercer |
| Diglossa baritula | Slaty Flowerpiercer | Cinnamon-bellied Flower-piercer |
| Diglossa carbonaria | Coal-black Flowerpiercer | Grey-bellied Flower-piercer |
| Diglossa duidae | Scaled Flowerpiercer | Scaled Flower-piercer |
| Diglossa lafresnayii | Glossy Flowerpiercer | Glossy Flower-piercer |
| Diglossa major | Greater Flowerpiercer | Greater Flower-piercer |
| Diglossa venezuelensis | Venezuelan Flowerpiercer | Venezuelan Flower-piercer |
| Diglossopis caerulescens | Bluish Flowerpiercer | Bluish Flower-piercer |
| Diglossopis cyanea | Masked Flowerpiercer | Masked Flower-piercer |
| Diglossopis glauca | Deep-blue Flowerpiercer | Deep-blue Flower-piercer |
| Dinemellia dinemelli | White-headed Buffalo Weaver | White-headed Buffalo-Weaver |
| Dinopium benghalense | Lesser Flame-backed Woodpecker | Black-rumped Flameback |
| Dinopium javanense | Common Gold-backed Woodpecker | Common Flameback |
| Dinopium rafflesii | Olive-backed Woodpecker | Olive-backed Woodpecker |
| Dinopium shorii | Himalayan Gold-backed Woodpecker | Himalayan Flameback |
| Diomedea albatrus | Short-tailed Albatross | Short-tailed Albatross |
| Diomedea amsterdamensis | Amsterdam Island Albatross | Amsterdam Island Albatross |
| Diomedea bulleri | Buller's Albatross | Buller's Albatross |
| Diomedea cauta | Shy Albatross | Shy Albatross |
| Diomedea chlororhynchos | Yellow-nosed Albatross | Yellow-nosed Albatross |
| Diomedea chrysostoma | Grey-headed Albatross | Grey-headed Albatross |
| Diomedea epomophora | Royal Albatross | Royal Albatross |
| Diomedea exulans | Wandering Albatross | Wandering Albatross |
| Diomedea immutabilis | Laysan Albatross | Laysan Albatross |
| Diomedea irrorata | Waved Albatross | Waved Albatross |
| Diomedea melanophris | Black-browed Albatross | Black-browed Albatross |
| Diomedea nigripes | Black-footed Albatross | Black-footed Albatross |
| Discosura longicauda | Racket-tailed Coquette | Racket-tailed Coquette |
| Diuca diuca | Common Diuca Finch | Common Diuca-Finch |
| Diuca speculifera | White-winged Diuca Finch | White-winged Diuca-Finch |
| Dives atroviolacea | Cuban Blackbird | Cuban Blackbird |
| Dives dives | Melodious Blackbird | Melodious Blackbird |
| Dives warszewiczi | Scrub Blackbird | Scrub Blackbird |
| Dolichonyx oryzivorus | Bobolink | Bobolink |
| Dolospingus fringilloides | White-naped Seedeater | White-naped Seedeater |
| Donacobius atricapillus | Black-capped Mocking Thrush | Black-capped Donacobius |
| Donacospiza albifrons | Long-tailed Reed Finch | Long-tailed Reed-Finch |
| Doricha eliza | Mexican Sheartail | Mexican Sheartail |
| Doricha enicura | Slender Sheartail | Slender Sheartail |
| Doryfera johannae | Blue-fronted Lancebill | Blue-fronted Lancebill |
| Drepanoptila holosericea | Cloven-feathered Dove | Cloven-feathered Dove |
| Dromaius novaehollandiae | Emu | Emu |
| Dromas ardeola | Crab Plover | Crab Plover |
| Dromococcyx pavoninus | Pavonine Cuckoo | Pavonine Cuckoo |
| Dromococcyx phasianellus | Pheasant Cuckoo | Pheasant Cuckoo |
| Drymocichla incana | Red-winged Grey Warbler | Red-winged Grey Warbler |
| Drymodes brunneopygia | Southern Scrub Robin | Southern Scrub-Robin |
| Drymodes superciliaris | Northern Scrub Robin | Northern Scrub-Robin |
| Drymophila caudata | Long-tailed Antbird | Long-tailed Antbird |
| Drymophila devillei | Striated Antbird | Striated Antbird |
| Drymophila ferruginea | Ferruginous Antbird | Ferruginous Antbird |
| Drymophila genei | Rufous-tailed Antbird | Rufous-tailed Antbird |
| Drymophila malura | Dusky-tailed Antbird | Dusky-tailed Antbird |
| Drymophila ochropyga | Ochre-rumped Antbird | Ochre-rumped Antbird |
| Drymophila rubricollis | Bertoni's Antwren | Bertoni's Antbird |
| Drymophila squamata | Scaled Antbird | Scaled Antbird |
| Drymornis bridgesii | Scimitar-billed Woodhewer | Scimitar-billed Woodcreeper |
| Dryocopus galeatus | Helmeted Woodpecker | Helmeted Woodpecker |
| Dryocopus javensis | White-bellied Woodpecker | White-bellied Woodpecker |
| Dryocopus lineatus | Lineated Woodpecker | Lineated Woodpecker |
| Dryocopus martius | Black Woodpecker | Black Woodpecker |
| Dryocopus pileatus | Pileated Woodpecker | Pileated Woodpecker |
| Dryocopus schulzi | Black-bodied Woodpecker | Black-bodied Woodpecker |
| Dryoscopus angolensis | Pink-footed Puffback | Pink-footed Puffback |
| Dryoscopus cubla | Black-backed Puffback | Black-backed Puffback |
| Dryoscopus gambensis | Puffback | Northern Puffback |
| Dryoscopus pringlii | Pringle's Puffback | Pringle's Puffback |
| Dryoscopus sabini | Sabine's Puffback | Large-billed Puffback |
| Dryoscopus senegalensis | Red-eyed Puffback | Red-eyed Puffback |
| Dryotriorchis spectabilis | Congo Serpent Eagle | Congo Serpent-Eagle |
| Dubusia taeniata | Buff-breasted Mountain Tanager | Buff-breasted Mountain-Tanager |
| Ducula aenea | Green Imperial Pigeon | Green Imperial-Pigeon |
| Ducula aurorae | Society Islands Pigeon | Polynesian Imperial-Pigeon |
| Ducula badia | Mountain Imperial Pigeon | Mountain Imperial-Pigeon |
| Ducula bakeri | Baker's Pigeon | Baker's Imperial-Pigeon |
| Ducula basilica | Moluccan Rufous-bellied Fruit Pigeon | Cinnamon-bellied Imperial-Pigeon |
| Ducula bicolor | Pied Imperial Pigeon | Pied Imperial-Pigeon |
| Ducula brenchleyi | Chestnut-bellied Pigeon | Chestnut-bellied Imperial-Pigeon |
| Ducula carola | Grey-necked Fruit Pigeon | Spotted Imperial-Pigeon |
| Ducula chalconota | Mountain Rufous-bellied Fruit Pigeon | Shining Imperial-Pigeon |
| Ducula cineracea | Timor Imperial Pigeon | Timor Imperial-Pigeon |
| Ducula concinna | Blue-tailed Imperial Pigeon | Elegant Imperial-Pigeon |
| Ducula constans | Kimberley Imperial Pigeon | Kimberley Imperial-Pigeon |
| Ducula finschii | Finsch's Rufous-bellied Fruit Pigeon | Finsch's Imperial-Pigeon |
| Ducula forsteni | Green & White Zone-tailed Pigeon | White-bellied Imperial-Pigeon |
| Ducula galeata | Marquesas Pigeon | Marquesan Imperial-Pigeon |
| Ducula goliath | New Caledonian Pigeon | New Caledonian Imperial-Pigeon |
| Ducula lacernulata | Dark-backed Imperial Pigeon | Dark-backed Imperial-Pigeon |
| Ducula latrans | Peale's Pigeon | Peale's Imperial-Pigeon |
| Ducula luctuosa | Sulawesi Pied Imperial Pigeon | White Imperial-Pigeon |
| Ducula melanochroa | Black Imperial Pigeon | Bismarck Imperial-Pigeon |
| Ducula mindorensis | Mindoro Zone-tailed Pigeon | Mindoro Imperial-Pigeon |
| Ducula mullerii | Black-collared Fruit Pigeon | Collared Imperial-Pigeon |
| Ducula myristicivora | Black-knobbed Pigeon | Spice Imperial-Pigeon |
| Ducula oceanica | Micronesian Pigeon | Micronesian Imperial-Pigeon |
| Ducula pacifica | Pacific Pigeon | Pacific Imperial-Pigeon |
| Ducula perspicillata | White-eyed Imperial Pigeon | White-eyed Imperial-Pigeon |
| Ducula pickeringii | Grey Imperial Pigeon | Grey Imperial-Pigeon |
| Ducula pinon | Pinon Imperial Pigeon | Pinon Imperial-Pigeon |
| Ducula pistrinaria | Island Imperial Pigeon | Island Imperial-Pigeon |
| Ducula poliocephala | Philippine Zone-tailed Pigeon | Pink-bellied Imperial-Pigeon |
| Ducula radiata | Grey-headed Zone-tailed Pigeon | Grey-headed Imperial-Pigeon |
| Ducula rosacea | Pink-headed Imperial Pigeon | Pink-headed Imperial-Pigeon |
| Ducula rubricera | Red-knobbed Pigeon | Red-knobbed Imperial-Pigeon |
| Ducula rufigaster | Rufous-bellied Fruit Pigeon | Purple-tailed Imperial-Pigeon |
| Ducula spilorrhoa | Australian Pied Imperial Pigeon | Torresian Imperial-Pigeon |
| Ducula subflavescens | Yellow-tinted Imperial Pigeon | Yellow-tinted Imperial-Pigeon |
| Ducula whartoni | Christmas Island Imperial Pigeon | Christmas Island Imperial-Pigeon |
| Ducula zoeae | Banded Imperial Pigeon | Banded Imperial-Pigeon |
| Dulus dominicus | Palmchat | Palmchat |
| Dumetella carolinensis | Catbird | Grey Catbird |
| Dumetia hyperythra | Rufous-bellied Babbler | Tawny-bellied Babbler |
| Dysithamnus mentalis | Plain Antvireo | Plain Antvireo |
| Dysithamnus occidentalis | Western Antvireo | Bicolored Antvireo |
| Dysithamnus plumbeus | Plumbeous Antvireo | Plumbeous Antvireo |
| Dysithamnus puncticeps | Spot-crowned Antvireo | Spot-crowned Antvireo |
| Dysithamnus stictothorax | Spot-breasted Antvireo | Spot-breasted Antvireo |
| Dysithamnus striaticeps | Streak-crowned Antvireo | Streak-crowned Antvireo |
| Dysithamnus xanthopterus | Rufous-backed Antvireo | Rufous-backed Antvireo |
| Eclectus roratus | Eclectus Parrot | Eclectus Parrot |
| Egretta ardesiaca | Black Heron | Black Heron |
| Egretta caerulea | Little Blue Heron | Little Blue Heron |
| Egretta eulophotes | Swinhoe's Egret | Chinese Egret |
| Egretta garzetta | Little Egret | Little Egret |
| Egretta novaehollandiae | White-faced Egret | White-faced Heron |
| Egretta rufescens | Reddish Egret | Reddish Egret |
| Egretta sacra | Reef Heron | Pacific Reef-Egret |
| Egretta thula | Snowy Egret | Snowy Egret |
| Egretta tricolor | Louisiana Heron | Tricolored Heron |
| Egretta vinaceigula | Slaty Egret | Slaty Egret |
| Elaenia albiceps | White-crested Elaenia | White-crested Elaenia |
| Elaenia chiriquensis | Lesser Elaenia | Lesser Elaenia |
| Elaenia cristata | Plain-crested Elaenia | Plain-crested Elaenia |
| Elaenia dayi | Great Elaenia | Great Elaenia |
| Elaenia fallax | Greater Antillean Elaenia | Greater Antillean Elaenia |
| Elaenia flavogaster | Yellow-bellied Elaenia | Yellow-bellied Elaenia |
| Elaenia frantzii | Mountain Elaenia | Mountain Elaenia |
| Elaenia gigas | Mottle-backed Elaenia | Mottle-backed Elaenia |
| Elaenia martinica | Caribbean Elaenia | Caribbean Elaenia |
| Elaenia mesoleuca | Olivaceous Elaenia | Olivaceous Elaenia |
| Elaenia obscura | Highland Elaenia | Highland Elaenia |
| Elaenia pallatangae | Sierran Elaenia | Sierran Elaenia |
| Elaenia parvirostris | Small-billed Elaenia | Small-billed Elaenia |
| Elaenia pelzelni | Brownish Elaenia | Brownish Elaenia |
| Elaenia ruficeps | Rufous-crowned Elaenia | Rufous-crowned Elaenia |
| Elaenia spectabilis | Large Elaenia | Large Elaenia |
| Elaenia strepera | Slaty Elaenia | Slaty Elaenia |
| Elanoides forficatus | Swallow-tailed Kite | Swallow-tailed Kite |
| Elanus axillaris | Australian Black-shouldered Kite | Black-shouldered Kite |
| Elanus caeruleus | Black-shouldered Kite | Black-winged Kite |
| Elanus leucurus | White-tailed Kite | White-tailed Kite |
| Elanus scriptus | Letter-winged Kite | Letter-winged Kite |
| Electron carinatum | Keel-billed Motmot | Keel-billed Motmot |
| Electron platyrhynchum | Broad-billed Motmot | Broad-billed Motmot |
| Eleothreptus anomalus | Sickle-winged Nightjar | Sickle-winged Nightjar |
| Elminia albicauda | White-tailed Blue Flycatcher | White-tailed Blue-Flycatcher |
| Elminia longicauda | Blue Flycatcher | African Blue-Flycatcher |
| Elvira chionura | White-tailed Emerald | White-tailed Emerald |
| Elvira cupreiceps | Coppery-headed Emerald | Coppery-headed Emerald |
| Emberiza affinis | Brown-rumped Bunting | Brown-rumped Bunting |
| Emberiza aureola | Yellow-breasted Bunting | Yellow-breasted Bunting |
| Emberiza bruniceps | Red-headed Bunting | Red-headed Bunting |
| Emberiza buchanani | Grey-necked Bunting | Grey-necked Bunting |
| Emberiza cabanisi | Cabanis's Yellow Bunting | Cabanis's Bunting |
| Emberiza caesia | Cretzschmar's Bunting | Cretzschmar's Bunting |
| Emberiza capensis | Cape Bunting | Cape Bunting |
| Emberiza chrysophrys | Yellow-browed Bunting | Yellow-browed Bunting |
| Emberiza cia | Rock Bunting | Rock Bunting |
| Emberiza cineracea | Cinereous Bunting | Cinereous Bunting |
| Emberiza cioides | Siberian Meadow Bunting | Meadow Bunting |
| Emberiza cirlus | Cirl Bunting | Cirl Bunting |
| Emberiza citrinella | Yellowhammer | Yellowhammer |
| Emberiza elegans | Yellow-headed Bunting | Yellow-throated Bunting |
| Emberiza flaviventris | Golden-breasted Bunting | African Golden-breasted Bunting |
| Emberiza fucata | Grey-hooded Bunting | Chestnut-eared Bunting |
| Emberiza hortulana | Ortolan Bunting | Ortolan Bunting |
| Emberiza impetuani | Larklike Bunting | Lark-like Bunting |
| Emberiza jankowskii | Jankowski's Bunting | Rufous-backed Bunting |
| Emberiza koslowi | Koslow's Bunting | Tibetan Bunting |
| Emberiza leucocephalos | Pine Bunting | Pine Bunting |
| Emberiza melanocephala | Black-headed Bunting | Black-headed Bunting |
| Emberiza pallasi | Pallas' Reed Bunting | Pallas's Bunting |
| Emberiza poliopleura | Somali Golden-breasted Bunting | Somali Golden-breasted Bunting |
| Emberiza pusilla | Little Bunting | Little Bunting |
| Emberiza rustica | Rustic Bunting | Rustic Bunting |
| Emberiza rutila | Chestnut Bunting | Chestnut Bunting |
| Emberiza schoeniclus | Reed Bunting | Reed Bunting |
| Emberiza socotrana | Socotra Mountain Bunting | Socotra Bunting |
| Emberiza spodocephala | Black-faced Bunting | Black-faced Bunting |
| Emberiza stewarti | White-capped Bunting | Chestnut-breasted Bunting |
| Emberiza striolata | House Bunting | House Bunting |
| Emberiza sulphurata | Japanese Yellow Bunting | Yellow Bunting |
| Emberiza tahapisi | Cinnamon-breasted Rock Bunting | Cinnamon-breasted Bunting |
| Emberiza tristrami | Tristram's Bunting | Tristram's Bunting |
| Emberiza variabilis | Japanese Grey Bunting | Grey Bunting |
| Emberiza yessoensis | Japanese Reed Bunting | Ochre-rumped Bunting |
| Emberizoides duidae | Mount Duida Grass Finch | Duida Grass-Finch |
| Emberizoides herbicola | Wedge-tailed Grass Finch | Wedge-tailed Grass-Finch |
| Emberizoides ypiranganus | Lesser Grass Finch | Grey-cheeked Grass-Finch |
| Embernagra longicauda | Buff-throated Pampa Finch | Pale-throated Pampa-Finch |
| Embernagra platensis | Great Pampa Finch | Great Pampa-Finch |
| Emblema pictum | Painted Finch | Painted Firetail |
| Empidonax affinis | Pine Flycatcher | Pine Flycatcher |
| Empidonax albigularis | White-throated Flycatcher | White-throated Flycatcher |
| Empidonax alnorum | Alder Flycatcher | Alder Flycatcher |
| Empidonax atriceps | Black-capped Flycatcher | Black-capped Flycatcher |
| Empidonax difficilis | Pacific Slope Flycatcher | Pacific-slope Flycatcher |
| Empidonax flavescens | Yellowish Flycatcher | Yellowish Flycatcher |
| Empidonax flaviventris | Yellow-bellied Flycatcher | Yellow-bellied Flycatcher |
| Empidonax fulvifrons | Buff-breasted Flycatcher | Buff-breasted Flycatcher |
| Empidonax hammondii | Hammond's Flycatcher | Hammond's Flycatcher |
| Empidonax minimus | Least Flycatcher | Least Flycatcher |
| Empidonax oberholseri | Wright's Flycatcher | Dusky Flycatcher |
| Empidonax occidentalis | Cordilleran Flycatcher | Cordilleran Flycatcher |
| Empidonax traillii | Traill's Flycatcher | Willow Flycatcher |
| Empidonax virescens | Acadian Flycatcher | Acadian Flycatcher |
| Empidonax wrightii | Grey Flycatcher | Grey Flycatcher |
| Empidonomus varius | Variegated Flycatcher | Variegated Flycatcher |
| Enicognathus ferrugineus | Austral Conure | Austral Parakeet |
| Enicognathus leptorhynchus | Slender-billed Conure | Slender-billed Parakeet |
| Enicurus immaculatus | Black-backed Forktail | Black-backed Forktail |
| Enicurus leschenaulti | White-crowned Forktail | White-crowned Forktail |
| Enicurus maculatus | Spotted Forktail | Spotted Forktail |
| Enicurus ruficapillus | Chestnut-backed Forktail | Chestnut-naped Forktail |
| Enicurus schistaceus | Slaty-backed Forktail | Slaty-backed Forktail |
| Enicurus scouleri | Little Forktail | Little Forktail |
| Enicurus velatus | Lesser Forktail | Sunda Forktail |
| Enodes erythrophris | Fiery-browed Enodes Starling | Fiery-browed Myna |
| Ensifera ensifera | Sword-billed Hummingbird | Sword-billed Hummingbird |
| Entomodestes coracinus | Black Solitaire | Black Solitaire |
| Entomodestes leucotis | White-eared Solitaire | White-eared Solitaire |
| Entomyzon cyanotis | Blue-faced Honeyeater | Blue-faced Honeyeater |
| Eolophus roseicapillus | Galah | Galah |
| Eopsaltria australis | Yellow Robin | Yellow Robin |
| Eopsaltria flaviventris | Yellow-bellied Robin | Yellow-bellied Robin |
| Eopsaltria georgiana | White-breasted Robin | White-breasted Robin |
| Eos bornea | Red Lory | Red Lory |
| Eos cyanogenia | Black-winged Lory | Black-winged Lory |
| Eos histrio | Red & Blue Lory | Red-and-blue Lory |
| Eos reticulata | Blue-streaked Lory | Blue-streaked Lory |
| Eos semilarvata | Blue-eared Lory | Blue-eared Lory |
| Eos squamata | Violet-necked Lory | Violet-necked Lory |
| Ephippiorhynchus asiaticus | Black-necked Stork | Black-necked Stork |
| Ephippiorhynchus senegalensis | Saddle-bill Stork | Saddle-billed Stork |
| Epimachus fastuosus | Black Sicklebill | Black Sicklebill |
| Epimachus meyeri | Brown Sicklebill | Brown Sicklebill |
| Epthianura albifrons | White-faced Chat | White-fronted Chat |
| Epthianura aurifrons | Orange Chat | Orange Chat |
| Epthianura crocea | Yellow Chat | Yellow Chat |
| Epthianura tricolor | Crimson Chat | Crimson Chat |
| Eremalauda dunni | Dunn's Lark | Dunn's Lark |
| Eremalauda starki | Stark's Lark | Stark's Lark |
| Eremiornis carteri | Spinifex Bird | Spinifex-bird |
| Eremobius phoenicurus | Band-tailed Earthcreeper | Band-tailed Earthcreeper |
| Eremomela atricollis | Black-necked Eremomela | Black-necked Eremomela |
| Eremomela badiceps | Brown-crowned Eremomela | Rufous-crowned Eremomela |
| Eremomela canescens | Green-backed Eremomela | Green-backed Eremomela |
| Eremomela flavicrissalis | Yellow-vented Eremomela | Yellow-vented Eremomela |
| Eremomela gregalis | Yellow-rumped Eremomela | Yellow-rumped Eremomela |
| Eremomela icteropygialis | Yellow-bellied Eremomela | Yellow-bellied Eremomela |
| Eremomela pusilla | Smaller Green-backed Eremomela | Senegal Eremomela |
| Eremomela scotops | Green-cap Eremomela | Greencap Eremomela |
| Eremomela turneri | Turner's Eremomela | Turner's Eremomela |
| Eremomela usticollis | Burnt-neck Eremomela | Burnt-neck Eremomela |
| Eremophila alpestris | Horned Lark | Horned Lark |
| Eremophila bilopha | Temminck's Horned Lark | Temminck's Lark |
| Eremopterix australis | Black-eared Sparrow-Lark | Black-eared Sparrow-Lark |
| Eremopterix grisea | Ashy-crowned Sparrow-Lark | Ashy-crowned Sparrow-Lark |
| Eremopterix leucopareia | Fischer's Sparrow-Lark | Fischer's Sparrow-Lark |
| Eremopterix leucotis | Chestnut-backed Sparrow-Lark | Chestnut-backed Sparrow-Lark |
| Eremopterix nigriceps | Black-crowned Sparrow-Lark | Black-crowned Sparrow-Lark |
| Eremopterix signata | Chestnut-headed Sparrow-Lark | Chestnut-headed Sparrow-Lark |
| Eremopterix verticalis | Grey-backed Sparrow-Lark | Grey-backed Sparrow-Lark |
| Ergaticus ruber | Red Warbler | Red Warbler |
| Ergaticus versicolor | Pink-headed Warbler | Pink-headed Warbler |
| Eriocnemis alinae | Emerald-bellied Puffleg | Emerald-bellied Puffleg |
| Eriocnemis cupreoventris | Coppery-bellied Puffleg | Coppery-bellied Puffleg |
| Eriocnemis derbyi | Black-thighed Puffleg | Black-thighed Puffleg |
| Eriocnemis glaucopoides | Blue-capped Puffleg | Blue-capped Puffleg |
| Eriocnemis godini | Turquoise-throated Puffleg | Turquoise-throated Puffleg |
| Eriocnemis luciani | Sapphire-vented Puffleg | Sapphire-vented Puffleg |
| Eriocnemis mirabilis | Colourful Puffleg | Colorful Puffleg |
| Eriocnemis mosquera | Golden-breasted Puffleg | Golden-breasted Puffleg |
| Eriocnemis nigrivestis | Black-breasted Puffleg | Black-breasted Puffleg |
| Eriocnemis vestitus | Glowing Puffleg | Glowing Puffleg |
| Erithacus akahige | Japanese Robin | Japanese Robin |
| Erithacus komadori | Riukiu Robin | Ryukyu Robin |
| Erithacus rubecula | European Robin | European Robin |
| Erythrocercus holochlorus | Little Yellow Flycatcher | Yellow Flycatcher |
| Erythrocercus livingstonei | Livingstone's Flycatcher | Livingstone's Flycatcher |
| Erythrocercus mccallii | Chestnut-capped Flycatcher | Chestnut-capped Flycatcher |
| Erythrura coloria | Mount Katanglad Parrot Finch | Red-eared Parrotfinch |
| Erythrura cyaneovirens | Red-headed Parrot Finch | Red-headed Parrotfinch |
| Erythrura hyperythra | Bamboo Parrot Finch | Tawny-breasted Parrotfinch |
| Erythrura kleinschmidti | Pink-billed Parrot-finch | Pink-billed Parrot-finch |
| Erythrura papuana | Papuan Parrot Finch | Papuan Parrotfinch |
| Erythrura pealii | Fiji Parrot Finch | Fiji Parrotfinch |
| Erythrura prasina | Pin-tailed Parrot Finch | Pin-tailed Parrotfinch |
| Erythrura psittacea | Red-throated Parrot Finch | Red-throated Parrotfinch |
| Erythrura trichroa | Blue-faced Parrot Finch | Blue-faced Parrotfinch |
| Erythrura tricolor | Three-coloured Parrot Finch | Tricolored Parrotfinch |
| Erythrura viridifacies | Green-faced Parrot Finch | Green-faced Parrotfinch |
| Estrilda astrild | Common Waxbill | Common Waxbill |
| Estrilda atricapilla | Black-headed Waxbill | Black-headed Waxbill |
| Estrilda caerulescens | Lavender Waxbill | Lavender Waxbill |
| Estrilda charmosyna | Red-rumped Waxbill | Red-rumped Waxbill |
| Estrilda erythronotos | Black-cheeked Waxbill | Black-cheeked Waxbill |
| Estrilda melanotis | Swee Waxbill | Swee Waxbill |
| Estrilda melpoda | Orange-cheeked Waxbill | Orange-cheeked Waxbill |
| Estrilda nigriloris | Black-faced Waxbill | Black-faced Waxbill |
| Estrilda nonnula | Black-crowned Waxbill | Black-crowned Waxbill |
| Estrilda paludicola | Fawn-breasted Waxbill | Fawn-breasted Waxbill |
| Estrilda perreini | Black-tailed Waxbill | Black-tailed Waxbill |
| Estrilda poliopareia | Anambra Waxbill | Anambra Waxbill |
| Estrilda quartinia | East African Swee Waxbill | Yellow-bellied Waxbill |
| Estrilda rhodopyga | Crimson-rumped Waxbill | Crimson-rumped Waxbill |
| Estrilda rufibarba | Arabian Waxbill | Arabian Waxbill |
| Estrilda thomensis | Cinderella Waxbill | Cinderella Waxbill |
| Estrilda troglodytes | Black-rumped Waxbill | Black-rumped Waxbill |
| Eubucco bourcierii | Red-headed Barbet | Red-headed Barbet |
| Eubucco richardsoni | Lemon-throated Barbet | Lemon-throated Barbet |
| Eubucco tucinkae | Scarlet-hooded Barbet | Scarlet-hooded Barbet |
| Eubucco versicolor | Versicoloured Barbet | Versicolored Barbet |
| Eucometis penicillata | Grey-headed Tanager | Grey-headed Tanager |
| Eudocimus albus | White Ibis | White Ibis |
| Eudocimus ruber | Scarlet Ibis | Scarlet Ibis |
| Eudromia elegans | Elegant Crested-Tinamou | Elegant Crested-Tinamou |
| Eudromia formosa | Quebracho Crested-Tinamou | Quebracho Crested-Tinamou |
| Eudromias morinellus | Dotterel | Eurasian Dotterel |
| Eudynamys scolopacea | Koel | Asian Koel |
| Eudyptes chrysocome | Rockhopper Penguin | Rockhopper Penguin |
| Eudyptes chrysolophus | Macaroni Penguin | Macaroni Penguin |
| Eudyptes pachyrhynchus | Victoria Penguin | Fiordland Penguin |
| Eudyptes robustus | Snares Island Penguin | Snares Penguin |
| Eudyptes schlegeli | Royal Penguin | Royal Penguin |
| Eudyptes sclateri | Big-crested Penguin | Erect-crested Penguin |
| Eudyptula minor | Little Penguin | Little Penguin |
| Eugenes fulgens | Rivoli's Hummingbird | Magnificent Hummingbird |
| Eugerygone rubra | Red-backed Warbler | Garnet Robin |
| Eugralla paradoxa | Ochre-flanked Tapaculo | Ochre-flanked Tapaculo |
| Eulabeornis castaneoventris | Chestnut-bellied Rail | Chestnut Rail |
| Eulacestoma nigropectus | Wattled Shrike Tit | Wattled Ploughbill |
| Eulampis jugularis | Purple-throated Carib | Purple-throated Carib |
| Eulidia yarrellii | Chilean Woodstar | Chilean Woodstar |
| Eumomota superciliosa | Turquoise-browed Motmot | Turquoise-browed Motmot |
| Euneornis campestris | Orangequit | Orangequit |
| Eupetes macrocerus | Malay Rail Babbler | Malaysian Rail-babbler |
| Eupetomena macroura | Swallow-tailed Hummingbird | Swallow-tailed Hummingbird |
| Euphagus carolinus | Rusty Blackbird | Rusty Blackbird |
| Euphagus cyanocephalus | Brewer's Blackbird | Brewer's Blackbird |
| Eupherusa cyanophrys | Oaxaca Hummingbird | Blue-capped Hummingbird |
| Eupherusa eximia | Stripe-tailed Hummingbird | Stripe-tailed Hummingbird |
| Eupherusa nigriventris | Black-bellied Hummingbird | Black-bellied Hummingbird |
| Eupherusa poliocerca | White-tailed Hummingbird | White-tailed Hummingbird |
| Euphonia affinis | Scrub Euphonia | Scrub Euphonia |
| Euphonia anneae | Tawny-capped Euphonia | Tawny-capped Euphonia |
| Euphonia cayennensis | Golden-sided Euphonia | Golden-sided Euphonia |
| Euphonia chalybea | Green-throated Euphonia | Green-chinned Euphonia |
| Euphonia chlorotica | Purple-throated Euphonia | Purple-throated Euphonia |
| Euphonia chrysopasta | Golden-bellied Euphonia | White-lored Euphonia |
| Euphonia concinna | Velvet-fronted Euphonia | Velvet-fronted Euphonia |
| Euphonia elegantissima | Blue-hooded Euphonia | Blue-rumped Euphonia |
| Euphonia finschi | Finsch's Euphonia | Finsch's Euphonia |
| Euphonia fulvicrissa | Fulvous-vented Euphonia | Fulvous-vented Euphonia |
| Euphonia gouldi | Olive-backed Euphonia | Olive-backed Euphonia |
| Euphonia hirundinacea | Yellow-throated Euphonia | Yellow-throated Euphonia |
| Euphonia imitans | Spot-crowned Euphonia | Spot-crowned Euphonia |
| Euphonia jamaica | Jamaican Euphonia | Jamaican Euphonia |
| Euphonia laniirostris | Thick-billed Euphonia | Thick-billed Euphonia |
| Euphonia luteicapilla | Yellow-crowned Euphonia | Yellow-crowned Euphonia |
| Euphonia mesochrysa | Bronze-green Euphonia | Bronze-green Euphonia |
| Euphonia minuta | White-vented Euphonia | White-vented Euphonia |
| Euphonia musica | Antillean Euphonia | Antillean Euphonia |
| Euphonia pectoralis | Chestnut-bellied Euphonia | Chestnut-bellied Euphonia |
| Euphonia plumbea | Plumbeous Euphonia | Plumbeous Euphonia |
| Euphonia rufiventris | Rufous-bellied Euphonia | Rufous-bellied Euphonia |
| Euphonia saturata | Orange-crowned Euphonia | Orange-crowned Euphonia |
| Euphonia trinitatis | Trinidad Euphonia | Trinidad Euphonia |
| Euphonia violacea | Violaceous Euphonia | Violaceous Euphonia |
| Euphonia xanthogaster | Orange-bellied Euphonia | Orange-bellied Euphonia |
| Euplectes afer | Golden Bishop | Yellow-crowned Bishop |
| Euplectes albonotatus | White-winged Whydah | White-winged Widowbird |
| Euplectes ardens | Red-collared Whydah | Red-collared Widowbird |
| Euplectes axillaris | Fan-tailed Whydah | Fan-tailed Widowbird |
| Euplectes capensis | Yellow-rumped Bishop | Yellow Bishop |
| Euplectes gierowii | Gierow's Bishop | Black Bishop |
| Euplectes hartlaubi | Marsh Whydah | Marsh Widowbird |
| Euplectes jacksoni | Jackson's Whydah | Jackson's Widowbird |
| Euplectes macrourus | Yellow-mantled Whydah | Yellow-shouldered Widowbird |
| Euplectes nigroventris | Zanzibar Red Bishop | Zanzibar Bishop |
| Euplectes orix | Red Bishop | Red Bishop |
| Euplectes progne | Long-tailed Whydah | Long-tailed Widowbird |
| Euplectes psammocromius | Mountain Marsh Whydah | Buff-shouldered Widowbird |
| Eupodotis afra | Black Bustard | Black Bustard |
| Eupodotis caerulescens | Blue Bustard | Blue Bustard |
| Eupodotis gindiana | Buff-crested Bustard | Buff-crested Bustard |
| Eupodotis hartlaubii | Hartlaub's Bustard | Hartlaub's Bustard |
| Eupodotis humilis | Little Brown Bustard | Little Brown Bustard |
| Eupodotis melanogaster | Black-bellied Bustard | Black-bellied Bustard |
| Eupodotis rueppellii | Ruppell's Bustard | Rueppell's Bustard |
| Eupodotis ruficrista | Red-crested Bustard | Red-crested Bustard |
| Eupodotis savilei | Savile's Bustard | Savile's Bustard |
| Eupodotis senegalensis | White-bellied Bustard | White-bellied Bustard |
| Eupodotis vigorsii | Vigors' Bustard | Karoo Bustard |
| Euptilotis neoxenus | Eared Trogon | Eared Trogon |
| Eurocephalus anguitimens | White-crowned Shrike | White-crowned Shrike |
| Eurostopodus archboldi | Archbold's Nightjar | Mountain Eared-Nightjar |
| Eurostopodus argus | Spotted Nightjar | Spotted Eared-Nightjar |
| Eurostopodus diabolicus | Satanic Nightjar | Satanic Eared-Nightjar |
| Eurostopodus macrotis | Great Eared Nightjar | Great Eared-Nightjar |
| Eurostopodus mystacalis | White-throated Nightjar | White-throated Eared-Nightjar |
| Eurostopodus papuensis | Papuan Nightjar | Papuan Eared-Nightjar |
| Eurostopodus temminckii | Malaysian Eared Nightjar | Malaysian Eared-Nightjar |
| Euryceros prevostii | Helmet Bird | Helmet Vanga |
| Eurylaimus javanicus | Banded Broadbill | Banded Broadbill |
| Eurylaimus ochromalus | Black & Yellow Broadbill | Black-and-yellow Broadbill |
| Eurylaimus steerii | Wattled Broadbill | Wattled Broadbill |
| Eurynorhynchus pygmeus | Spoon-billed Sandpiper | Spoonbill Sandpiper |
| Euryptila subcinnamomea | Kopje Warbler | Kopje Warbler |
| Eurypyga helias | Sun-Bittern | Sunbittern |
| Eurystomus azureus | Azure Roller | Purple Roller |
| Eurystomus glaucurus | African Broad-billed Roller | Broad-billed Roller |
| Eurystomus gularis | Blue-throated Roller | Blue-throated Roller |
| Eurystomus orientalis | Eastern Broad-billed Roller | Dollarbird |
| Euscarthmus meloryphus | Tawny-crowned Pygmy Tyrant | Tawny-crowned Pygmy-Tyrant |
| Euscarthmus rufomarginatus | Rufous-sided Pygmy Tyrant | Rufous-sided Pygmy-Tyrant |
| Euschistospiza cinereovinacea | Dusky Twin-spot | Dusky Twinspot |
| Euschistospiza dybowskii | Dybowski's Dusky Twin-spot | Dybowski's Twinspot |
| Euthlypis lachrymosa | Neotropic Fan-tailed Warbler | Fan-tailed Warbler |
| Eutoxeres aquila | White-tipped Sicklebill | White-tipped Sicklebill |
| Eutoxeres condamini | Buff-tailed Sicklebill | Buff-tailed Sicklebill |
| Eutrichomyias rowleyi | Rowley's Flycatcher | Cerulean Paradise-Flycatcher |
| Eutriorchis astur | Madagascar Serpent Eagle | Madagascar Serpent-Eagle |
| Falco alopex | Fox Kestrel | Fox Kestrel |
| Falco amurensis | Eastern Red-footed Falcon | Amur Falcon |
| Falco araea | Seychelles Kestrel | Seychelles Kestrel |
| Falco ardosiaceus | Grey Kestrel | Grey Kestrel |
| Falco berigora | Brown Falcon | Brown Falcon |
| Falco biarmicus | Lanner Falcon | Lanner Falcon |
| Falco cenchroides | Australian Kestrel | Australian Kestrel |
| Falco cherrug | Saker Falcon | Saker Falcon |
| Falco chicquera | Red-headed Falcon | Red-necked Falcon |
| Falco columbarius | Merlin | Merlin |
| Falco concolor | Sooty Falcon | Sooty Falcon |
| Falco deiroleucus | Orange-breasted Falcon | Orange-breasted Falcon |
| Falco dickinsoni | Dickinson's Kestrel | Dickinson's Kestrel |
| Falco eleonorae | Eleonora's Falcon | Eleonora's Falcon |
| Falco fasciinucha | Taita Falcon | Teita Falcon |
| Falco femoralis | Aplomado Falcon | Aplomado Falcon |
| Falco hypoleucos | Grey Falcon | Grey Falcon |
| Falco jugger | Lagger Falcon | Laggar Falcon |
| Falco longipennis | Australian Hobby | Australian Hobby |
| Falco mexicanus | Prairie Falcon | Prairie Falcon |
| Falco moluccensis | Moluccan Kestrel | Spotted Kestrel |
| Falco naumanni | Lesser Kestrel | Lesser Kestrel |
| Falco newtoni | Madagascar Kestrel | Madagascar Kestrel |
| Falco pelegrinoides | Barbary Falcon | Barbary Falcon |
| Falco peregrinus | Peregrine Falcon | Peregrine Falcon |
| Falco punctatus | Mauritius Kestrel | Mauritius Kestrel |
| Falco rufigularis | Bat Falcon | Bat Falcon |
| Falco rupicoloides | Greater Kestrel | Greater Kestrel |
| Falco rusticolus | Gyr Falcon | Gyrfalcon |
| Falco severus | Oriental Hobby | Oriental Hobby |
| Falco sparverius | American Kestrel | American Kestrel |
| Falco subbuteo | Northern Hobby | Eurasian Hobby |
| Falco subniger | Black Falcon | Black Falcon |
| Falco tinnunculus | Common Kestrel | Common Kestrel |
| Falco vespertinus | Western Red-footed Falcon | Red-footed Falcon |
| Falco zoniventris | Madagascar Banded Kestrel | Banded Kestrel |
| Falculea palliata | Sicklebill | Sickle-billed Vanga |
| Falcunculus frontatus | Crested Shrike Tit | Crested Shrike-tit |
| Ferminia cerverai | Zapata Wren | Zapata Wren |
| Ficedula albicollis | Collared Flycatcher | Collared Flycatcher |
| Ficedula basilanica | Little Slaty Flycatcher | Little Slaty Flycatcher |
| Ficedula bonthaina | Lompobattang Flycatcher | Lompobattang Flycatcher |
| Ficedula buruensis | Cinnamon-chested Flycatcher | Cinnamon-chested Flycatcher |
| Ficedula crypta | Vaurie's Flycatcher | Cryptic Flycatcher |
| Ficedula dumetoria | Orange-breasted Flycatcher | Rufous-chested Flycatcher |
| Ficedula harterti | Hartert's Flycatcher | Sumba Flycatcher |
| Ficedula henrici | Damar Flycatcher | Damar Flycatcher |
| Ficedula hodgsonii | Rusty-breasted Blue Flycatcher | Slaty-backed Flycatcher |
| Ficedula hyperythra | Thicket Flycatcher | Snowy-browed Flycatcher |
| Ficedula hypoleuca | Pied Flycatcher | European Pied Flycatcher |
| Ficedula monileger | White-gorgetted Flycatcher | White-gorgeted Flycatcher |
| Ficedula mugimaki | Mugimaki Flycatcher | Mugimaki Flycatcher |
| Ficedula narcissina | Narcissus Flycatcher | Narcissus Flycatcher |
| Ficedula nigrorufa | Black & Orange Flycatcher | Black-and-rufous Flycatcher |
| Ficedula parva | Red-breasted Flycatcher | Red-breasted Flycatcher |
| Ficedula platenae | Palawan Flycatcher | Palawan Flycatcher |
| Ficedula rufigula | White-vented Flycatcher | Rufous-throated Flycatcher |
| Ficedula sapphira | Sapphire-headed Flycatcher | Sapphire Flycatcher |
| Ficedula solitaris | Rufous-browed Flycatcher | Rufous-browed Flycatcher |
| Ficedula strophiata | Orange-gorgetted Flycatcher | Rufous-gorgeted Flycatcher |
| Ficedula subrubra | Kashmir Flycatcher | Kashmir Flycatcher |
| Ficedula superciliaris | White-browed Blue Flycatcher | Ultramarine Flycatcher |
| Ficedula timorensis | Black-banded Flycatcher | Black-banded Flycatcher |
| Ficedula tricolor | Slaty Blue Flycatcher | Slaty-blue Flycatcher |
| Ficedula westermanni | Little Pied Flycatcher | Little Pied Flycatcher |
| Ficedula zanthopygia | Yellow-rumped Flycatcher | Yellow-rumped Flycatcher |
| Florisuga mellivora | White-necked Jacobin | White-necked Jacobin |
| Fluvicola nengeta | Masked Water Tyrant | Masked Water-Tyrant |
| Fluvicola pica | Pied Water Tyrant | Pied Water-Tyrant |
| Formicarius analis | Black-faced Ant-thrush | Black-faced Antthrush |
| Formicarius colma | Rufous-capped Ant-thrush | Rufous-capped Antthrush |
| Formicarius nigricapillus | Black-headed Ant-thrush | Black-headed Antthrush |
| Formicarius rufifrons | Rufous-fronted Ant-thrush | Rufous-fronted Antthrush |
| Formicarius rufipectus | Rufous-breasted Ant-thrush | Rufous-breasted Antthrush |
| Formicivora erythronotos | Black-hooded Antwren | Black-hooded Antwren |
| Formicivora grisea | White-fringed Antwren | White-fringed Antwren |
| Formicivora iheringi | Narrow-billed Antwren | Narrow-billed Antwren |
| Formicivora melanogaster | Black-bellied Antwren | Black-bellied Antwren |
| Formicivora rufa | Rusty-backed Antwren | Rusty-backed Antwren |
| Formicivora serrana | Serra Antwren | Serra Antwren |
| Forpus coelestis | Pacific Parrotlet | Pacific Parrotlet |
| Forpus conspicillatus | Spectacled Parrotlet | Spectacled Parrotlet |
| Forpus cyanopygius | Mexican Parrotlet | Mexican Parrotlet |
| Forpus passerinus | Green-rumped Parrotlet | Green-rumped Parrotlet |
| Forpus sclateri | Dusky-billed Parrotlet | Dusky-billed Parrotlet |
| Forpus xanthops | Yellow-faced Parrotlet | Yellow-faced Parrotlet |
| Forpus xanthopterygius | Blue-winged Parrotlet | Blue-winged Parrotlet |
| Foudia eminentissima | Mascarene Fody | Red-headed Fody |
| Foudia flavicans | Rodriguez Fody | Yellow Fody |
| Foudia madagascariensis | Madagascan Red Fody | Madagascar Red Fody |
| Foudia omissa | Red Forest Fody | Forest Fody |
| Foudia rubra | Mauritius Fody | Mauritius Fody |
| Foudia sechellarum | Seychelles Fody | Seychelles Fody |
| Foulehaio carunculata | Carunculated Honeyeater | Wattled Honeyeater |
| Francolinus adspersus | Red-billed Francolin | Red-billed Francolin |
| Francolinus afer | Red-necked Spurfowl | Red-necked Spurfowl |
| Francolinus africanus | Greywing Francolin | Grey-winged Francolin |
| Francolinus ahantensis | Ahanta Francolin | Ahanta Francolin |
| Francolinus albogularis | White-throated Francolin | White-throated Francolin |
| Francolinus bicalcaratus | Double-spurred Francolin | Double-spurred Francolin |
| Francolinus camerunensis | Cameroun Mountain Francolin | Cameroon Francolin |
| Francolinus capensis | Cape Francolin | Cape Francolin |
| Francolinus castaneicollis | Chestnut-naped Francolin | Chestnut-naped Francolin |
| Francolinus clappertoni | Clapperton's Francolin | Clapperton's Francolin |
| Francolinus coqui | Coqui's Francolin | Coqui Francolin |
| Francolinus erckelii | Erckel's Francolin | Erckel's Francolin |
| Francolinus finschi | Finsch's Francolin | Finsch's Francolin |
| Francolinus francolinus | Black Partridge | Black Francolin |
| Francolinus griseostriatus | Grey-striped Francolin | Grey-striped Francolin |
| Francolinus gularis | Swamp Partridge | Swamp Francolin |
| Francolinus hartlaubi | Hartlaub's Francolin | Hartlaub's Francolin |
| Francolinus harwoodi | Harwood's Francolin | Harwood's Francolin |
| Francolinus hildebrandti | Hildebrandt's Francolin | Hildebrandt's Francolin |
| Francolinus icterorhynchus | Yellow-billed Francolin | Heuglin's Francolin |
| Francolinus jacksoni | Jackson's Francolin | Jackson's Francolin |
| Francolinus lathami | Latham's Francolin | Forest Francolin |
| Francolinus leucoscepus | Yellow-necked Francolin | Yellow-necked Spurfowl |
| Francolinus levaillantii | Red-winged Francolin | Red-winged Francolin |
| Francolinus levaillantoides | Archer's Greywing Francolin | OrangeRiver Francolin |
| Francolinus nahani | Nahan's Forest Francolin | Nahan's Francolin |
| Francolinus natalensis | Natal Francolin | Natal Francolin |
| Francolinus nobilis | Handsome Francolin | Handsome Francolin |
| Francolinus ochropectus | Pale-bellied Francolin | Ochre-breasted Francolin |
| Francolinus pictus | Painted Partridge | Painted Francolin |
| Francolinus pintadeanus | Chinese Francolin | Chinese Francolin |
| Francolinus pondicerianus | Indian Grey Francolin | Grey Francolin |
| Francolinus psilolaemus | Montane Francolin | Moorland Francolin |
| Francolinus rufopictus | Painted Francolin | Grey-breasted Spurfowl |
| Francolinus schlegelii | Schlegel's Francolin | Schlegel's Francolin |
| Francolinus sephaena | Crested Francolin | Crested Francolin |
| Francolinus shelleyi | Shelley's Francolin | Shelley's Francolin |
| Francolinus squamatus | Scaly Francolin | Scaly Francolin |
| Francolinus streptophorus | Ring-necked Francolin | Ring-necked Francolin |
| Francolinus swainsonii | Swainson's Francolin | Swainson's Spurfowl |
| Francolinus swierstrai | Swierstra's Francolin | Swierstra's Francolin |
| Fratercula arctica | Atlantic Puffin | Atlantic Puffin |
| Fratercula corniculata | Horned Puffin | Horned Puffin |
| Frederickena unduligera | Undulated Antshrike | Undulated Antshrike |
| Frederickena viridis | Black-throated Antshrike | Black-throated Antshrike |
| Fregata andrewsi | Christmas Island Frigate Bird | Christmas Island Frigatebird |
| Fregata aquila | Ascension Frigate Bird | Ascension Frigatebird |
| Fregata ariel | Lesser Frigate Bird | Lesser Frigatebird |
| Fregata magnificens | Magnificent Frigate Bird | Magnificent Frigatebird |
| Fregata minor | Great Frigate Bird | Great Frigatebird |
| Fregetta grallaria | White-bellied Storm Petrel | White-bellied Storm-Petrel |
| Fregetta tropica | Black-bellied Storm Petrel | Black-bellied Storm-Petrel |
| Fringilla coelebs | Chaffinch | Chaffinch |
| Fringilla montifringilla | Brambling | Brambling |
| Fringilla teydea | Blue Chaffinch | Teydefinch |
| Fulica alai | Hawaiian Coot | Hawaiian Coot |
| Fulica americana | American Coot | American Coot |
| Fulica ardesiaca | Slate-coloured Coot | Slate-colored Coot |
| Fulica armillata | Red-gartered Coot | Red-gartered Coot |
| Fulica atra | Black Coot | Common Coot |
| Fulica caribaea | Caribbean Coot | Caribbean Coot |
| Fulica cornuta | Horned Coot | Horned Coot |
| Fulica cristata | Red-knobbed Coot | Red-knobbed Coot |
| Fulica gigantea | Giant Coot | Giant Coot |
| Fulica leucoptera | White-winged Coot | White-winged Coot |
| Fulica rufifrons | Red-fronted Coot | Red-fronted Coot |
| Fulmarus glacialis | Northern Fulmar | Northern Fulmar |
| Fulmarus glacialoides | Southern Fulmar | Southern Fulmar |
| Furnarius cristatus | Crested Hornero | Crested Hornero |
| Furnarius figulus | White-banded Hornero | Wing-banded Hornero |
| Furnarius leucopus | Pale-legged Hornero | Pale-legged Hornero |
| Furnarius minor | Lesser Hornero | Lesser Hornero |
| Furnarius rufus | Rufous Hornero | Rufous Hornero |
| Furnarius torridus | Pale-billed Hornero | Pale-billed Hornero |
| Galbalcyrhynchus leucotis | Chestnut Jacamar | White-eared Jacamar |
| Galbalcyrhynchus purusianus | Purus Jacamar | Chestnut Jacamar |
| Galbula albirostris | Yellow-billed Jacamar | Yellow-billed Jacamar |
| Galbula chalcothorax | Purplish Jacamar | Purplish Jacamar |
| Galbula cyanescens | Bluish-fronted Jacamar | Bluish-fronted Jacamar |
| Galbula cyanicollis | Blue-necked Jacamar | Blue-necked Jacamar |
| Galbula dea | Paradise Jacamar | Paradise Jacamar |
| Galbula galbula | Green-tailed Jacamar | Green-tailed Jacamar |
| Galbula leucogastra | Bronzy Jacamar | Bronzy Jacamar |
| Galbula pastazae | Coppery-chested Jacamar | Coppery-chested Jacamar |
| Galbula ruficauda | Rufous-tailed Jacamar | Rufous-tailed Jacamar |
| Galbula tombacea | White-chinned Jacamar | White-chinned Jacamar |
| Galerida cristata | Crested Lark | Crested Lark |
| Galerida deva | Sykes' Crested Lark | Tawny Lark |
| Galerida malabarica | Thekla Lark | Malabar Lark |
| Galerida modesta | Sun Lark | Sun Lark |
| Gallicolumba beccarii | Grey-breasted Quail Dove | Bronze Ground-Dove |
| Gallicolumba canifrons | Palau Ground Dove | Palau Ground-Dove |
| Gallicolumba criniger | Bartlett's Bleeding Heart | Mindanao Bleeding-heart |
| Gallicolumba erythroptera | Society Islands Ground Dove | Polynesian Ground-Dove |
| Gallicolumba hoedtii | Wetar Ground Dove | Wetar Ground-Dove |
| Gallicolumba jobiensis | White-breasted Ground Pigeon | White-bibbed Ground-Dove |
| Gallicolumba keayi | Negros Bleeding Heart | Negros Bleeding-heart |
| Gallicolumba kubaryi | Truk Islands Ground Dove | Caroline Islands Ground-Dove |
| Gallicolumba luzonica | Luzon Bleeding Heart | Luzon Bleeding-heart |
| Gallicolumba menagei | Tawitawi Bleeding Heart | Sulu Bleeding-heart |
| Gallicolumba platenae | Mindoro Bleeding Heart | Mindoro Bleeding-heart |
| Gallicolumba rubescens | Marquesas Ground Dove | Marquesan Ground-Dove |
| Gallicolumba rufigula | Golden Heart | Cinnamon Ground-Dove |
| Gallicolumba salamonis | Thick-billed Ground Dove | Thick-billed Ground-Dove |
| Gallicolumba sanctaecrucis | Santa Cruz Ground Dove | Santa Cruz Ground-Dove |
| Gallicolumba stairi | Friendly Quail Dove | Friendly Ground-Dove |
| Gallicolumba tristigmata | Sulawesi Quail Dove | Sulawesi Ground-Dove |
| Gallicolumba xanthonura | White-throated Dove | White-throated Ground-Dove |
| Gallicrex cinerea | Water Cock | Watercock |
| Gallinago gallinago | Common Snipe | Common Snipe |
| Gallinago hardwickii | Japanese Snipe | Latham's Snipe |
| Gallinago imperialis | Imperial Snipe | Imperial Snipe |
| Gallinago jamesoni | Andean Snipe | Andean Snipe |
| Gallinago macrodactyla | Madagascar Snipe | Madagascar Snipe |
| Gallinago media | Great Snipe | Great Snipe |
| Gallinago megala | Swinhoe's Snipe | Swinhoe's Snipe |
| Gallinago nemoricola | Wood Snipe | Wood Snipe |
| Gallinago nigripennis | African Snipe | African Snipe |
| Gallinago nobilis | Noble Snipe | Noble Snipe |
| Gallinago paraguaiae | Magellan Snipe | South American Snipe |
| Gallinago solitaria | Solitary Snipe | Solitary Snipe |
| Gallinago stenura | Pintail Snipe | Pintail Snipe |
| Gallinago stricklandii | Cordilleran Snipe | Fuegian Snipe |
| Gallinago undulata | Giant Snipe | Giant Snipe |
| Gallinula angulata | Lesser Moorhen | Lesser Moorhen |
| Gallinula chloropus | Moorhen | Common Moorhen |
| Gallinula melanops | Spot-flanked Gallinule | Spot-flanked Gallinule |
| Gallinula mortierii | Tasmanian Native Hen | Tasmanian Native-hen |
| Gallinula nesiotis | Gough Islands Coot | Tristan Moorhen |
| Gallinula pacifica | Samoan Wood Rail | Samoan Moorhen |
| Gallinula tenebrosa | Dusky Moorhen | Dusky Moorhen |
| Gallinula ventralis | Black-tailed Native Hen | Black-tailed Native-hen |
| Gallirallus australis | Weka Rail | Weka |
| Galloperdix bicalcarata | Ceylon Spurfowl | Ceylon Spurfowl |
| Galloperdix lunulata | Painted Spurfowl | Painted Spurfowl |
| Galloperdix spadicea | Red Spurfowl | Red Spurfowl |
| Gallus gallus | Red Jungle-fowl | Red Junglefowl |
| Gallus lafayetii | Ceylon Jungle-fowl | Ceylon Junglefowl |
| Gallus sonneratii | Grey Jungle-fowl | Grey Junglefowl |
| Gallus varius | Green Jungle-fowl | Green Junglefowl |
| Gampsonyx swainsonii | Pearl Kite | Pearl Kite |
| Gampsorhynchus rufulus | White-headed Shrike Babbler | White-hooded Babbler |
| Garrodia nereis | Grey-backed Storm Petrel | Grey-backed Storm-Petrel |
| Garrulax affinis | Black-faced Laughing Thrush | Black-faced Laughingthrush |
| Garrulax albogularis | White-throated Laughing Thrush | White-throated Laughingthrush |
| Garrulax austeni | Brown-capped Laughing Thrush | Brown-capped Laughingthrush |
| Garrulax bieti | Biet's Laughing Thrush | White-speckled Laughingthrush |
| Garrulax cachinnans | Nilgiri White-breasted Laughing Thrush | Rufous-breasted Laughingthrush |
| Garrulax caerulatus | Grey-sided Laughing Thrush | Grey-sided Laughingthrush |
| Garrulax canorus | Melodious Laughing Thrush | Hwamei |
| Garrulax chinensis | Black-throated Laughing Thrush | Black-throated Laughingthrush |
| Garrulax cineraceus | Ashy Laughing Thrush | Moustached Laughingthrush |
| Garrulax cinereifrons | Ashy-headed Laughing Thrush | Ashy-headed Laughingthrush |
| Garrulax davidi | David's Laughing Thrush | Plain Laughingthrush |
| Garrulax delesserti | Rufous-vented Laughing Thrush | Wynaad Laughingthrush |
| Garrulax elliotii | Elliot's Laughing Thrush | Elliot's Laughingthrush |
| Garrulax erythrocephalus | Red-headed Laughing Thrush | Chestnut-crowned Laughingthrush |
| Garrulax formosus | Crimson-winged Laughing Thrush | Red-winged Laughingthrush |
| Garrulax galbanus | Austen's Laughing Thrush | Yellow-throated Laughingthrush |
| Garrulax henrici | Prince Henry's Laughing Thrush | Brown-cheeked Laughingthrush |
| Garrulax jerdoni | White-breasted Laughing Thrush | Grey-breasted Laughingthrush |
| Garrulax leucolophus | White-crested Laughing Thrush | White-crested Laughingthrush |
| Garrulax lineatus | Himalayan Streaked Laughing Thrush | Streaked Laughingthrush |
| Garrulax lugubris | Black Laughing Thrush | Black Laughingthrush |
| Garrulax lunulatus | Bar-backed Laughing Thrush | Barred Laughingthrush |
| Garrulax maesi | Maes' Laughing Thrush | Grey Laughingthrush |
| Garrulax maximus | Giant Laughing Thrush | Giant Laughingthrush |
| Garrulax merulinus | Spot-breasted Laughing Thrush | Spot-breasted Laughingthrush |
| Garrulax milleti | Black-hooded Laughing Thrush | Black-hooded Laughingthrush |
| Garrulax milnei | Red-tailed Laughing Thrush | Red-tailed Laughingthrush |
| Garrulax mitratus | Chestnut-capped Laughing Thrush | Chestnut-capped Laughingthrush |
| Garrulax monileger | Lesser Necklaced Laughing Thrush | Lesser Necklaced Laughingthrush |
| Garrulax nuchalis | Chestnut-backed Laughing Thrush | Chestnut-backed Laughingthrush |
| Garrulax ocellatus | White-spotted Laughing Thrush | Spotted Laughingthrush |
| Garrulax palliatus | Grey & Brown Laughing Thrush | Sunda Laughingthrush |
| Garrulax pectoralis | Greater Necklaced Laughing Thrush | Greater Necklaced Laughingthrush |
| Garrulax perspicillatus | Spectacled Laughing Thrush | Masked Laughingthrush |
| Garrulax poecilorhynchus | Rufous Laughing Thrush | Rusty Laughingthrush |
| Garrulax ruficollis | Rufous-necked Laughing Thrush | Rufous-necked Laughingthrush |
| Garrulax rufifrons | Red-fronted Laughing Thrush | Rufous-fronted Laughingthrush |
| Garrulax rufogularis | Rufous-chinned Laughing Thrush | Rufous-chinned Laughingthrush |
| Garrulax sannio | White-browed Laughing Thrush | White-browed Laughingthrush |
| Garrulax squamatus | Blue-winged Laughing Thrush | Blue-winged Laughingthrush |
| Garrulax strepitans | Tickell's Laughing Thrush | White-necked Laughingthrush |
| Garrulax striatus | Striated Laughing Thrush | Striated Laughingthrush |
| Garrulax subunicolor | Plain-coloured Laughing Thrush | Scaly Laughingthrush |
| Garrulax sukatschewi | Black-fronted Laughing Thrush | Snowy-cheeked Laughingthrush |
| Garrulax variegatus | Variegated Laughing Thrush | Variegated Laughingthrush |
| Garrulax vassali | White-cheeked Laughing Thrush | White-cheeked Laughingthrush |
| Garrulax virgatus | Striped Laughing Thrush | Striped Laughingthrush |
| Garrulax yersini | Yersin's Laughing Thrush | Collared Laughingthrush |
| Garrulus glandarius | Jay | Eurasian Jay |
| Garrulus lanceolatus | Lanceolated Jay | Black-headed Jay |
| Garrulus lidthi | Purple Jay | Lidth's Jay |
| Gavia adamsii | White-billed Diver | Yellow-billed Loon |
| Gavia arctica | Black-throated Diver | Arctic Loon |
| Gavia immer | Great Northern Diver | Common Loon |
| Gavia pacifica | Pacific Diver | Pacific Loon |
| Gavia stellata | Red-throated Diver | Red-throated Loon |
| Gecinulus grantia | Bamboo Woodpecker | Pale-headed Woodpecker |
| Geococcyx californianus | Road-runner | Greater Roadrunner |
| Geococcyx velox | Lesser Road-runner | Lesser Roadrunner |
| Geocolaptes olivaceus | Ground Woodpecker | Ground Woodpecker |
| Geoffroyus geoffroyi | Red-cheeked Parrot | Red-cheeked Parrot |
| Geoffroyus heteroclitus | Singing Parrot | Singing Parrot |
| Geoffroyus simplex | Blue-collared Parrot | Blue-collared Parrot |
| Geomalia heinrichi | Sulawesi Mountain Thrush | Geomalia |
| Geopelia cuneata | Diamond Dove | Diamond Dove |
| Geopelia humeralis | Bar-shouldered Dove | Bar-shouldered Dove |
| Geopelia placida | Gould's Zebra Dove | Peaceful Dove |
| Geopelia striata | Zebra Dove | Zebra Dove |
| Geopsittacus occidentalis | Night Parrot | Night Parrot |
| Geositta antarctica | Short-billed Miner | Short-billed Miner |
| Geositta crassirostris | Thick-billed Miner | Thick-billed Miner |
| Geositta cunicularia | Common Miner | Common Miner |
| Geositta isabellina | Creamy-rumped Miner | Creamy-rumped Miner |
| Geositta maritima | Greyish Miner | Greyish Miner |
| Geositta peruviana | Coastal Miner | Coastal Miner |
| Geositta punensis | Puna Miner | Puna Miner |
| Geositta rufipennis | Rufous-banded Miner | Rufous-banded Miner |
| Geositta saxicolina | Dark-winged Miner | Dark-winged Miner |
| Geositta tenuirostris | Slender-billed Miner | Slender-billed Miner |
| Geospiza conirostris | Large Cactus Ground Finch | Large Cactus-Finch |
| Geospiza difficilis | Sharp-beaked Ground Finch | Sharp-beaked Ground-Finch |
| Geospiza fortis | Medium Ground Finch | Medium Ground-Finch |
| Geospiza fuliginosa | Small Ground Finch | Small Ground-Finch |
| Geospiza magnirostris | Large Ground Finch | Large Ground-Finch |
| Geospiza scandens | Cactus Ground Finch | Common Cactus-Finch |
| Geothlypis aequinoctialis | Masked Yellowthroat | Masked Yellowthroat |
| Geothlypis beldingi | Peninsular Yellowthroat | Belding's Yellowthroat |
| Geothlypis flavovelata | Yellow-crowned Yellowthroat | Altamira Yellowthroat |
| Geothlypis nelsoni | Hooded Yellowthroat | Hooded Yellowthroat |
| Geothlypis poliocephala | Grey-crowned Yellowthroat | Grey-crowned Yellowthroat |
| Geothlypis rostrata | Bahama Yellowthroat | Bahama Yellowthroat |
| Geothlypis semiflava | Olive-crowned Yellowthroat | Olive-crowned Yellowthroat |
| Geothlypis speciosa | Black-polled Yellowthroat | Black-polled Yellowthroat |
| Geothlypis trichas | Common Yellowthroat | Common Yellowthroat |
| Geotrygon caniceps | Grey-faced Quail Dove | Grey-headed Quail-Dove |
| Geotrygon chrysia | Key West Quail Dove | Key West Quail-Dove |
| Geotrygon costaricensis | Costa Rican Quail Dove | Buff-fronted Quail-Dove |
| Geotrygon frenata | White-throated Quail Dove | White-throated Quail-Dove |
| Geotrygon goldmani | Russet-crowned Quail Dove | Russet-crowned Quail-Dove |
| Geotrygon lawrencii | Lawrence's Quail Dove | Purplish-backed Quail-Dove |
| Geotrygon linearis | Lined Quail Dove | Lined Quail-Dove |
| Geotrygon montana | Ruddy Quail Dove | Ruddy Quail-Dove |
| Geotrygon mystacea | Bridled Quail Dove | Bridled Quail-Dove |
| Geotrygon saphirina | Sapphire Quail Dove | Sapphire Quail-Dove |
| Geotrygon veraguensis | Olive-backed Quail Dove | Olive-backed Quail-Dove |
| Geotrygon versicolor | Crested Quail Dove | Crested Quail-Dove |
| Geotrygon violacea | Violaceous Quail Dove | Violaceous Quail-Dove |
| Geranoaetus melanoleucus | Black-chested Buzzard Eagle | Black-chested Buzzard-Eagle |
| Geranospiza caerulescens | Crane Hawk | Crane Hawk |
| Geronticus calvus | Bald Ibis | Bald Ibis |
| Geronticus eremita | Hermit Ibis | Waldrapp |
| Gerygone albofrontata | Chatham Islands Flyeater | Chatham Islands Gerygone |
| Gerygone chrysogaster | Yellow-bellied Flyeater | Yellow-bellied Gerygone |
| Gerygone cinerea | Grey Flyeater | Mountain Gerygone |
| Gerygone dorsalis | Rufous-sided Flyeater | Rufous-sided Gerygone |
| Gerygone flavolateralis | Fan-tailed Flyeater | Fan-tailed Gerygone |
| Gerygone fusca | White-tailed Flyeater | Western Gerygone |
| Gerygone igata | New Zealand Grey Flyeater | Grey Gerygone |
| Gerygone inornata | Plain Flyeater | Plain Gerygone |
| Gerygone magnirostris | Large-billed Flyeater | Large-billed Gerygone |
| Gerygone modesta | Norfolk Island Flyeater | Norfolk Island Gerygone |
| Gerygone mouki | Brown Flyeater | Brown Gerygone |
| Gerygone olivacea | White-throated Flyeater | White-throated Gerygone |
| Gerygone palpebrosa | Black-headed Flyeater | Fairy Gerygone |
| Gerygone ruficollis | Treefern Flyeater | Brown-breasted Gerygone |
| Gerygone sulphurea | Golden-bellied Flyeater | Golden-bellied Gerygone |
| Gerygone tenebrosa | Dusky Flyeater | Dusky Gerygone |
| Glareola cinerea | Cream-coloured Pratincole | Grey Pratincole |
| Glareola lactea | Little Pratincole | Small Pratincole |
| Glareola nordmanni | Black-winged Pratincole | Black-winged Pratincole |
| Glareola nuchalis | White-collared Pratincole | Rock Pratincole |
| Glareola ocularis | Madagascar Pratincole | Madagascar Pratincole |
| Glareola pratincola | Pratincole | Collared Pratincole |
| Glaucidium albertinum | Prigogine's Owlet | Albertine Owlet |
| Glaucidium bolivianum | Yungas Pygmy Owl | Yungas Pygmy-Owl |
| Glaucidium brasilianum | Ferruginous Pygmy Owl | Ferruginous Pygmy-Owl |
| Glaucidium brodiei | Collared Owlet | Collared Owlet |
| Glaucidium californicum | California Pygmy Owl | Northern Pygmy-Owl |
| Glaucidium capense | African Barred Owlet | African Barred Owlet |
| Glaucidium castaneum | Ituri Owlet | Chestnut Owlet |
| Glaucidium castanopterum | Chestnut-winged Owlet | Javan Owlet |
| Glaucidium cuculoides | Cuckoo Owlet | Asian Barred Owlet |
| Glaucidium gnoma | Northern Pygmy Owl | Mountain Pygmy-Owl |
| Glaucidium hardyi | Hardy's Pygmy Owl | Hardy's Pygmy-Owl |
| Glaucidium jardinii | Andean Pygmy Owl | Andean Pygmy-Owl |
| Glaucidium minutissimum | Least Pygmy Owl | Least Pygmy-Owl |
| Glaucidium nanum | Austral Pygmy Owl | Austral Pygmy-Owl |
| Glaucidium passerinum | Eurasian Pygmy Owl | Eurasian Pygmy-Owl |
| Glaucidium perlatum | Pearl-spotted Owlet | Pearl-spotted Owlet |
| Glaucidium peruanum | Peruvian Pygmy Owl | Peruvian Pygmy-Owl |
| Glaucidium radiatum | Jungle Owlet | Jungle Owlet |
| Glaucidium scheffleri | Eastern Barred Owlet | Scheffler's Owlet |
| Glaucidium siju | Cuban Pygmy Owl | Cuban Pygmy-Owl |
| Glaucidium sjostedti | Chestnut-backed Owlet | Sjostedt's Owlet |
| Glaucidium tephronotum | Red-chested Owlet | Red-chested Owlet |
| Glaucis aenea | Bronzy Hermit | Bronzy Hermit |
| Glaucis hirsuta | Rufous-breasted Hermit | Rufous-breasted Hermit |
| Glossopsitta concinna | Musk Lorikeet | Musk Lorikeet |
| Glossopsitta porphyrocephala | Purple-crowned Lorikeet | Purple-crowned Lorikeet |
| Glossopsitta pusilla | Little Lorikeet | Little Lorikeet |
| Glycichaera fallax | White-eyed Honeyeater | Green-backed Honeyeater |
| Gnorimopsar chopi | Chopi Blackbird | Chopi Blackbird |
| Goethalsia bella | Pirre Hummingbird | Rufous-cheeked Hummingbird |
| Goldmania violiceps | Violet-capped Hummingbird | Violet-capped Hummingbird |
| Gorsachius goisagi | Japanese Night Heron | Japanese Night-Heron |
| Gorsachius leuconotus | White-backed Night Heron | White-backed Night-Heron |
| Gorsachius magnificus | Magnificent Night Heron | White-eared Night-Heron |
| Gorsachius melanolophus | Malaysian Night Heron | Malayan Night-Heron |
| Goura cristata | Blue Crowned Pigeon | Western Crowned-Pigeon |
| Goura scheepmakeri | Maroon-breasted Crowned Pigeon | Southern Crowned-Pigeon |
| Goura victoria | Victoria Crowned Pigeon | Victoria Crowned-Pigeon |
| Gracula ptilogenys | Ceylon Grackle | Ceylon Myna |
| Gracula religiosa | Southern Grackle | Hill Myna |
| Grafisia torquata | White-collared Starling | White-collared Starling |
| Grallaria albigula | White-throated Antpitta | White-throated Antpitta |
| Grallaria alleni | Moustached Antpitta | Moustached Antpitta |
| Grallaria andicola | Stripe-headed Antpitta | Stripe-headed Antpitta |
| Grallaria bangsi | Santa Marta Antpitta | Santa Marta Antpitta |
| Grallaria blakei | Chestnut Antpitta | Chestnut Antpitta |
| Grallaria carrikeri | Pale-billed Antpitta | Pale-billed Antpitta |
| Grallaria chthonia | Tachira Antpitta | Tachira Antpitta |
| Grallaria dignissima | Ochre-striped Antpitta | Ochre-striped Antpitta |
| Grallaria eludens | Elusive Antpitta | Elusive Antpitta |
| Grallaria erythroleuca | Chestnut-brown Antpitta | Red-and-white Antpitta |
| Grallaria erythrotis | Rufous-faced Antpitta | Rufous-faced Antpitta |
| Grallaria excelsa | Great Antpitta | Great Antpitta |
| Grallaria gigantea | Giant Antpitta | Giant Antpitta |
| Grallaria griseonucha | Grey-naped Antpitta | Grey-naped Antpitta |
| Grallaria guatimalensis | Scaled Antpitta | Scaled Antpitta |
| Grallaria haplonota | Plain-backed Antpitta | Plain-backed Antpitta |
| Grallaria hypoleuca | Bay-backed Antpitta | White-bellied Antpitta |
| Grallaria kaestneri | Cundinamarca Antpitta | Cundinamarca Antpitta |
| Grallaria milleri | Brown-banded Antpitta | Brown-banded Antpitta |
| Grallaria nuchalis | Chestnut-naped Antpitta | Chestnut-naped Antpitta |
| Grallaria quitensis | Tawny Antpitta | Tawny Antpitta |
| Grallaria ruficapilla | Chestnut-crowned Antpitta | Chestnut-crowned Antpitta |
| Grallaria rufocinerea | Bicoloured Antpitta | Bicolored Antpitta |
| Grallaria rufula | Rufous Antpitta | Rufous Antpitta |
| Grallaria squamigera | Undulated Antpitta | Undulated Antpitta |
| Grallaria varia | Variegated Antpitta | Variegated Antpitta |
| Grallaria watkinsi | Watkins' Antpitta | Scrub Antpitta |
| Grallaricula cucullata | Hooded Antpitta | Hooded Antpitta |
| Grallaricula ferrugineipectus | Rusty-breasted Antpitta | Rusty-breasted Antpitta |
| Grallaricula flavirostris | Ochre-breasted Antpitta | Ochre-breasted Antpitta |
| Grallaricula lineifrons | Crescent-faced Antpitta | Crescent-faced Antpitta |
| Grallaricula loricata | Scallop-breasted Antpitta | Scallop-breasted Antpitta |
| Grallaricula nana | Slate-crowned Antpitta | Slate-crowned Antpitta |
| Grallaricula ochraceifrons | Ochre-fronted Antpitta | Ochre-fronted Antpitta |
| Grallaricula peruviana | Peruvian Antpitta | Peruvian Antpitta |
| Grallina bruijni | Torrent Lark | Torrent-lark |
| Grallina cyanoleuca | Magpie Lark | Magpie-lark |
| Graminicola bengalensis | Large Grass Warbler | Rufous-rumped Grassbird |
| Granatellus pelzelni | Rose-breasted Chat | Rose-breasted Chat |
| Granatellus sallaei | Grey-throated Chat | Grey-throated Chat |
| Granatellus venustus | Red-breasted Chat | Red-breasted Chat |
| Grandala coelicolor | Hodgson's Grandala | Grandala |
| Graueria vittata | Grauer's Warbler | Grauer's Warbler |
| Graydidascalus brachyurus | Short-tailed Parrot | Short-tailed Parrot |
| Griseotyrannus aurantioatrocristatus | Crowned Slaty Flycatcher | Crowned Slaty Flycatcher |
| Grus americana | Whooping Crane | Whooping Crane |
| Grus antigone | Sarus Crane | Sarus Crane |
| Grus canadensis | Sandhill Crane | Sandhill Crane |
| Grus grus | Common Crane | Common Crane |
| Grus japonensis | Manchurian Crane | Red-crowned Crane |
| Grus leucogeranus | Great White Crane | Siberian Crane |
| Grus monacha | Hooded Crane | Hooded Crane |
| Grus nigricollis | Black-necked Crane | Black-necked Crane |
| Grus rubicunda | Brolga | Brolga |
| Grus vipio | Japanese White-naped Crane | White-naped Crane |
| Gubernatrix cristata | Yellow Cardinal | Yellow Cardinal |
| Gubernetes yetapa | Streamer-tailed Tyrant | Streamer-tailed Tyrant |
| Guira guira | Guira Cuckoo | Guira Cuckoo |
| Guiraca caerulea | Blue Grosbeak | Blue Grosbeak |
| Guttera plumifera | Plumed Guineafowl | Plumed Guineafowl |
| Guttera pucherani | Crested Guineafowl | Crested Guineafowl |
| Gygis alba | White Tern | Common White-Tern |
| Gygis microrhyncha | Little Fairy Tern | Little White-Tern |
| Gymnobucco bonapartei | Grey-throated Barbet | Grey-throated Barbet |
| Gymnobucco calvus | Naked-faced Barbet | Naked-faced Barbet |
| Gymnobucco peli | Bristle-nosed Barbet | Bristle-nosed Barbet |
| Gymnobucco sladeni | Sladen's Barbet | Sladen's Barbet |
| Gymnocichla nudiceps | Bare-crowned Antcatcher | Bare-crowned Antbird |
| Gymnoderus foetidus | Bare-necked Fruitcrow | Bare-necked Fruitcrow |
| Gymnogyps californianus | Californian Condor | California Condor |
| Gymnomystax mexicanus | Oriole Blackbird | Oriole Blackbird |
| Gymnomyza aubryana | Red-faced Honeyeater | Crow Honeyeater |
| Gymnomyza samoensis | Black-breasted Honeyeater | Mao |
| Gymnomyza viridis | Green Honeyeater | Giant Honeyeater |
| Gymnophaps albertisii | Bare-eyed Mountain Pigeon | Papuan Mountain-Pigeon |
| Gymnophaps mada | Long-tailed Mountain Pigeon | Long-tailed Mountain-Pigeon |
| Gymnophaps solomonensis | Pale Mountain Pigeon | Pale Mountain-Pigeon |
| Gymnopithys leucaspis | Bicoloured Antcatcher | White-cheeked Antbird |
| Gymnopithys lunulata | Lunulated Antcatcher | Lunulated Antbird |
| Gymnopithys rufigula | Rufous-throated Antcatcher | Rufous-throated Antbird |
| Gymnopithys salvini | White-throated Antcatcher | White-throated Antbird |
| Gymnorhina tibicen | Black-backed Magpie | Australian Magpie |
| Gymnorhinus cyanocephalus | Pinyon Jay | Pinyon Jay |
| Gypaetus barbatus | Lammergeier | Lammergeier |
| Gypohierax angolensis | Palm-nut Vulture | Palm-nut Vulture |
| Gypopsitta vulturina | Vulturine Parrot | Vulturine Parrot |
| Gyps africanus | African White-backed Vulture | White-backed Vulture |
| Gyps bengalensis | Oriental White-backed Vulture | White-rumped Vulture |
| Gyps coprotheres | Cape Vulture | Cape Griffon |
| Gyps fulvus | Griffon Vulture | Eurasian Griffon |
| Gyps himalayensis | Himalayan Griffon | Himalayan Griffon |
| Gyps indicus | Long-billed Griffon | Long-billed Vulture |
| Habia atrimaxillaris | Black-cheeked Ant-Tanager | Black-cheeked Ant-Tanager |
| Habia cristata | Crested Ant-Tanager | Crested Ant-Tanager |
| Habia fuscicauda | Red-throated Ant-Tanager | Red-throated Ant-Tanager |
| Habia gutturalis | Sooty Ant-Tanager | Sooty Ant-Tanager |
| Habia rubica | Red-crowned Ant-Tanager | Red-crowned Ant-Tanager |
| Haematoderus militaris | Crimson Fruitcrow | Crimson Fruitcrow |
| Haematopus ater | Blackish Oystercatcher | Blackish Oystercatcher |
| Haematopus bachmani | American Black Oystercatcher | Black Oystercatcher |
| Haematopus fuliginosus | Sooty Oystercatcher | Sooty Oystercatcher |
| Haematopus leucopodus | Magellanic Oystercatcher | Magellanic Oystercatcher |
| Haematopus longirostris | Pied Oystercatcher | Pied Oystercatcher |
| Haematopus meadewaldoi | Canary Islands Oystercatcher | Canary Islands Oystercatcher |
| Haematopus moquini | African Black Oystercatcher | African Oystercatcher |
| Haematopus ostralegus | Palaearctic Oystercatcher | Eurasian Oystercatcher |
| Haematopus palliatus | American Oystercatcher | American Oystercatcher |
| Haematopus unicolor | Variable Oystercatcher | Variable Oystercatcher |
| Haematortyx sanguiniceps | Crimson-headed Wood Partridge | Crimson-headed Partridge |
| Haematospiza sipahi | Scarlet Finch | Scarlet Finch |
| Halcyon albiventris | Brown-hooded Kingfisher | Brown-hooded Kingfisher |
| Halcyon badia | Chocolate-backed Kingfisher | Chocolate-backed Kingfisher |
| Halcyon chelicuti | Striped Kingfisher | Striped Kingfisher |
| Halcyon coromanda | Ruddy Kingfisher | Ruddy Kingfisher |
| Halcyon cyanoventris | Java Kingfisher | Javan Kingfisher |
| Halcyon leucocephala | Grey-headed Kingfisher | Grey-headed Kingfisher |
| Halcyon malimbica | Blue-breasted Kingfisher | Blue-breasted Kingfisher |
| Halcyon pileata | Black-capped Kingfisher | Black-capped Kingfisher |
| Halcyon senegalensis | Woodland Kingfisher | Woodland Kingfisher |
| Halcyon senegaloides | African Mangrove Kingfisher | Mangrove Kingfisher |
| Halcyon smyrnensis | White-throated Kingfisher | White-throated Kingfisher |
| Haliaeetus albicilla | White-tailed Sea Eagle | White-tailed Eagle |
| Haliaeetus leucocephalus | American Bald Eagle | Bald Eagle |
| Haliaeetus leucogaster | White-bellied Sea Eagle | White-bellied Fish-Eagle |
| Haliaeetus leucoryphus | Pallas' Sea Eagle | Pallas's Sea-Eagle |
| Haliaeetus pelagicus | Steller's Sea Eagle | Steller's Sea-Eagle |
| Haliaeetus sanfordi | Sanford's Sea Eagle | Sanford's Fish-Eagle |
| Haliaeetus vocifer | African Fish Eagle | African Fish-Eagle |
| Haliaeetus vociferoides | Madagascar Fish Eagle | Madagascar Fish-Eagle |
| Haliastur indus | Brahminy Kite | Brahminy Kite |
| Haliastur sphenurus | Whistling Kite | Whistling Kite |
| Halobaena caerulea | Blue Petrel | Blue Petrel |
| Hamirostra melanosternon | Black-breasted Buzzard Kite | Black-breasted Buzzard |
| Hapalopsittaca amazonina | Rusty-faced Parrot | Rusty-faced Parrot |
| Hapalopsittaca fuertesi | Indigo-winged Parrot | Indigo-winged Parrot |
| Hapalopsittaca melanotis | Black-winged Parrot | Black-winged Parrot |
| Hapalopsittaca pyrrhops | Red-faced Parrot | Red-faced Parrot |
| Hapaloptila castanea | White-faced Nunbird | White-faced Nunbird |
| Haplophaedia aureliae | Greenish Puffleg | Greenish Puffleg |
| Haplophaedia lugens | Hoary Puffleg | Hoary Puffleg |
| Haplospiza rustica | Slaty Finch | Slaty Finch |
| Haplospiza unicolor | Uniform Finch | Uniform Finch |
| Harpactes ardens | Philippine Trogon | Philippine Trogon |
| Harpactes diardii | Diard's Trogon | Diard's Trogon |
| Harpactes duvaucelii | Scarlet-rumped Trogon | Scarlet-rumped Trogon |
| Harpactes erythrocephalus | Red-headed Trogon | Red-headed Trogon |
| Harpactes fasciatus | Malabar Trogon | Malabar Trogon |
| Harpactes kasumba | Red-naped Trogon | Red-naped Trogon |
| Harpactes oreskios | Orange-breasted Trogon | Orange-breasted Trogon |
| Harpactes orrhophaeus | Cinnamon-rumped Trogon | Cinnamon-rumped Trogon |
| Harpactes reinwardtii | Reinwardt's Blue-tailed Trogon | Blue-tailed Trogon |
| Harpactes wardi | Ward's Trogon | Ward's Trogon |
| Harpactes whiteheadi | Whitehead's Trogon | Whitehead's Trogon |
| Harpagus bidentatus | Double-toothed Kite | Double-toothed Kite |
| Harpagus diodon | Rufous-thighed Kite | Rufous-thighed Kite |
| Harpia harpyja | Harpy Eagle | Harpy Eagle |
| Harpyhaliaetus coronatus | Crowned Solitary Eagle | Crowned Eagle |
| Harpyhaliaetus solitarius | Black Solitary Eagle | Solitary Eagle |
| Harpyopsis novaeguineae | New Guinea Harpy Eagle | New Guinea Eagle |
| Heinrichia calligyna | Sulawesi Shortwing | Great Shortwing |
| Heleia crassirostris | Stripe-headed White-eye | Thick-billed White-eye |
| Heleia muelleri | Timor White-eye | Spot-breasted White-eye |
| Heliactin cornuta | Horned Sungem | Horned Sungem |
| Heliangelus amethysticollis | Amethyst-throated Sunangel | Amethyst-throated Sunangel |
| Heliangelus exortis | Tourmaline Sunangel | Tourmaline Sunangel |
| Heliangelus mavors | Orange-throated Sunangel | Orange-throated Sunangel |
| Heliangelus regalis | Royal Sunangel | Royal Sunangel |
| Heliangelus spencei | Merida Sunangel | Merida Sunangel |
| Heliangelus strophianus | Gorgeted Sunangel | Gorgeted Sunangel |
| Heliangelus viola | Purple-throated Sunangel | Purple-throated Sunangel |
| Heliodoxa branickii | Rufous-webbed Brilliant | Rufous-webbed Brilliant |
| Heliodoxa gularis | Pink-throated Brilliant | Pink-throated Brilliant |
| Heliodoxa imperatrix | Empress Brilliant | Empress Brilliant |
| Heliodoxa jacula | Green-crowned Brilliant | Green-crowned Brilliant |
| Heliodoxa leadbeateri | Violet-fronted Brilliant | Violet-fronted Brilliant |
| Heliodoxa rubinoides | Fawn-breasted Brilliant | Fawn-breasted Brilliant |
| Heliodoxa schreibersii | Black-throated Brilliant | Black-throated Brilliant |
| Heliodoxa xanthogonys | Velvet-browed Brilliant | Velvet-browed Brilliant |
| Heliomaster constantii | Plain-capped Starthroat | Plain-capped Starthroat |
| Heliomaster furcifer | Blue-tufted Starthroat | Blue-tufted Starthroat |
| Heliomaster longirostris | Long-billed Starthroat | Long-billed Starthroat |
| Heliomaster squamosus | Stripe-breasted Starthroat | Stripe-breasted Starthroat |
| Heliopais personata | Masked Finfoot | Masked Finfoot |
| Heliornis fulica | American Finfoot | Sungrebe |
| Heliothryx aurita | Black-eared Fairy | Black-eared Fairy |
| Heliothryx barroti | Purple-crowned Fairy | Purple-crowned Fairy |
| Hellmayrea gularis | Lafresnaye's White-browed Spinetail | White-browed Spinetail |
| Helmitheros vermivorus | Worm-eating Warbler | Worm-eating Warbler |
| Hemicircus canente | Heart-spotted Woodpecker | Heart-spotted Woodpecker |
| Hemicircus concretus | Grey & Buff Woodpecker | Grey-and-buff Woodpecker |
| Hemignathus lucidus | Nukupuu | Nukupuu |
| Hemiphaga novaeseelandiae | New Zealand Pigeon | New Zealand Pigeon |
| Hemiprocne comata | Lesser Tree Swift | Whiskered Treeswift |
| Hemiprocne longipennis | Crested Tree Swift | Grey-rumped Treeswift |
| Hemiprocne mystacea | Whiskered Tree Swift | Moustached Treeswift |
| Hemipus hirundinaceus | Black-winged Flycatcher Shrike | Black-winged Flycatcher-shrike |
| Hemipus picatus | Bar-winged Flycatcher Shrike | Bar-winged Flycatcher-shrike |
| Hemispingus atropileus | Black-capped Hemispingus | Black-capped Hemispingus |
| Hemispingus calophrys | Orange-browed Hemispingus | Orange-browed Hemispingus |
| Hemispingus frontalis | Oleaginous Hemispingus | Oleaginous Hemispingus |
| Hemispingus goeringi | Slaty-backed Hemispingus | Slaty-backed Hemispingus |
| Hemispingus melanotis | Black-eared Hemispingus | Black-eared Hemispingus |
| Hemispingus parodii | Parodi's Tanager | Parodi's Hemispingus |
| Hemispingus reyi | Grey-capped Hemispingus | Grey-capped Hemispingus |
| Hemispingus rufosuperciliaris | Rufous-browed Hemispingus | Rufous-browed Hemispingus |
| Hemispingus superciliaris | Superciliaried Hemispingus | Superciliaried Hemispingus |
| Hemispingus trifasciatus | Three-striped Hemispingus | Three-striped Hemispingus |
| Hemispingus verticalis | Black-headed Hemispingus | Black-headed Hemispingus |
| Hemispingus xanthophthalmus | Drab Hemispingus | Drab Hemispingus |
| Hemitesia neumanni | Neumann's Short-tailed Warbler | Neumann's Warbler |
| Hemithraupis flavicollis | Yellow-backed Tanager | Yellow-backed Tanager |
| Hemithraupis guira | Guira Tanager | Guira Tanager |
| Hemithraupis ruficapilla | Rufous-headed Tanager | Rufous-headed Tanager |
| Hemitriccus aenigma | Zimmer's Tody Tyrant | Zimmer's Tody-Tyrant |
| Hemitriccus cinnamomeipectus | Cinnamon-breasted Tody Tyrant | Cinnamon-breasted Tody-Tyrant |
| Hemitriccus diops | Drab-breasted Pygmy Tyrant | Drab-breasted Bamboo-Tyrant |
| Hemitriccus flammulatus | Flammulated Pygmy Tyrant | Flammulated Bamboo-Tyrant |
| Hemitriccus furcatus | Fork-tailed Pygmy Tyrant | Fork-tailed Tody-Tyrant |
| Hemitriccus granadensis | Black-throated Tody Tyrant | Black-throated Tody-Tyrant |
| Hemitriccus inornatus | Pelzeln's Tody Tyrant | Pelzeln's Tody-Tyrant |
| Hemitriccus iohannis | Johannes' Tody Tyrant | Johannes's Tody-Tyrant |
| Hemitriccus josephinae | Boat-billed Tody Tyrant | Boat-billed Tody-Tyrant |
| Hemitriccus kaempferi | Kaempfer's Tody Tyrant | Kaempfer's Tody-Tyrant |
| Hemitriccus margaritaceiventer | Pearly-vented Tody Tyrant | Pearly-vented Tody-Tyrant |
| Hemitriccus minor | Snethlage's Tody Tyrant | Snethlage's Tody-Tyrant |
| Hemitriccus mirandae | Buff-breasted Tody Tyrant | Buff-breasted Tody-Tyrant |
| Hemitriccus nidipendulus | Hangnest Tody Tyrant | Hangnest Tody-Tyrant |
| Hemitriccus obsoletus | Brown-breasted Pygmy Tyrant | Brown-breasted Bamboo-Tyrant |
| Hemitriccus orbitatus | Olivaceous Tody Tyrant | Eye-ringed Tody-Tyrant |
| Hemitriccus rufigularis | Buff-throated Tody Tyrant | Buff-throated Tody-Tyrant |
| Hemitriccus spodiops | Yungas Tody Tyrant | Yungas Tody-Tyrant |
| Hemitriccus striaticollis | Stripe-necked Tody Tyrant | Stripe-necked Tody-Tyrant |
| Hemitriccus zosterops | White-eyed Tody Tyrant | White-eyed Tody-Tyrant |
| Henicopernis longicauda | Long-tailed Honey Buzzard | Long-tailed Honey-buzzard |
| Henicophaps albifrons | Black Bronzewing | New Guinea Bronzewing |
| Henicophaps foersteri | New Britain Bronzewing | New Britain Bronzewing |
| Henicorhina leucophrys | Grey-breasted Wood Wren | Grey-breasted Wood-Wren |
| Henicorhina leucoptera | Bar-winged Wood Wren | Bar-winged Wood-Wren |
| Henicorhina leucosticta | White-breasted Wood Wren | White-breasted Wood-Wren |
| Herpetotheres cachinnans | Laughing Falcon | Laughing Falcon |
| Herpsilochmus axillaris | Yellow-breasted Antwren | Yellow-breasted Antwren |
| Herpsilochmus dorsimaculatus | Spot-backed Antwren | Spot-backed Antwren |
| Herpsilochmus longirostris | Large-billed Antwren | Large-billed Antwren |
| Herpsilochmus pectoralis | Pectoral Antwren | Pectoral Antwren |
| Herpsilochmus pileatus | Black-capped Antwren | Bahia Antwren |
| Herpsilochmus roraimae | Roraiman Antwren | Roraiman Antwren |
| Herpsilochmus rufimarginatus | Rufous-winged Antwren | Rufous-winged Antwren |
| Herpsilochmus stictocephalus | Todd's Antwren | Todd's Antwren |
| Herpsilochmus sticturus | Spot-tailed Antwren | Spot-tailed Antwren |
| Heterocercus aurantiivertex | Orange-crowned Manakin | Orange-crested Manakin |
| Heterocercus flavivertex | Yellow-crowned Manakin | Yellow-crested Manakin |
| Heterocercus linteatus | Flame-crowned Manakin | Flame-crested Manakin |
| Heteromirafra archeri | Archer's Lark | Archer's Lark |
| Heteromirafra ruddi | Rudd's Lark | Rudd's Lark |
| Heteromirafra sidamoensis | Sidamo Lark | Sidamo Lark |
| Heteromyias albispecularis | Ground Thicket Robin | Ashy Robin |
| Heteromyias cinereifrons | Grey-headed Thicket Robin | Grey-headed Robin |
| Heteronetta atricapilla | Black-headed Duck | Black-headed Duck |
| Heterophasia auricularis | White-eared Sibia | White-eared Sibia |
| Heterophasia capistrata | Black-capped Sibia | Rufous Sibia |
| Heterophasia gracilis | Grey Sibia | Grey Sibia |
| Heterophasia melanoleuca | Black-headed Sibia | Black-headed Sibia |
| Heterophasia picaoides | Long-tailed Sibia | Long-tailed Sibia |
| Heterophasia pulchella | Beautiful Sibia | Beautiful Sibia |
| Heterospingus xanthopygius | Scarlet-browed Tanager | Scarlet-browed Tanager |
| Heteroxolmis dominicana | Black & White Monjita | Black-and-white Monjita |
| Hieraaetus ayresii | Ayres' Hawk Eagle | Ayres's Hawk-Eagle |
| Hieraaetus fasciatus | Bonelli's Eagle | Bonelli's Eagle |
| Hieraaetus kienerii | Chestnut-bellied Hawk Eagle | Rufous-bellied Eagle |
| Hieraaetus morphnoides | Little Eagle | Little Eagle |
| Hieraaetus pennatus | Booted Eagle | Booted Eagle |
| Hieraaetus spilogaster | African Hawk Eagle | African Hawk-Eagle |
| Himantopus himantopus | Black-winged Stilt | Black-winged Stilt |
| Himantopus leucocephalus | Australian Stilt | White-headed Stilt |
| Himantopus melanurus | Black-tailed Stilt | White-backed Stilt |
| Himantopus mexicanus | Black-necked Stilt | Black-necked Stilt |
| Himantopus novaezelandiae | New Zealand Stilt | Black Stilt |
| Himantornis haematopus | Nkulengu Rail | Nkulengu Rail |
| Himatione sanguinea | Apapane | Apapane |
| Hippolais caligata | Booted Warbler | Booted Warbler |
| Hippolais icterina | Icterine Warbler | Icterine Warbler |
| Hippolais languida | Upcher's Warbler | Upcher's Warbler |
| Hippolais olivetorum | Olive-tree Warbler | Olive-tree Warbler |
| Hippolais pallida | Olivaceous Warbler | Olivaceous Warbler |
| Hippolais polyglotta | Melodious Warbler | Melodious Warbler |
| Hippolais rama | Sykes's Warbler | Sykes's Warbler |
| Hirundapus celebensis | Sulawesi Spinetailed Swift | Purple Needletail |
| Hirundapus cochinchinensis | White-vented Spinetailed Swift | Silver-backed Needletail |
| Hirundinea ferruginea | Cliff Flycatcher | Cliff Flycatcher |
| Hirundo abyssinica | Lesser Striped Swallow | Lesser Striped-Swallow |
| Hirundo aethiopica | Ethiopian Swallow | Ethiopian Swallow |
| Hirundo albigularis | White-throated Swallow | White-throated Swallow |
| Hirundo andecola | Andean Swallow | Andean Swallow |
| Hirundo angolensis | Angola Swallow | Angola Swallow |
| Hirundo ariel | Fairy Martin | Fairy Martin |
| Hirundo atrocaerulea | Blue Swallow | Blue Swallow |
| Hirundo concolor | Dusky Crag Martin | Dusky Crag-Martin |
| Hirundo cucullata | Greater Striped Swallow | Greater Striped-Swallow |
| Hirundo daurica | Red-rumped Swallow | Red-rumped Swallow |
| Hirundo dimidiata | Pearl-breasted Swallow | Pearl-breasted Swallow |
| Hirundo fluvicola | Indian Cliff Swallow | Streak-throated Swallow |
| Hirundo fuliginosa | Forest Swallow | Forest Swallow |
| Hirundo fuligula | African Rock Martin | Rock Martin |
| Hirundo fulva | Cave Swallow | Cave Swallow |
| Hirundo leucosoma | Pied-winged Swallow | Pied-winged Swallow |
| Hirundo lucida | Red-chested Swallow | Red-chested Swallow |
| Hirundo megaensis | White-tailed Swallow | White-tailed Swallow |
| Hirundo nigricans | Tree Martin | Tree Martin |
| Hirundo nigrita | White-throated Blue Swallow | White-throated Blue Swallow |
| Hirundo nigrorufa | Black & Rufous Swallow | Black-and-rufous Swallow |
| Hirundo obsoleta | Pale Crag Martin | Pale Crag-Martin |
| Hirundo perdita | Red Sea Cliff Swallow | Red Sea Swallow |
| Hirundo preussi | Preuss' Cliff Swallow | Preuss's Swallow |
| Hirundo pyrrhonota | American Cliff Swallow | Cliff Swallow |
| Hirundo rufigula | Red-throated Cliff Swallow | Red-throated Swallow |
| Hirundo rufocollaris | Chestnut-collared Swallow | Chestnut-collared Swallow |
| Hirundo rupestris | Crag Martin | Eurasian Crag-Martin |
| Hirundo rustica | Barn Swallow | Barn Swallow |
| Hirundo semirufa | Red-breasted Swallow | Rufous-chested Swallow |
| Hirundo senegalensis | Mosque Swallow | Mosque Swallow |
| Hirundo smithii | Wire-tailed Swallow | Wire-tailed Swallow |
| Hirundo spilodera | South African Cliff Swallow | South African Swallow |
| Hirundo striolata | Greater Striated Swallow | Striated Swallow |
| Hirundo tahitica | Pacific Swallow | Pacific Swallow |
| Histrionicus histrionicus | Harlequin Duck | Harlequin Duck |
| Histurgops ruficauda | Rufous-tailed Weaver | Rufous-tailed Weaver |
| Hodgsonius phaenicuroides | White-bellied Redstart | White-bellied Redstart |
| Horizorhinus dohrni | Dohrn's Thrush-Babbler | Dohrn's Flycatcher |
| Humblotia flavirostris | Humblot's Flycatcher | Humblot's Flycatcher |
| Hydrobates pelagicus | British Storm Petrel | European Storm-Petrel |
| Hydrophasianus chirurgus | Pheasant-tailed Jacana | Pheasant-tailed Jacana |
| Hydropsalis brasiliana | Scissor-tailed Nightjar | Scissor-tailed Nightjar |
| Hydropsalis climacocerca | Ladder-tailed Nightjar | Ladder-tailed Nightjar |
| Hyetornis pluvialis | Chestnut-bellied Cuckoo | Chestnut-bellied Cuckoo |
| Hyetornis rufigularis | Rufous-breasted Cuckoo | Bay-breasted Cuckoo |
| Hylacola cautus | Shy Heath Wren | Shy Hylacola |
| Hylexetastes perrotii | Red-billed Woodcreeper | Red-billed Woodcreeper |
| Hylexetastes stresemanni | Bar-bellied Woodcreeper | Bar-bellied Woodcreeper |
| Hylia prasina | Green Hylia | Green Hylia |
| Hyliota australis | Southern Yellow-bellied Flycatcher | Southern Hyliota |
| Hyliota flavigaster | Yellow-bellied Flycatcher | Yellow-bellied Hyliota |
| Hyliota violacea | Violet-backed Flycatcher | Violet-backed Hyliota |
| Hylocharis chrysura | Gilded Hummingbird | Gilded Hummingbird |
| Hylocharis cyanus | White-chinned Sapphire | White-chinned Sapphire |
| Hylocharis eliciae | Blue-throated Goldentail | Blue-throated Goldentail |
| Hylocharis grayi | Blue-headed Sapphire | Blue-headed Sapphire |
| Hylocharis leucotis | White-eared Hummingbird | White-eared Hummingbird |
| Hylocharis pyropygia | Flame-rumped Sapphire | Flame-rumped Sapphire |
| Hylocharis sapphirina | Rufous-throated Sapphire | Rufous-throated Sapphire |
| Hylocharis xantusii | Black-fronted Hummingbird | Xantus's Hummingbird |
| Hylocitrea bonensis | Buff-throated Thickhead | Olive-flanked Whistler |
| Hylomanes momotula | Tody-Motmot | Tody Motmot |
| Hylonympha macrocerca | Scissor-tailed Hummingbird | Scissor-tailed Hummingbird |
| Hylopezus berlepschi | Amazonian Antpitta | Amazonian Antpitta |
| Hylopezus fulviventris | Fulvous-bellied Antpitta | White-lored Antpitta |
| Hylopezus macularius | Spotted Antpitta | Spotted Antpitta |
| Hylopezus ochroleucus | Speckle-breasted Antpitta | White-browed Antpitta |
| Hylopezus perspicillatus | Streak-chested Antpitta | Spectacled Antpitta |
| Hylophilus amaurocephalus | Grey-eyed Greenlet | Grey-eyed Greenlet |
| Hylophilus aurantiifrons | Golden-fronted Greenlet | Golden-fronted Greenlet |
| Hylophilus brunneiceps | Brown-headed Greenlet | Brown-headed Greenlet |
| Hylophilus decurtatus | Grey-headed Greenlet | Lesser Greenlet |
| Hylophilus flavipes | Scrub Greenlet | Scrub Greenlet |
| Hylophilus hypoxanthus | Dusky-capped Greenlet | Dusky-capped Greenlet |
| Hylophilus muscicapinus | Buff-chested Greenlet | Buff-cheeked Greenlet |
| Hylophilus ochraceiceps | Tawny-crowned Greenlet | Tawny-crowned Greenlet |
| Hylophilus olivaceus | Olivaceous Greenlet | Olivaceous Greenlet |
| Hylophilus pectoralis | Ashy-headed Greenlet | Ashy-headed Greenlet |
| Hylophilus poicilotis | Rufous-crowned Greenlet | Rufous-crowned Greenlet |
| Hylophilus sclateri | Tepui Greenlet | Tepui Greenlet |
| Hylophilus semibrunneus | Rufous-naped Greenlet | Rufous-naped Greenlet |
| Hylophilus semicinereus | Grey-chested Greenlet | Grey-chested Greenlet |
| Hylophilus thoracicus | Lemon-chested Greenlet | Lemon-chested Greenlet |
| Hylophylax naevia | Spot-backed Antbird | Spot-backed Antbird |
| Hylophylax naevioides | Spotted Antbird | Spotted Antbird |
| Hylophylax poecilonota | Scale-backed Antbird | Scale-backed Antbird |
| Hylophylax punctulata | Dot-backed Antbird | Dot-backed Antbird |
| Hylorchilus sumichrasti | Slender-billed Wren | Slender-billed Wren |
| Hypargos margaritatus | Rosy Twin-spot | Pink-throated Twinspot |
| Hypargos niveoguttatus | Peters's Twin-spot | Peters's Twinspot |
| Hypergerus atriceps | Oriole Warbler | Oriole Warbler |
| Hypnelus ruficollis | Russet-throated Puffbird | Russet-throated Puffbird |
| Hypocnemis cantator | Warbling Antbird | Warbling Antbird |
| Hypocnemis hypoxantha | Yellow-browed Antbird | Yellow-browed Antbird |
| Hypocnemoides maculicauda | Band-tailed Antcreeper | Band-tailed Antbird |
| Hypocnemoides melanopogon | Black-chinned Antcreeper | Black-chinned Antbird |
| Hypocolius ampelinus | Grey Hypocolius | Grey Hypocolius |
| Hypocryptadius cinnamomeus | Cinnamon White-eye | Cinnamon Ibon |
| Hypoedaleus guttatus | Spot-backed Antshrike | Spot-backed Antshrike |
| Hypogramma hypogrammicum | Blue-naped Sunbird | Purple-naped Sunbird |
| Hypopyrrhus pyrohypogaster | Red-bellied Grackle | Red-bellied Grackle |
| Hypositta corallirostris | Coral-billed Nuthatch | Nuthatch Vanga |
| Hypothymis azurea | Black-naped Blue Monarch | Black-naped Monarch |
| Hypothymis coelestis | Celestial Blue Monarch | Celestial Monarch |
| Hypothymis helenae | Short-crested Blue Monarch | Short-crested Monarch |
| Hypsipetes borbonicus | Reunion Bulbul | Olivaceous Bulbul |
| Hypsipetes crassirostris | Thick-billed Bulbul | Seychelles Bulbul |
| Hypsipetes leucocephalus | Black Bulbul | Black Bulbul |
| Hypsipetes madagascariensis | Madagascar Bulbul | Madagascar Bulbul |
| Hypsipetes mcclellandii | Mountain Streaked Bulbul | Mountain Bulbul |
| Hypsipetes nicobariensis | Nicobar Bulbul | Nicobar Bulbul |
| Hypsipetes parvirostris | Comoro Bulbul | Comoro Bulbul |
| Hypsipetes thompsoni | Bingham's Bulbul | White-headed Bulbul |
| Hypsipetes virescens | Sumatran Bulbul | Green-winged Bulbul |
| Ibidorhyncha struthersii | Ibis Bill | Ibisbill |
| Ichthyophaga humilis | Lesser Fishing Eagle | Lesser Fish-Eagle |
| Ichthyophaga ichthyaetus | Grey-headed Fishing Eagle | Grey-headed Fish-Eagle |
| Icteria virens | Yellow-breasted Chat | Yellow-breasted Chat |
| Icterus auratus | Orange Oriole | Orange Oriole |
| Icterus auricapillus | Orange-crowned Oriole | Orange-crowned Oriole |
| Icterus bonana | Martinique Oriole | Martinique Oriole |
| Icterus cayanensis | Epaulet Oriole | Epaulet Oriole |
| Icterus chrysater | Yellow-backed Oriole | Yellow-backed Oriole |
| Icterus chrysocephalus | Moriche Oriole | Moriche Oriole |
| Icterus cucullatus | Hooded Oriole | Hooded Oriole |
| Icterus dominicensis | Black-cowled Oriole | Black-cowled Oriole |
| Icterus galbula | Northern Oriole | Northern Oriole |
| Icterus graceannae | White-edged Oriole | White-edged Oriole |
| Icterus graduacauda | Audubon's Oriole | Audubon's Oriole |
| Icterus gularis | Altamira Oriole | Altamira Oriole |
| Icterus icterus | Troupial | Troupial |
| Icterus laudabilis | St. Lucia Oriole | St. Lucia Oriole |
| Icterus leucopteryx | Jamaican Oriole | Jamaican Oriole |
| Icterus maculialatus | Bar-winged Oriole | Bar-winged Oriole |
| Icterus mesomelas | Yellow-tailed Oriole | Yellow-tailed Oriole |
| Icterus nigrogularis | Yellow Oriole | Yellow Oriole |
| Icterus oberi | Montserrat Oriole | Montserrat Oriole |
| Icterus parisorum | Scott's Oriole | Scott's Oriole |
| Icterus pectoralis | Spotted-breasted Oriole | Spot-breasted Oriole |
| Icterus pustulatus | Streak-backed Oriole | Streak-backed Oriole |
| Icterus spurius | Orchard Oriole | Orchard Oriole |
| Icterus wagleri | Black-vented Oriole | Black-vented Oriole |
| Ictinaetus malayensis | Indian Black Eagle | Black Eagle |
| Ictinia mississippiensis | Mississippi Kite | Mississippi Kite |
| Ictinia plumbea | Plumbeous Kite | Plumbeous Kite |
| Idiopsar brachyurus | Short-tailed Finch | Short-tailed Finch |
| Ifrita kowaldi | Blue-capped Babbler | Ifrit |
| Ilicura militaris | Pin-tailed Manakin | Pin-tailed Manakin |
| Illadopsis albipectus | Scaly-breasted Thrush Babbler | Scaly-breasted Illadopsis |
| Illadopsis atriceps | Ruwenzori Hill Babbler | Ruwenzori Hill-Babbler |
| Illadopsis cleaveri | Blackcap Thrush Babbler | Blackcap Illadopsis |
| Illadopsis fulvescens | Brown Thrush Babbler | Brown Illadopsis |
| Illadopsis puveli | Puvel's Thrush Babbler | Puvel's Illadopsis |
| Illadopsis rufescens | Rufous-winged Thrush Babbler | Rufous-winged Illadopsis |
| Illadopsis rufipennis | Pale-breasted Thrush Babbler | Pale-breasted Illadopsis |
| Incaspiza laeta | Buff-bridled Inca Finch | Buff-bridled Inca-Finch |
| Incaspiza ortizi | Grey-winged Inca Finch | Grey-winged Inca-Finch |
| Incaspiza personata | Rufous-backed Inca Finch | Rufous-backed Inca-Finch |
| Incaspiza pulchra | Great Inca Finch | Great Inca-Finch |
| Incaspiza watkinsi | Little Inca Finch | Little Inca-Finch |
| Indicator conirostris | Thick-billed Honeyguide | Thick-billed Honeyguide |
| Indicator exilis | Least Honeyguide | Least Honeyguide |
| Indicator indicator | Black-throated Honeyguide | Greater Honeyguide |
| Indicator maculatus | Spotted Honeyguide | Spotted Honeyguide |
| Indicator meliphilus | Eastern Least Honeyguide | Pallid Honeyguide |
| Indicator minor | Lesser Honeyguide | Lesser Honeyguide |
| Indicator pumilio | Pygmy Honeyguide | Dwarf Honeyguide |
| Indicator variegatus | Scaly-throated Honeyguide | Scaly-throated Honeyguide |
| Indicator willcocksi | Willcocks' Honeyguide | Willcocks's Honeyguide |
| Indicator xanthonotus | Indian Honeyguide | Yellow-rumped Honeyguide |
| Inezia inornata | Plain Tyrannulet | Plain Tyrannulet |
| Inezia subflava | Pale-tipped Tyrannulet | Pale-tipped Tyrannulet |
| Inezia tenuirostris | Slender-billed Tyrannulet | Slender-billed Tyrannulet |
| Iodopleura fusca | Dusky Purpletuft | Dusky Purpletuft |
| Iodopleura isabellae | White-browed Purpletuft | White-browed Purpletuft |
| Iodopleura pipra | Buff-throated Purpletuft | Buff-throated Purpletuft |
| Irediparra gallinacea | Comb-crested Jacana | Comb-crested Jacana |
| Irena cyanogaster | Black-mantled Fairy Bluebird | Philippine Fairy-bluebird |
| Irena puella | Blue-backed Fairy Bluebird | Asian Fairy-bluebird |
| Iridophanes pulcherrima | Yellow-collared Tanager | Golden-collared Honeycreeper |
| Iridosornis analis | Yellow-throated Tanager | Yellow-throated Tanager |
| Iridosornis jelskii | Golden-collared Tanager | Golden-collared Tanager |
| Iridosornis porphyrocephala | Purplish-mantled Tanager | Purplish-mantled Tanager |
| Iridosornis reinhardti | Yellow-scarfed Tanager | Yellow-scarfed Tanager |
| Iridosornis rufivertex | Golden-crowned Tanager | Golden-crowned Tanager |
| Ithaginis cruentus | Blood Pheasant | Blood Pheasant |
| Ixobrychus cinnamomeus | Cinnamon Bittern | Cinnamon Bittern |
| Ixobrychus eurhythmus | Schrenck's Bittern | Schrenck's Bittern |
| Ixobrychus exilis | Least Bittern | Least Bittern |
| Ixobrychus involucris | Stripe-backed Bittern | Stripe-backed Bittern |
| Ixobrychus minutus | Little Bittern | Little Bittern |
| Ixobrychus sinensis | Chinese Little Bittern | Yellow Bittern |
| Ixobrychus sturmii | African Dwarf Bittern | Dwarf Bittern |
| Ixonotus guttatus | Spotted Greenbul | Spotted Greenbul |
| Jabouilleia danjoui | Danjou's Babbler | Short-tailed Scimitar-Babbler |
| Jacamaralcyon tridactyla | Three-toed Jacamar | Three-toed Jacamar |
| Jacana jacana | Wattled Jacana | Wattled Jacana |
| Jacana spinosa | Northern Jacana | Northern Jacana |
| Jubula lettii | Maned Owl | Maned Owl |
| Junco hyemalis | Dark-eyed Junco | Dark-eyed Junco |
| Junco phaeonotus | Mexican Junco | Yellow-eyed Junco |
| Junco vulcani | Volcano Junco | Volcano Junco |
| Jynx ruficollis | Rufous-necked Wryneck | Rufous-necked Wryneck |
| Jynx torquilla | Northern Wryneck | Eurasian Wryneck |
| Kakamega poliothorax | Grey-chested Thrush Babbler | Grey-chested Illadopsis |
| Kaupifalco monogrammicus | Lizard Buzzard | Lizard Buzzard |
| Kenopia striata | Striped Wren Babbler | Striped Wren-Babbler |
| Klais guimeti | Violet-headed Hummingbird | Violet-headed Hummingbird |
| Knipolegus aterrimus | White-winged Black Tyrant | White-winged Black-Tyrant |
| Knipolegus cyanirostris | Blue-billed Black Tyrant | Blue-billed Black-Tyrant |
| Knipolegus hudsoni | Hudson's Black Tyrant | Hudson's Black-Tyrant |
| Knipolegus lophotes | Crested Black Tyrant | Crested Black-Tyrant |
| Knipolegus nigerrimus | Velvety Black Tyrant | Velvety Black-Tyrant |
| Knipolegus orenocensis | Riverside Tyrant | Riverside Tyrant |
| Knipolegus poecilocercus | Amazonian Black Tyrant | Amazonian Black-Tyrant |
| Knipolegus poecilurus | Rufous-tailed Tyrant | Rufous-tailed Tyrant |
| Knipolegus signatus | Jelski's Bush Tyrant | Andean Tyrant |
| Knipolegus striaticeps | Cinereous Tyrant | Cinereous Tyrant |
| Kupeornis chapini | Chapin's Flycatcher Babbler | Chapin's Mountain-Babbler |
| Kupeornis gilberti | White-throated Mountain Babbler | White-throated Mountain-Babbler |
| Kupeornis rufocinctus | Red-collared Flycatcher Babbler | Red-collared Mountain-Babbler |
| Lacedo pulchella | Banded Kingfisher | Banded Kingfisher |
| Lafresnaya lafresnayi | Mountain Velvetbreast | Mountain Velvetbreast |
| Lagonosticta landanae | Pale-billed Fire Finch | Pale-billed Firefinch |
| Lagonosticta larvata | Masked Fire Finch | Black-throated Firefinch |
| Lagonosticta nitidula | Brown Fire Finch | Brown Firefinch |
| Lagonosticta rara | Black-bellied Fire Finch | Black-bellied Firefinch |
| Lagonosticta rhodopareia | Jameson's Fire Finch | Jameson's Firefinch |
| Lagonosticta rubricata | African Fire Finch | African Firefinch |
| Lagonosticta rufopicta | Bar-breasted Fire Finch | Bar-breasted Firefinch |
| Lagonosticta senegala | Red-billed Fire Finch | Red-billed Firefinch |
| Lagonosticta umbrinodorsalis | Reichenow's Fire Finch | Reichenow's Firefinch |
| Lagonosticta vinacea | Vinaceous Fire Finch | Black-faced Firefinch |
| Lagonosticta virata | Kuli Koro Fire Finch | Mali Firefinch |
| Lagopus lagopus | Willow Grouse | Willow Ptarmigan |
| Lagopus leucurus | White-tailed Ptarmigan | White-tailed Ptarmigan |
| Lagopus mutus | Rock Ptarmigan | Rock Ptarmigan |
| Lalage atrovirens | Black-browed Triller | Black-browed Triller |
| Lalage aurea | Red-bellied Triller | Rufous-bellied Triller |
| Lalage leucomela | White-browed Triller | Varied Triller |
| Lalage leucopyga | Long-tailed Triller | Long-tailed Triller |
| Lalage leucopygialis | White-rumped Triller | White-rumped Triller |
| Lalage maculosa | Spotted Triller | Polynesian Triller |
| Lalage melanoleuca | Black & White Triller | Black-and-white Triller |
| Lalage nigra | Pied Triller | Pied Triller |
| Lalage sharpei | Samoan Triller | Samoan Triller |
| Lalage sueurii | White-winged Triller | White-shouldered Triller |
| Lalage tricolor | Australian Triller | White-winged Triller |
| Lampornis amethystinus | Amethyst-throated Hummingbird | Amethyst-throated Hummingbird |
| Lampornis castaneoventris | White-throated Mountain Gem | Variable Mountain-gem |
| Lampornis clemenciae | Blue-throated Hummingbird | Blue-throated Hummingbird |
| Lampornis hemileucus | White-bellied Mountain Gem | White-bellied Mountain-gem |
| Lampornis sybillae | Green-breasted Mountain Gem | Green-breasted Mountain-gem |
| Lampornis viridipallens | Green-throated Mountain Gem | Green-throated Mountain-gem |
| Lamprolaima rhami | Garnet-throated Hummingbird | Garnet-throated Hummingbird |
| Lamprolia victoriae | Silktail | Silktail |
| Lampropsar tanagrinus | Velvet-fronted Grackle | Velvet-fronted Grackle |
| Lamprospiza melanoleuca | Red-billed Pied Tanager | Red-billed Pied Tanager |
| Lamprotornis acuticaudus | Sharp-tailed Glossy Starling | Sharp-tailed Glossy-Starling |
| Lamprotornis australis | Burchell's Starling | Burchell's Glossy-Starling |
| Lamprotornis caudatus | Long-tailed Glossy Starling | Long-tailed Glossy-Starling |
| Lamprotornis chalcurus | Bronze-tailed Glossy Starling | Bronze-tailed Glossy-Starling |
| Lamprotornis chalybaeus | Greater Blue-eared Glossy Starling | Greater Blue-eared Glossy-Starling |
| Lamprotornis chloropterus | Lesser Blue-eared Glossy Starling | Lesser Blue-eared Glossy-Starling |
| Lamprotornis corruscus | Black-bellied Glossy Starling | Black-bellied Glossy-Starling |
| Lamprotornis cupreocauda | Copper-tailed Glossy Starling | Copper-tailed Glossy-Starling |
| Lamprotornis mevesii | Meve's Starling | Meves's Glossy-Starling |
| Lamprotornis nitens | Red-shouldered Glossy Starling | Red-shouldered Glossy-Starling |
| Lamprotornis ornatus | Principe Glossy Starling | Principe Glossy-Starling |
| Lamprotornis purpureiceps | Purple-headed Glossy Starling | Purple-headed Glossy-Starling |
| Lamprotornis purpureus | Purple Glossy Starling | Purple Glossy-Starling |
| Lamprotornis purpuropterus | Ruppell's Long-tailed Glossy Starling | Rueppell's Glossy-Starling |
| Lamprotornis splendidus | Splendid Glossy Starling | Splendid Glossy-Starling |
| Lamprotornis superbus | Superb Starling | Superb Starling |
| Laniarius aethiopicus | Tropical Boubou | Tropical Boubou |
| Laniarius atrococcineus | Burchell's Gonolek | Crimson-breasted Gonolek |
| Laniarius atroflavus | Yellow-breasted Boubou | Yellow-breasted Boubou |
| Laniarius barbarus | Common Gonolek | Common Gonolek |
| Laniarius bicolor | Gabon Boubou | Gabon Boubou |
| Laniarius erythrogaster | Black-headed Gonolek | Black-headed Gonolek |
| Laniarius ferrugineus | Southern Boubou | Southern Boubou |
| Laniarius fuelleborni | Fulleborn's Black Boubou | Fuelleborn's Boubou |
| Laniarius funebris | Slate-coloured Boubou | Slate-colored Boubou |
| Laniarius leucorhynchus | Sooty Boubou | Sooty Boubou |
| Laniarius liberatus | Bulo Burti Boubou | Bulo Burti Boubou |
| Laniarius mufumbiri | Mufumbiri Shrike | Papyrus Gonolek |
| Laniarius ruficeps | Red-crowned Bush Shrike | Red-naped Bushshrike |
| Laniarius turatii | Turati's Boubou | Turati's Boubou |
| Laniisoma elegans | Shrike-like Cotinga | Shrike-like Cotinga |
| Lanio aurantius | Black-throated Shrike-Tanager | Black-throated Shrike-Tanager |
| Lanio fulvus | Fulvous Shrike-Tanager | Fulvous Shrike-Tanager |
| Lanio leucothorax | White-throated Shrike-Tanager | White-throated Shrike-Tanager |
| Lanio versicolor | White-winged Shrike-Tanager | White-winged Shrike-Tanager |
| Laniocera hypopyrra | Cinereous Mourner | Cinereous Mourner |
| Laniocera rufescens | Speckled Mourner | Speckled Mourner |
| Lanioturdus torquatus | Chat-Shrike | Chatshrike |
| Lanius bucephalus | Bull-headed Shrike | Bull-headed Shrike |
| Lanius cabanisi | Long-tailed Fiscal | Long-tailed Fiscal |
| Lanius collaris | Fiscal Shrike | Common Fiscal |
| Lanius collurio | Red-backed Shrike | Red-backed Shrike |
| Lanius collurioides | Burmese Shrike | Burmese Shrike |
| Lanius cristatus | Brown Shrike | Brown Shrike |
| Lanius dorsalis | Taita Fiscal | Teita Fiscal |
| Lanius excubitor | Great Grey Shrike | Northern Shrike |
| Lanius excubitoroides | Grey-backed Fiscal | Grey-backed Fiscal |
| Lanius gubernator | Emin's Shrike | Emin's Shrike |
| Lanius ludovicianus | Loggerhead Shrike | Loggerhead Shrike |
| Lanius mackinnoni | Mackinnon's Shrike | Mackinnon's Shrike |
| Lanius minor | Lesser Grey Shrike | Lesser Grey Shrike |
| Lanius newtoni | Newton's Fiscal | Newton's Fiscal |
| Lanius nubicus | Masked Shrike | Masked Shrike |
| Lanius schach | Black-headed Shrike | Long-tailed Shrike |
| Lanius senator | Woodchat Shrike | Woodchat Shrike |
| Lanius somalicus | Somali Fiscal | Somali Fiscal |
| Lanius souzae | Souza's Shrike | Souza's Shrike |
| Lanius sphenocercus | Chinese Great Grey Shrike | Chinese Grey Shrike |
| Lanius tigrinus | Tiger Shrike | Tiger Shrike |
| Lanius validirostris | Strong-billed Shrike | Mountain Shrike |
| Lanius vittatus | Bay-backed Shrike | Bay-backed Shrike |
| Larosterna inca | Inca Tern | Inca Tern |
| Larus argentatus | Herring Gull | Herring Gull |
| Larus armenicus | Armenian Gull | Armenian Gull |
| Larus atricilla | Laughing Gull | Laughing Gull |
| Larus audouinii | Audouin's Gull | Audouin's Gull |
| Larus belcheri | Band-tailed Gull | Band-tailed Gull |
| Larus brunnicephalus | Indian Black-headed Gull | Brown-headed Gull |
| Larus bulleri | Buller's Gull | Black-billed Gull |
| Larus cachinnans | Yellow-legged Gull | Yellow-legged Gull |
| Larus californicus | Californian Gull | California Gull |
| Larus canus | Mew Gull | Mew Gull |
| Larus cirrocephalus | Grey-headed Gull | Grey-headed Gull |
| Larus crassirostris | Japanese Gull | Black-tailed Gull |
| Larus delawarensis | Ring-billed Gull | Ring-billed Gull |
| Larus dominicanus | Southern Black-backed Gull | Kelp Gull |
| Larus fuliginosus | Dusky Gull | Lava Gull |
| Larus fuscus | Lesser Black-backed Gull | Lesser Black-backed Gull |
| Larus genei | Slender-billed Gull | Slender-billed Gull |
| Larus glaucescens | Glaucous-winged Gull | Glaucous-winged Gull |
| Larus glaucoides | Iceland Gull | Iceland Gull |
| Larus hartlaubii | King Gull | King Gull |
| Larus heermanni | Heermann's Gull | Heermann's Gull |
| Larus hemprichii | Sooty Gull | Sooty Gull |
| Larus hyperboreus | Glaucous Gull | Glaucous Gull |
| Larus ichthyaetus | Great Black-headed Gull | Great Black-headed Gull |
| Larus leucophthalmus | White-eyed Gull | White-eyed Gull |
| Larus livens | Yellow-footed Gull | Yellow-footed Gull |
| Larus maculipennis | Brown-hooded Gull | Brown-hooded Gull |
| Larus marinus | Greater Black-backed Gull | Great Black-backed Gull |
| Larus melanocephalus | Mediterranean Gull | Mediterranean Gull |
| Larus minutus | Little Gull | Little Gull |
| Larus modestus | Grey Gull | Grey Gull |
| Larus novaehollandiae | Silver Gull | Silver Gull |
| Larus occidentalis | Western Gull | Western Gull |
| Larus philadelphia | Bonaparte's Gull | Bonaparte's Gull |
| Larus pipixcan | Franklin's Gull | Franklin's Gull |
| Larus relictus | Relict Gull | Relict Gull |
| Larus ridibundus | Black-headed Gull | Common Black-headed Gull |
| Larus saundersi | Saunders's Gull | Saunders's Gull |
| Larus schistisagus | Slaty-backed Gull | Slaty-backed Gull |
| Larus serranus | Andean Gull | Andean Gull |
| Laterallus albigularis | White-throated Crake | White-throated Crake |
| Laterallus exilis | Grey-breasted Crake | Grey-breasted Crake |
| Laterallus jamaicensis | American Black Crake | Black Rail |
| Laterallus leucopyrrhus | Red & White Crake | Red-and-white Crake |
| Laterallus levraudi | Rusty-flanked Crake | Rusty-flanked Crake |
| Laterallus melanophaius | Rufous-sided Crake | Rufous-sided Crake |
| Laterallus ruber | Ruddy Crake | Ruddy Crake |
| Laterallus spilonotus | Galapagos Rail | Galapagos Rail |
| Laterallus xenopterus | Rufous-faced Crake | Rufous-faced Crake |
| Lathamus discolor | Swift Parrot | Swift Parrot |
| Lathrotriccus euleri | Euler's Flycatcher | Euler's Flycatcher |
| Latoucheornis siemsseni | Fokien Blue Bunting | Slaty Bunting |
| Legatus leucophaius | Piratic Flycatcher | Piratic Flycatcher |
| Leiothrix argentauris | Silver-eared Mesia | Silver-eared Mesia |
| Leiothrix lutea | Pekin Robin | Red-billed Leiothrix |
| Leipoa ocellata | Mallee Fowl | Malleefowl |
| Lepidocolaptes affinis | Spot-crowned Woodcreeper | Spot-crowned Woodcreeper |
| Lepidocolaptes albolineatus | Lineated Woodcreeper | Lineated Woodcreeper |
| Lepidocolaptes angustirostris | Narrow-billed Woodcreeper | Narrow-billed Woodcreeper |
| Lepidocolaptes fuscus | Lesser Woodcreeper | Lesser Woodcreeper |
| Lepidocolaptes leucogaster | White-striped Woodcreeper | White-striped Woodcreeper |
| Lepidocolaptes souleyetii | Streak-headed Woodcreeper | Streak-headed Woodcreeper |
| Lepidocolaptes squamatus | Scaled Woodcreeper | Scaled Woodcreeper |
| Lepidopyga coeruleogularis | Sapphire-throated Hummingbird | Sapphire-throated Hummingbird |
| Lepidopyga goudoti | Shining Green Hummingbird | Shining-green Hummingbird |
| Lepidopyga lilliae | Sapphire-bellied Hummingbird | Sapphire-bellied Hummingbird |
| Leptasthenura aegithaloides | Plain-mantled Tit-Spinetail | Plain-mantled Tit-Spinetail |
| Leptasthenura andicola | Andean Tit-Spinetail | Andean Tit-Spinetail |
| Leptasthenura fuliginiceps | Brown-capped Tit-Spinetail | Brown-capped Tit-Spinetail |
| Leptasthenura pileata | Rusty-crowned Tit-Spinetail | Rusty-crowned Tit-Spinetail |
| Leptasthenura platensis | Tufted Tit-Spinetail | Tufted Tit-Spinetail |
| Leptasthenura setaria | Araucaria Tit-Spinetail | Araucaria Tit-Spinetail |
| Leptasthenura striata | Streaked Tit-Spinetail | Streaked Tit-Spinetail |
| Leptasthenura striolata | Striolated Tit-Spinetail | Striolated Tit-Spinetail |
| Leptasthenura xenothorax | White-browed Tit-Spinetail | White-browed Tit-Spinetail |
| Leptasthenura yanacensis | Tawny Tit-Spinetail | Tawny Tit-Spinetail |
| Leptodon cayanensis | Grey-headed Kite | Grey-headed Kite |
| Leptodon forbesi | White-collared Kite | White-collared Kite |
| Leptopoecile elegans | Crested Tit Warbler | Crested Tit-Warbler |
| Leptopoecile sophiae | Severtzov's Tit Warbler | White-browed Tit-Warbler |
| Leptopogon amaurocephalus | Sepia-capped Leptopogon | Sepia-capped Flycatcher |
| Leptopogon rufipectus | Rufous-breasted Leptopogon | Rufous-breasted Flycatcher |
| Leptopogon superciliaris | White-bellied Leptopogon | Slaty-capped Flycatcher |
| Leptopogon taczanowskii | Inca Leptopogon | Inca Flycatcher |
| Leptopterus chabert | Chabert Vanga | Chabert's Vanga |
| Leptoptilos crumeniferus | Marabou Stork | Marabou Stork |
| Leptoptilos dubius | Greater Adjutant Stork | Greater Adjutant |
| Leptoptilos javanicus | Lesser Adjutant Stork | Lesser Adjutant |
| Leptosittaca branickii | Golden-plumed Conure | Golden-plumed Parakeet |
| Leptosomus discolor | Courol | Cuckoo Roller |
| Leptotila cassini | Cassin's Dove | Grey-chested Dove |
| Leptotila conoveri | Tolima Dove | Tolima Dove |
| Leptotila jamaicensis | White-bellied Dove | Caribbean Dove |
| Leptotila megalura | White-faced Dove | White-faced Dove |
| Leptotila ochraceiventris | Buff-bellied Dove | Ochre-bellied Dove |
| Leptotila pallida | Pallid Dove | Pallid Dove |
| Leptotila plumbeiceps | Grey-headed Dove | Grey-headed Dove |
| Leptotila rufaxilla | Grey-fronted Dove | Grey-fronted Dove |
| Leptotila verreauxi | White-fronted Dove | White-tipped Dove |
| Leptotila wellsi | Grenada Dove | Grenada Dove |
| Lerwa lerwa | Snow Partridge | Snow Partridge |
| Lesbia nuna | Green-tailed Trainbearer | Green-tailed Trainbearer |
| Lesbia victoriae | Black-tailed Trainbearer | Black-tailed Trainbearer |
| Lessonia oreas | Salvin's Negrito | Andean Negrito |
| Lessonia rufa | Rufous-backed Negrito | Patagonian Negrito |
| Leucippus baeri | Tumbes Hummingbird | Tumbes Hummingbird |
| Leucippus chlorocercus | Olive-spotted Hummingbird | Olive-spotted Hummingbird |
| Leucippus fallax | Buffy Hummingbird | Buffy Hummingbird |
| Leucippus taczanowskii | Spot-throated Hummingbird | Spot-throated Hummingbird |
| Leucochloris albicollis | White-throated Hummingbird | White-throated Hummingbird |
| Leucopeza semperi | Semper's Warbler | Semper's Warbler |
| Leucopsar rothschildi | Rothschild's Mynah | Bali Myna |
| Leucopternis albicollis | White Hawk | White Hawk |
| Leucopternis kuhli | White-browed Hawk | White-browed Hawk |
| Leucopternis lacernulata | White-necked Hawk | White-necked Hawk |
| Leucopternis melanops | Black-faced Hawk | Black-faced Hawk |
| Leucopternis occidentalis | Grey-backed Hawk | Grey-backed Hawk |
| Leucopternis plumbea | Plumbeous Hawk | Plumbeous Hawk |
| Leucopternis polionota | Mantled Hawk | Mantled Hawk |
| Leucopternis princeps | Barred Hawk | Barred Hawk |
| Leucopternis schistacea | Slate-coloured Hawk | Slate-colored Hawk |
| Leucopternis semiplumbea | Semi-plumbeous Hawk | Semiplumbeous Hawk |
| Leucosarcia melanoleuca | Wonga Pigeon | Wonga Pigeon |
| Leucosticte arctoa | Asian Rosy Finch | Asian Rosy-Finch |
| Leucosticte atrata | Black Rosy Finch | Black Rosy-Finch |
| Leucosticte australis | Brown-capped Rosy Finch | Brown-capped Rosy-Finch |
| Leucosticte brandti | Brandt's Rosy Finch | Black-headed Mountain-Finch |
| Leucosticte nemoricola | Hodgson's Rosy Finch | Plain Mountain-Finch |
| Leucosticte tephrocotis | Gray-crowned Rosy Finch | Grey-crowned Rosy-Finch |
| Lichmera alboauricularis | White-eared Honeyeater | Silver-eared Honeyeater |
| Lichmera argentauris | Plain Olive Honeyeater | Olive Honeyeater |
| Lichmera deningeri | Buru Honeyeater | Buru Honeyeater |
| Lichmera flavicans | Timor Honeyeater | Yellow-eared Honeyeater |
| Lichmera incana | Silver-eared Honeyeater | Dark-brown Honeyeater |
| Lichmera indistincta | Brown Honeyeater | Brown Honeyeater |
| Lichmera lombokia | Lombok Honeyeater | Scaly-crowned Honeyeater |
| Lichmera monticola | Spectacled Honeyeater | Seram Honeyeater |
| Lichmera notabilis | Black-chested Honeyeater | Black-chested Honeyeater |
| Lichmera squamata | White-tufted Honeyeater | White-tufted Honeyeater |
| Limicola falcinellus | Broad-billed Sandpiper | Broad-billed Sandpiper |
| Limnodromus griseus | Short-billed Dowitcher | Short-billed Dowitcher |
| Limnodromus scolopaceus | Long-billed Dowitcher | Long-billed Dowitcher |
| Limnodromus semipalmatus | Asiatic Dowitcher | Asian Dowitcher |
| Limnornis curvirostris | Curve-billed Reedhaunter | Curve-billed Reedhaunter |
| Limnornis rectirostris | Straight-billed Reedhaunter | Straight-billed Reedhaunter |
| Limnothlypis swainsonii | Swainson's Warbler | Swainson's Warbler |
| Limosa fedoa | Marbled Godwit | Marbled Godwit |
| Limosa haemastica | Hudsonian Godwit | Hudsonian Godwit |
| Limosa lapponica | Bar-tailed Godwit | Bar-tailed Godwit |
| Limosa limosa | Black-tailed Godwit | Black-tailed Godwit |
| Linurgus olivaceus | Oriole-Finch | Oriole Finch |
| Liocichla omeiensis | Mount Omei Liocichla | Omei Shan Liocichla |
| Liocichla phoenicea | Red-faced Liocichla | Red-faced Liocichla |
| Liocichla steerii | Steere's Liocichla | Steere's Liocichla |
| Lioptilus nigricapillus | Bush Blackcap | Blackcap Mountain-Babbler |
| Liosceles thoracicus | Rusty-belted Tapaculo | Rusty-belted Tapaculo |
| Lipaugus cryptolophus | Olivaceous Piha | Olivaceous Piha |
| Lipaugus fuscocinereus | Dusky Piha | Dusky Piha |
| Lipaugus lanioides | Cinnamon-vented Piha | Cinnamon-vented Piha |
| Lipaugus streptophorus | Rose-coloured Piha | Rose-collared Piha |
| Lipaugus subalaris | Grey-tailed Piha | Grey-tailed Piha |
| Lipaugus unirufus | Rufous Piha | Rufous Piha |
| Lipaugus vociferans | Screaming Piha | Screaming Piha |
| Loboparadisea sericea | Wattle-billed Bird of Paradise | Yellow-breasted Bird-of-paradise |
| Lochmias nematura | Sharp-tailed Streamcreeper | Sharp-tailed Streamcreeper |
| Locustella certhiola | Pallas' Grasshopper Warbler | Pallas's Grasshopper-Warbler |
| Locustella fasciolata | Gray's Grasshopper Warbler | Gray's Grasshopper-Warbler |
| Locustella fluviatilis | River Warbler | Eurasian River Warbler |
| Locustella lanceolata | Lanceolated Warbler | Lanceolated Warbler |
| Locustella luscinioides | Savi's Warbler | Savi's Warbler |
| Locustella naevia | Grasshopper Warbler | Common Grasshopper-Warbler |
| Locustella ochotensis | Middendorff's Grasshopper Warbler | Middendorff's Grasshopper-Warbler |
| Locustella pleskei | Styan's Grasshopper Warbler | Pleske's Grasshopper-Warbler |
| Loddigesia mirabilis | Marvellous Spatuletail | Marvellous Spatuletail |
| Lonchura bicolor | Black & White Mannikin | Black-and-white Munia |
| Lonchura caniceps | Grey-headed Mannikin | Grey-headed Munia |
| Lonchura cantans | African Silverbill | African Silverbill |
| Lonchura castaneothorax | Chestnut-breasted Mannikin | Chestnut-breasted Munia |
| Lonchura cucullata | Bronze Mannikin | Bronze Munia |
| Lonchura flaviprymna | Yellow-tailed Mannikin | Yellow-rumped Munia |
| Lonchura forbesi | New Ireland Finch | New Ireland Munia |
| Lonchura fringilloides | Magpie Mannikin | Magpie Munia |
| Lonchura fuscans | Dusky Mannikin | Dusky Munia |
| Lonchura grandis | Great-billed Mannikin | Grand Munia |
| Lonchura griseicapilla | Grey-headed Silverbill | Grey-headed Silverbill |
| Lonchura hunsteini | White-headed Finch | Mottled Munia |
| Lonchura kelaarti | Rufous-bellied Mannikin | Black-throated Munia |
| Lonchura leucogastra | White-headed Munia | White-bellied Munia |
| Lonchura leucogastroides | Javanese Mannikin | Javan Munia |
| Lonchura leucosticta | White-spotted Mannikin | White-spotted Munia |
| Lonchura maja | Pale-headed Mannikin | White-headed Munia |
| Lonchura malabarica | Indian Silverbill | White-throated Munia |
| Lonchura malacca | Chestnut Mannikin | Black-headed Munia |
| Lonchura melaena | New Britain Finch | Bismarck Munia |
| Lonchura molucca | Moluccan Mannikin | Black-faced Munia |
| Lonchura montana | Snow Mountain Mannikin | Snow Mountain Munia |
| Lonchura monticola | Alpine Mannikin | Alpine Munia |
| Lonchura nevermanni | White-crowned Mannikin | Grey-crowned Munia |
| Lonchura pallida | Pallid Finch | Pale-headed Munia |
| Lonchura punctulata | Nutmeg Mannikin | Scaly-breasted Munia |
| Lonchura quinticolor | Coloured Finch | Five-colored Munia |
| Lonchura spectabilis | New Britain Mannikin | Hooded Munia |
| Lonchura striata | White-backed Munia | White-rumped Munia |
| Lonchura stygia | Black Mannikin | Black Munia |
| Lonchura teerinki | Grand Valley Mannikin | Black-breasted Munia |
| Lonchura tristissima | Streak-headed Mannikin | Streak-headed Munia |
| Lonchura vana | Arfak Mannikin | Grey-banded Munia |
| Lophoictinia isura | Square-tailed Kite | Square-tailed Kite |
| Lopholaimus antarcticus | Top-knot Pigeon | Topknot Pigeon |
| Lophophorus lhuysii | Chinese Monal Pheasant | Chinese Monal |
| Lophophorus sclateri | Sclater's Monal Pheasant | Sclater's Monal |
| Lophorina superba | Superb Bird of Paradise | Superb Bird-of-paradise |
| Lophornis brachylopha | Short-crested Coquette | Short-crested Coquette |
| Lophornis delattrei | Rufous-crested Coquette | Rufous-crested Coquette |
| Lophornis gouldii | Dot-eared Coquette | Dot-eared Coquette |
| Lophornis ornatus | Tufted Coquette | Tufted Coquette |
| Lophospingus griseocristatus | Grey-crested Finch | Grey-crested Finch |
| Lophospingus pusillus | Black-crested Finch | Black-crested Finch |
| Lophostrix cristata | Crested Owl | Crested Owl |
| Lophotibis cristata | Crested Wood Ibis | White-winged Ibis |
| Lophotriccus eulophotes | Long-crested Pygmy Tyrant | Long-crested Pygmy-Tyrant |
| Lophotriccus galeatus | Helmeted Pygmy Tyrant | Helmeted Pygmy-Tyrant |
| Lophotriccus pileatus | Scale-crested Pygmy Tyrant | Scale-crested Pygmy-Tyrant |
| Lophotriccus vitiosus | Double-banded Pygmy Tyrant | Double-banded Pygmy-Tyrant |
| Lophozosterops dohertyi | Crested White-eye | Crested White-eye |
| Lophozosterops goodfellowi | Goodfellow's White-eye | Black-masked White-eye |
| Lophozosterops javanicus | Javan Grey-throated White-eye | Javan Grey-throated White-eye |
| Lophozosterops pinaiae | Grey-hooded White-eye | Grey-hooded White-eye |
| Lophozosterops squamiceps | Streaky-headed White-eye | Streaky-headed White-eye |
| Lophozosterops superciliaris | White-browed White-eye | Yellow-browed White-eye |
| Lophura bulweri | Bulwer's Pheasant | Bulwer's Pheasant |
| Lophura diardi | Siamese Fireback Pheasant | Siamese Fireback |
| Lophura edwardsi | Edwards' Pheasant | Edwards's Pheasant |
| Lophura erythrophthalma | Crestless Fireback Pheasant | Crestless Fireback |
| Lophura hoogerwerfi | Sumatra Fireback Pheasant | Sumatran Pheasant |
| Lophura ignita | Crested Fireback Pheasant | Crested Fireback |
| Lophura imperialis | Imperial Pheasant | Imperial Pheasant |
| Lophura inornata | Salvadori's Pheasant | Salvadori's Pheasant |
| Lophura nycthemera | Silver Pheasant | Silver Pheasant |
| Lophura swinhoii | Swinhoe's Pheasant | Swinhoe's Pheasant |
| Loriculus amabilis | Moluccan Hanging Parrot | Moluccan Hanging-Parrot |
| Loriculus aurantiifrons | Orange-fronted Hanging Parrot | Orange-fronted Hanging-Parrot |
| Loriculus beryllinus | Ceylon Hanging Parrot | Ceylon Hanging-Parrot |
| Loriculus catamene | Sangihe Hanging Parrot | Sangihe Hanging-Parrot |
| Loriculus exilis | Green Hanging Parrot | Red-billed Hanging-Parrot |
| Loriculus flosculus | Wallace's Hanging Parrot | Wallace's Hanging-Parrot |
| Loriculus galgulus | Blue-crowned Hanging Parrot | Blue-crowned Hanging-Parrot |
| Loriculus philippensis | Philippine Hanging Parrot | Colasisi |
| Loriculus pusillus | Yellow-throated Hanging Parrot | Yellow-throated Hanging-Parrot |
| Loriculus stigmatus | Sulawesi Hanging Parrot | Sulawesi Hanging-Parrot |
| Loriculus vernalis | Vernal Hanging Parrot | Vernal Hanging-Parrot |
| Lorius albidinuchus | White-naped Lory | White-naped Lory |
| Lorius chlorocercus | Yellow-bibbed Lory | Yellow-bibbed Lory |
| Lorius garrulus | Chattering Lory | Chattering Lory |
| Lorius hypoinochrous | Purple-bellied Lory | Purple-bellied Lory |
| Lorius lory | Black-capped Lory | Black-capped Lory |
| Loxia curvirostra | Red Crossbill | Red Crossbill |
| Loxia leucoptera | White-winged Crossbill | White-winged Crossbill |
| Loxia pytyopsittacus | Parrot Crossbill | Parrot Crossbill |
| Loxia scotica | Scottish Crossbill | Scottish Crossbill |
| Loxigilla noctis | Lesser Antillean Bullfinch | Lesser Antillean Bullfinch |
| Loxigilla portoricensis | Puerto Rican Bullfinch | Puerto Rican Bullfinch |
| Loxigilla violacea | Greater Antillean Bullfinch | Greater Antillean Bullfinch |
| Loxioides bailleui | Palila | Palila |
| Loxipasser anoxanthus | Yellow-shouldered Grassquit | Yellow-shouldered Grassquit |
| Loxops coccineus | Akepa | Akepa |
| Lullula arborea | Wood Lark | Wood Lark |
| Lurocalis rufiventris | Rufous-bellied Nighthawk | Rufous-bellied Nighthawk |
| Lurocalis semitorquatus | Semi-collared Nighthawk | Short-tailed Nighthawk |
| Luscinia luscinia | Thrush Nightingale | Thrush Nightingale |
| Luscinia megarhynchos | Nightingale | Common Nightingale |
| Lybius bidentatus | Double-toothed Barbet | Double-toothed Barbet |
| Lybius chaplini | Chaplin's Barbet | Chaplin's Barbet |
| Lybius dubius | Bearded Barbet | Bearded Barbet |
| Lybius guifsobalito | Black-billed Barbet | Black-billed Barbet |
| Lybius leucocephalus | White-headed Barbet | White-headed Barbet |
| Lybius melanopterus | Brown-breasted Barbet | Brown-breasted Barbet |
| Lybius minor | Black-backed Barbet | Black-backed Barbet |
| Lybius rolleti | Black-breasted Barbet | Black-breasted Barbet |
| Lybius rubrifacies | Red-faced Barbet | Red-faced Barbet |
| Lybius torquatus | Black-collared Barbet | Black-collared Barbet |
| Lybius undatus | Banded Barbet | Banded Barbet |
| Lybius vieilloti | Vieillot's Barbet | Vieillot's Barbet |
| Lycocorax pyrrhopterus | Paradise Crow | Paradise-crow |
| Lysurus castaneiceps | Olive Finch | Olive Finch |
| Lysurus crassirostris | Sooty-faced Finch | Sooty-faced Finch |
| Macgregoria pulchra | Macgregor's Bird of Paradise | Macgregor's Bird-of-paradise |
| Machaerirhynchus flaviventer | Yellow-breasted Flatbill Flycatcher | Yellow-breasted Boatbill |
| Machaerirhynchus nigripectus | Black-breasted Flatbill Flycatcher | Black-breasted Boatbill |
| Machaeropterus deliciosus | Club-winged Manakin | Club-winged Manakin |
| Machaeropterus pyrocephalus | Fiery-capped Manakin | Fiery-capped Manakin |
| Machaeropterus regulus | Striped Manakin | Striped Manakin |
| Macheiramphus alcinus | Bat Hawk | Bat Hawk |
| Machetornis rixosus | Cattle Tyrant | Cattle Tyrant |
| Mackenziaena leachii | Large-tailed Antshrike | Large-tailed Antshrike |
| Mackenziaena severa | Tufted Antshrike | Tufted Antshrike |
| Macroagelaius imthurni | Golden-tufted Grackle | Golden-tufted Grackle |
| Macroagelaius subalaris | Mountain Grackle | Mountain Grackle |
| Macrocephalon maleo | Maleo Fowl | Maleo |
| Macrodipteryx longipennis | Standard-winged Nightjar | Standard-winged Nightjar |
| Macrodipteryx vexillarius | Pennant-winged Nightjar | Pennant-winged Nightjar |
| Macronectes giganteus | Giant Petrel | Antarctic Giant-Petrel |
| Macronectes halli | Hall's Giant Petrel | Hall's Giant-Petrel |
| Macronous gularis | Striped Tit-Babbler | Striped Tit-Babbler |
| Macronous kelleyi | Grey-faced Tit-Babbler | Grey-faced Tit-Babbler |
| Macronous ptilosus | Fluffy-backed Tit-Babbler | Fluffy-backed Tit-Babbler |
| Macronous striaticeps | Brown Tit-Babbler | Brown Tit-Babbler |
| Macronyx ameliae | Rosy-breasted Longclaw | Rosy-throated Longclaw |
| Macronyx aurantiigula | Pangani Longclaw | Pangani Longclaw |
| Macronyx capensis | Cape Longclaw | Cape Longclaw |
| Macronyx croceus | Yellow-throated Longclaw | Yellow-throated Longclaw |
| Macronyx flavicollis | Abyssinian Longclaw | Abyssinian Longclaw |
| Macronyx fuellebornii | Fulleborn's Longclaw | Fuelleborn's Longclaw |
| Macronyx grimwoodi | Grimwood's Longclaw | Grimwood's Longclaw |
| Macropsalis creagra | Long-trained Nightjar | Long-trained Nightjar |
| Macropygia amboinensis | Pink-breasted Cuckoo Dove | Slender-billed Cuckoo-Dove |
| Macropygia emiliana | Indonesian Cuckoo Dove | Ruddy Cuckoo-Dove |
| Macropygia mackinlayi | Mackinlay's Cuckoo Dove | Mackinlay's Cuckoo-Dove |
| Macropygia magna | Large Cuckoo Dove | Dusky Cuckoo-Dove |
| Macropygia nigrirostris | Lesser Bar-tailed Cuckoo Dove | Black-billed Cuckoo-Dove |
| Macropygia phasianella | Large Brown Cuckoo Dove | Brown Cuckoo-Dove |
| Macropygia ruficeps | Little Cuckoo Dove | Little Cuckoo-Dove |
| Macropygia rufipennis | Andaman Cuckoo Dove | Andaman Cuckoo-Dove |
| Macropygia unchall | Bar-tailed Cuckoo Dove | Barred Cuckoo-Dove |
| Macrosphenus concolor | Grey Longbill | Grey Longbill |
| Macrosphenus flavicans | Yellow Longbill | Yellow Longbill |
| Macrosphenus kempi | Kemp's Longbill | Kemp's Longbill |
| Macrosphenus kretschmeri | Kretschmer's Longbill | Kretschmer's Longbill |
| Macrosphenus pulitzeri | Pulitzer's Longbill | Pulitzer's Longbill |
| Madanga ruficollis | Rufous-throated White-eye | Rufous-throated White-eye |
| Malacocincla abbotti | Abbott's Jungle Babbler | Abbott's Babbler |
| Malacocincla cinereiceps | Ashy-headed Jungle Babbler | Ashy-headed Babbler |
| Malacocincla malaccensis | Short-tailed Jungle Babbler | Short-tailed Babbler |
| Malacocincla perspicillata | Black-browed Jungle Babbler | Black-browed Babbler |
| Malaconotus alius | Black-cap Bush Shrike | Uluguru Bushshrike |
| Malaconotus blanchoti | Grey-headed Bush Shrike | Grey-headed Bushshrike |
| Malaconotus cruentus | Fiery-breasted Bush Shrike | Fiery-breasted Bushshrike |
| Malaconotus gladiator | Green-breasted Bush Shrike | Green-breasted Bushshrike |
| Malaconotus lagdeni | Lagden's Bush Shrike | Lagden's Bushshrike |
| Malaconotus monteiri | Monteiro's Bush Shrike | Monteiro's Bushshrike |
| Malacopteron affine | Sooty-capped Babbler | Sooty-capped Babbler |
| Malacopteron albogulare | Grey-breasted Babbler | Grey-breasted Babbler |
| Malacopteron cinereum | Scaly-crowned Babbler | Scaly-crowned Babbler |
| Malacopteron magnirostre | Moustached Tree Babbler | Moustached Babbler |
| Malacopteron magnum | Rufous-crowned Babbler | Rufous-crowned Babbler |
| Malacopteron palawanense | Palawan Tree Babbler | Melodious Babbler |
| Malacoptila fulvogularis | Black-streaked Puffbird | Black-streaked Puffbird |
| Malacoptila fusca | White-chested Puffbird | White-chested Puffbird |
| Malacoptila mystacalis | Moustached Puffbird | Moustached Puffbird |
| Malacoptila panamensis | White-whiskered Puffbird | White-whiskered Puffbird |
| Malacoptila rufa | Rufous-necked Puffbird | Rufous-necked Puffbird |
| Malacoptila semicincta | Semicollared Puffbird | Semicollared Puffbird |
| Malacoptila striata | Crescent-chested Puffbird | Crescent-chested Puffbird |
| Malacorhynchus membranaceus | Pink-eared Duck | Pink-eared Duck |
| Malcorus pectoralis | Rufous-eared Prinia | Rufous-eared Warbler |
| Malia grata | Malia | Malia |
| Malimbus cassini | Black-throated Malimbe | Black-throated Malimbe |
| Malimbus coronatus | Red-crowned Malimbe | Red-crowned Malimbe |
| Malimbus erythrogaster | Red-bellied Malimbe | Red-bellied Malimbe |
| Malimbus flavipes | Yellow-legged Malimbe | Yellow-legged Malimbe |
| Malimbus ibadanensis | Ibadan Malimbe | Ibadan Malimbe |
| Malimbus malimbicus | Crested Malimbe | Crested Malimbe |
| Malimbus nitens | Gray's Malimbe | Gray's Malimbe |
| Malimbus racheliae | Rachel's Malimbe | Rachel's Malimbe |
| Malimbus rubricollis | Red-headed Malimbe | Red-headed Malimbe |
| Malimbus scutatus | Red-vented Malimbe | Red-vented Malimbe |
| Malurus alboscapulatus | Black & White Wren | White-shouldered Fairywren |
| Malurus amabilis | Lovely Wren | Lovely Fairywren |
| Malurus coronatus | Purple-crowned Wren | Purple-crowned Fairywren |
| Malurus cyaneus | Blue Wren | Superb Fairywren |
| Malurus cyanocephalus | Blue Wren Warbler | Emperor Fairywren |
| Malurus elegans | Red-winged Wren | Red-winged Fairywren |
| Malurus grayi | Broad-billed Wren Warbler | Broad-billed Fairywren |
| Malurus lamberti | Variegated Wren | Variegated Fairywren |
| Malurus leucopterus | White-winged Wren | White-winged Fairywren |
| Malurus melanocephalus | Red-backed Wren | Red-backed Fairywren |
| Malurus pulcherrimus | Blue-breasted Wren | Blue-breasted Fairywren |
| Malurus splendens | Banded Wren | Splendid Fairywren |
| Manacus manacus | White-bearded Manakin | White-bearded Manakin |
| Mandingoa nitidula | Green-backed Twin-spot | Green-backed Twinspot |
| Manorina flavigula | Yellow-throated Miner | Yellow-throated Miner |
| Manorina melanocephala | Noisy Miner | Noisy Miner |
| Manorina melanophrys | Bell Miner | Bell Miner |
| Manucodia comrii | Curl-crested Manucode | Curl-crested Manucode |
| Manucodia jobiensis | Jobi Manucode | Jobi Manucode |
| Margarops fuscatus | Pearly-eyed Thrasher | Pearly-eyed Thrasher |
| Margarornis bellulus | Beautiful Treerunner | Beautiful Treerunner |
| Margarornis rubiginosus | Ruddy Treerunner | Ruddy Treerunner |
| Margarornis squamiger | Pearled Treerunner | Pearled Treerunner |
| Margarornis stellatus | Fulvous-dotted Treerunner | Fulvous-dotted Treerunner |
| Marmaronetta angustirostris | Marbled Teal | Marbled Teal |
| Masius chrysopterus | Golden-winged Manakin | Golden-winged Manakin |
| Mayrornis lessoni | Slaty Flycatcher | Slaty Monarch |
| Mayrornis schistaceus | Small Slaty Flycatcher | Vanikoro Monarch |
| Mayrornis versicolor | Ogea Flycatcher | Ogea Monarch |
| Mearnsia novaeguineae | New Guinea Spinetailed Swift | Papuan Needletail |
| Mearnsia picina | Philippine Spinetailed Swift | Philippine Needletail |
| Mecocerculus calopterus | Rufous-winged Tyrannulet | Rufous-winged Tyrannulet |
| Mecocerculus hellmayri | Buff-banded Tyrannulet | Buff-banded Tyrannulet |
| Mecocerculus leucophrys | White-throated Tyrannulet | White-throated Tyrannulet |
| Mecocerculus minor | Sulphur-bellied Tyrannulet | Sulphur-bellied Tyrannulet |
| Mecocerculus poecilocercus | White-tailed Tyrannulet | White-tailed Tyrannulet |
| Mecocerculus stictopterus | White-banded Tyrannulet | White-banded Tyrannulet |
| Megaceryle alcyon | Belted Kingfisher | Belted Kingfisher |
| Megaceryle lugubris | Greater Pied Kingfisher | Crested Kingfisher |
| Megaceryle maxima | Giant Kingfisher | Giant Kingfisher |
| Megaceryle torquata | Ringed Kingfisher | Ringed Kingfisher |
| Megadyptes antipodes | Yellow-eyed Penguin | Yellow-eyed Penguin |
| Megalaima armillaris | Blue-crowned Barbet | Flame-fronted Barbet |
| Megalaima asiatica | Blue-throated Barbet | Blue-throated Barbet |
| Megalaima australis | Blue-eared Barbet | Blue-eared Barbet |
| Megalaima chrysopogon | Gold-whiskered Barbet | Gold-whiskered Barbet |
| Megalaima corvina | Brown-throated Barbet | Brown-throated Barbet |
| Megalaima eximia | Black-throated Barbet | Bornean Barbet |
| Megalaima faiostricta | Green-eared Barbet | Green-eared Barbet |
| Megalaima flavifrons | Yellow-fronted Barbet | Yellow-fronted Barbet |
| Megalaima franklinii | Golden-throated Barbet | Golden-throated Barbet |
| Megalaima haemacephala | Crimson-breasted Barbet | Coppersmith Barbet |
| Megalaima henricii | Yellow-crowned Barbet | Yellow-crowned Barbet |
| Megalaima incognita | Hume's Blue-throated Barbet | Moustached Barbet |
| Megalaima javensis | Black-banded Barbet | Black-banded Barbet |
| Megalaima lagrandieri | Red-vented Barbet | Red-vented Barbet |
| Megalaima lineata | Lineated Barbet | Lineated Barbet |
| Megalaima mystacophanos | Gaudy Barbet | Red-throated Barbet |
| Megalaima oorti | Muller's Barbet | Black-browed Barbet |
| Megalaima pulcherrima | Golden-naped Barbet | Golden-naped Barbet |
| Megalaima rafflesii | Many-coloured Barbet | Red-crowned Barbet |
| Megalaima rubricapilla | Crimson-throated Barbet | Crimson-fronted Barbet |
| Megalaima virens | Great Barbet | Great Barbet |
| Megalaima viridis | Small Green Barbet | White-cheeked Barbet |
| Megalaima zeylanica | Oriental Green Barbet | Brown-headed Barbet |
| Megalurulus mariei | New Caledonian Grass Warbler | New Caledonian Grassbird |
| Megalurus albolimbatus | Fly River Grass Warbler | Fly River Grassbird |
| Megalurus gramineus | Little Marshbird | Little Grassbird |
| Megalurus palustris | Striated Canegrass Warbler | Striated Grassbird |
| Megalurus pryeri | Japanese Marsh Warbler | Marsh Grassbird |
| Megalurus punctatus | Fernbird | New Zealand Fernbird |
| Megalurus timoriensis | Tawny Marshbird | Tawny Grassbird |
| Megapodius affinis | New Guinea Scrub Fowl | New Guinea Scrubfowl |
| Megapodius bernsteinii | Sula Scrub Fowl | Sula Scrubfowl |
| Megapodius cumingii | Philippine Scrub Fowl | Tabon Scrubfowl |
| Megapodius eremita | Bismarck Scrub Fowl | Melanesian Scrubfowl |
| Megapodius freycinet | Dusky Scrub Fowl | Dusky Scrubfowl |
| Megapodius laperouse | Marianas Scrub Fowl | Micronesian Scrubfowl |
| Megapodius layardi | Banks Islands Scrub Fowl | Vanuatu Scrubfowl |
| Megapodius nicobariensis | Nicobar Scrub Fowl | Nicobar Scrubfowl |
| Megapodius pritchardii | Niaufoou Scrub Fowl | Niaufoou Scrubfowl |
| Megapodius reinwardt | Orange-footed Scrub Fowl | Orange-footed Scrubfowl |
| Megapodius wallacei | Moluccas Scrub Fowl | Moluccan Scrubfowl |
| Megarynchus pitangua | Boat-billed Flycatcher | Boat-billed Flycatcher |
| Megastictus margaritatus | Pearly Antshrike | Pearly Antshrike |
| Megaxenops parnaguae | Great Xenops | Great Xenops |
| Megazosterops palauensis | Palau White-eye | Giant White-eye |
| Meiglyptes jugularis | Black & Buff Woodpecker | Black-and-buff Woodpecker |
| Meiglyptes tristis | Buff-rumped Woodpecker | Buff-rumped Woodpecker |
| Meiglyptes tukki | Buff-necked Woodpecker | Buff-necked Woodpecker |
| Melaenornis annamarulae | Liberian Black Flycatcher | West African Black-Flycatcher |
| Melaenornis edolioides | Black Flycatcher | Northern Black-Flycatcher |
| Melaenornis pammelaina | South African Black Flycatcher | Southern Black-Flycatcher |
| Melampitta gigantea | Greater Melampitta | Greater Melampitta |
| Melampitta lugubris | Lesser Melampitta | Lesser Melampitta |
| Melamprosops phaeosoma | Po'ouli | Poo-uli |
| Melanerpes aurifrons | Golden-fronted Woodpecker | Golden-fronted Woodpecker |
| Melanerpes cactorum | White-fronted Woodpecker | White-fronted Woodpecker |
| Melanerpes candidus | White Woodpecker | White Woodpecker |
| Melanerpes carolinus | Red-bellied Woodpecker | Red-bellied Woodpecker |
| Melanerpes chrysauchen | Golden-naped Woodpecker | Golden-naped Woodpecker |
| Melanerpes chrysogenys | Golden-cheeked Woodpecker | Golden-cheeked Woodpecker |
| Melanerpes cruentatus | Red-fronted Woodpecker | Yellow-tufted Woodpecker |
| Melanerpes erythrocephalus | Red-headed Woodpecker | Red-headed Woodpecker |
| Melanerpes flavifrons | Yellow-fronted Woodpecker | Yellow-fronted Woodpecker |
| Melanerpes formicivorus | Acorn Woodpecker | Acorn Woodpecker |
| Melanerpes herminieri | Guadeloupe Woodpecker | Guadeloupe Woodpecker |
| Melanerpes hoffmannii | Hoffmann's Woodpecker | Hoffmann's Woodpecker |
| Melanerpes hypopolius | Grey-breasted Woodpecker | Grey-breasted Woodpecker |
| Melanerpes lewis | Lewis' Woodpecker | Lewis's Woodpecker |
| Melanerpes portoricensis | Puerto Rican Woodpecker | Puerto Rican Woodpecker |
| Melanerpes pucherani | Black-cheeked Woodpecker | Black-cheeked Woodpecker |
| Melanerpes pygmaeus | Yucatan Woodpecker | Yucatan Woodpecker |
| Melanerpes radiolatus | Jamaican Woodpecker | Jamaican Woodpecker |
| Melanerpes rubricapillus | Red-crowned Woodpecker | Red-crowned Woodpecker |
| Melanerpes striatus | Hispaniolan Woodpecker | Hispaniolan Woodpecker |
| Melanerpes superciliaris | Great Red-bellied Woodpecker | West Indian Woodpecker |
| Melanerpes uropygialis | Gila Woodpecker | Gila Woodpecker |
| Melanitta fusca | Velvet Scoter | White-winged Scoter |
| Melanitta nigra | Black Scoter | Black Scoter |
| Melanitta perspicillata | Surf Scoter | Surf Scoter |
| Melanocharis arfakiana | Obscure Berrypecker | Obscure Berrypecker |
| Melanocharis longicauda | Mid-mountain Berrypecker | Lemon-breasted Berrypecker |
| Melanocharis nigra | Black Berrypecker | Black Berrypecker |
| Melanocharis striativentris | Streaked Berrypecker | Streaked Berrypecker |
| Melanocharis versteri | Fan-tailed Berrypecker | Fan-tailed Berrypecker |
| Melanochlora sultanea | Sultan Tit | Sultan Tit |
| Melanocorypha bimaculata | Bimaculated Lark | Bimaculated Lark |
| Melanocorypha calandra | Calandra Lark | Calandra Lark |
| Melanocorypha leucoptera | White-winged Lark | White-winged Lark |
| Melanocorypha maxima | Long-billed Calandra Lark | Tibetan Lark |
| Melanocorypha mongolica | Mongolian Lark | Mongolian Lark |
| Melanocorypha yeltoniensis | Black Lark | Black Lark |
| Melanodera melanodera | Black-throated Finch | Canary-winged Finch |
| Melanodera xanthogramma | Yellow-bridled Finch | Yellow-bridled Finch |
| Melanopareia elegans | Elegant Crescentchest | Elegant Crescent-chest |
| Melanopareia maximiliani | Olive-crowned Crescentchest | Olive-crowned Crescent-chest |
| Melanopareia torquata | Collared Crescentchest | Collared Crescent-chest |
| Melanoperdix nigra | Black Wood Partridge | Black Partridge |
| Melanoptila glabrirostris | Black Catbird | Black Catbird |
| Melanospiza richardsoni | St. Lucia Black Finch | St. Lucia Black Finch |
| Melanotis caerulescens | Blue Mockingbird | Blue Mockingbird |
| Melanotis hypoleucus | Blue & White Mockingbird | Blue-and-white Mockingbird |
| Melanotrochilus fuscus | Black Jacobin | Black Jacobin |
| Meleagris gallopavo | Common Turkey | Wild Turkey |
| Melichneutes robustus | Lyre-tailed Honeyguide | Lyre-tailed Honeyguide |
| Melidectes belfordi | Belford's Melidectes | Belford's Melidectes |
| Melidectes foersteri | Foerster's Melidectes | Huon Melidectes |
| Melidectes fuscus | Sooty Honeyeater | Sooty Melidectes |
| Melidectes leucostephes | White-fronted Melidectes | Vogelkop Melidectes |
| Melidectes nouhuysi | Short-bearded Honeyeater | Short-bearded Melidectes |
| Melidectes ochromelas | Mid-mountain Honeyeater | Cinnamon-browed Melidectes |
| Melidectes princeps | Long-bearded Honeyeater | Long-bearded Melidectes |
| Melidectes rufocrissalis | Reichenow's Melidectes | Yellow-browed Melidectes |
| Melidectes torquatus | Cinnamon-breasted Wattle Bird | Ornate Melidectes |
| Melidectes whitemanensis | Gilliard's Honeyeater | Bismarck Melidectes |
| Melidora macrorrhina | Hook-billed Kingfisher | Hook-billed Kingfisher |
| Melierax canorus | Pale Chanting-Goshawk | Pale Chanting-Goshawk |
| Melierax metabates | Dark Chanting-Goshawk | Dark Chanting-Goshawk |
| Melierax poliopterus | Somali Chanting-Goshawk | Eastern Chanting-Goshawk |
| Melignomon eisentrauti | Yellow-footed Honeyguide | Yellow-footed Honeyguide |
| Melignomon zenkeri | Zenker's Honeyguide | Zenker's Honeyguide |
| Melilestes megarhynchus | Long-billed Honeyeater | Long-billed Honeyeater |
| Meliphaga albilineata | White-striped Honeyeater | White-lined Honeyeater |
| Meliphaga albonotata | White-marked Honeyeater | Scrub Honeyeater |
| Meliphaga analoga | Mimic Meliphaga | Mimic Honeyeater |
| Meliphaga aruensis | Puff-backed Honeyeater | Puff-backed Honeyeater |
| Meliphaga flavirictus | Yellow-gaped Honeyeater | Yellow-gaped Honeyeater |
| Meliphaga gracilis | Graceful Honeyeater | Graceful Honeyeater |
| Meliphaga lewinii | Lewin Honeyeater | Lewin's Honeyeater |
| Meliphaga mimikae | Large Spot-breasted Honeyeater | Mottle-breasted Honeyeater |
| Meliphaga montana | White-eared Mountain Honeyeater | Forest Honeyeater |
| Meliphaga notata | Lesser Lewin Honeyeater | Yellow-spotted Honeyeater |
| Meliphaga orientalis | Small Spot-breasted Honeyeater | Hill-forest Honeyeater |
| Meliphaga reticulata | Reticulated Honeyeater | Streaky-breasted Honeyeater |
| Meliphaga vicina | Louisiades Honeyeater | Tagula Honeyeater |
| Melipotes ater | Huon Melipotes | Spangled Honeyeater |
| Melipotes fumigatus | Common Melipotes | Smoky Honeyeater |
| Melipotes gymnops | Arfak Melipotes | Arfak Honeyeater |
| Melithreptus affinis | Black-headed Honeyeater | Black-headed Honeyeater |
| Melithreptus albogularis | White-throated Honeyeater | White-throated Honeyeater |
| Melithreptus brevirostris | Brown-headed Honeyeater | Brown-headed Honeyeater |
| Melithreptus gularis | Black-chinned Honeyeater | Black-chinned Honeyeater |
| Melithreptus laetior | Golden-backed Honeyeater | Golden-backed Honeyeater |
| Melithreptus lunatus | White-naped Honeyeater | White-naped Honeyeater |
| Melithreptus validirostris | Strong-billed Honeyeater | Strong-billed Honeyeater |
| Mellisuga minima | Vervain Hummingbird | Vervain Hummingbird |
| Melocichla mentalis | Moustached Grass Warbler | Moustached Grass-Warbler |
| Melophus lathami | Crested Bunting | Crested Bunting |
| Melopsittacus undulatus | Budgerigar | Budgerigar |
| Melopyrrha nigra | Cuban Bullfinch | Cuban Bullfinch |
| Melospiza georgiana | Swamp Sparrow | Swamp Sparrow |
| Melospiza lincolnii | Lincoln Sparrow | Lincoln's Sparrow |
| Melospiza melodia | Song Sparrow | Song Sparrow |
| Melozone biarcuatum | Prevost's Ground Sparrow | Prevost's Ground-Sparrow |
| Melozone kieneri | Rusty-crowned Ground Sparrow | Rusty-crowned Ground-Sparrow |
| Melozone leucotis | White-eared Ground Sparrow | White-eared Ground-Sparrow |
| Menura alberti | Prince Albert's Lyrebird | Albert's Lyrebird |
| Menura novaehollandiae | Superb Lyrebird | Superb Lyrebird |
| Merganetta armata | Torrent Duck | Torrent Duck |
| Mergus merganser | Goosander | Common Merganser |
| Mergus octosetaceus | Brazilian Merganser | Brazilian Merganser |
| Mergus serrator | Red-breasted Merganser | Red-breasted Merganser |
| Mergus squamatus | Chinese Merganser | Scaly-sided Merganser |
| Meropogon forsteni | Sulawesi Bearded Bee Eater | Purple-bearded Bee-eater |
| Merops albicollis | White-throated Bee Eater | White-throated Bee-eater |
| Merops apiaster | European Bee Eater | European Bee-eater |
| Merops boehmi | Boehm's Bee Eater | Boehm's Bee-eater |
| Merops breweri | Black-headed Bee Eater | Black-headed Bee-eater |
| Merops bullockoides | White-fronted Bee Eater | White-fronted Bee-eater |
| Merops bulocki | Red-throated Bee Eater | Red-throated Bee-eater |
| Merops gularis | Black Bee Eater | Black Bee-eater |
| Merops hirundineus | Swallow-tailed Bee Eater | Swallow-tailed Bee-eater |
| Merops leschenaulti | Bay-headed Bee Eater | Chestnut-headed Bee-eater |
| Merops malimbicus | Rosy Bee Eater | Rosy Bee-eater |
| Merops muelleri | Blue-headed Bee Eater | Blue-headed Bee-eater |
| Merops nubicus | Carmine Bee Eater | Northern Carmine Bee-eater |
| Merops oreobates | Cinnamon-chested Bee Eater | Cinnamon-chested Bee-eater |
| Merops orientalis | Little Green Bee Eater | Little Green Bee-eater |
| Merops ornatus | Australian Bee Eater | Rainbow Bee-eater |
| Merops pusillus | Little Bee Eater | Little Bee-eater |
| Merops revoilii | Somali Bee Eater | Somali Bee-eater |
| Merops superciliosus | Blue-cheeked Bee Eater | Madagascar Bee-eater |
| Merops variegatus | Blue-breasted Bee Eater | Blue-breasted Bee-eater |
| Merops viridis | Chestnut-headed Bee Eater | Blue-throated Bee-eater |
| Merulaxis ater | Slaty Bristlefront | Slaty Bristlefront |
| Merulaxis stresemanni | Stresemann's Bristlefront | Stresemann's Bristlefront |
| Mesembrinibis cayennensis | Green Ibis | Green Ibis |
| Mesitornis unicolor | Brown Mesite | Brown Mesite |
| Mesitornis variegata | White-breasted Mesite | White-breasted Mesite |
| Mesophoyx intermedia | Intermediate Egret | Intermediate Egret |
| Metabolus rugensis | Truk Monarch | Truk Monarch |
| Metallura aeneocauda | Scaled Metaltail | Scaled Metaltail |
| Metallura baroni | Violet-throated Metaltail | Violet-throated Metaltail |
| Metallura eupogon | Fire-throated Metaltail | Fire-throated Metaltail |
| Metallura iracunda | Perija Metaltail | Perija Metaltail |
| Metallura odomae | Neblina Metaltail | Neblina Metaltail |
| Metallura phoebe | Black Metaltail | Black Metaltail |
| Metallura theresiae | Coppery Metaltail | Coppery Metaltail |
| Metallura tyrianthina | Tyrian Metaltail | Tyrian Metaltail |
| Metallura williami | Viridian Metaltail | Viridian Metaltail |
| Metopidius indicus | Bronze-winged Jacana | Bronze-winged Jacana |
| Metopothrix aurantiacus | Orange-fronted Plushcrown | Orange-fronted Plushcrown |
| Metriopelia aymara | Bronze-winged Ground Dove | Golden-spotted Ground-Dove |
| Metriopelia ceciliae | Bare-faced Ground Dove | Bare-faced Ground-Dove |
| Metriopelia melanoptera | Black-winged Ground Dove | Black-winged Ground-Dove |
| Metriopelia morenoi | Bare-eyed Ground Dove | Bare-eyed Ground-Dove |
| Micrastur buckleyi | Traylor's Forest Falcon | Buckley's Forest-Falcon |
| Micrastur gilvicollis | Lined Forest Falcon | Lined Forest-Falcon |
| Micrastur mirandollei | Slaty-backed Forest Falcon | Slaty-backed Forest-Falcon |
| Micrastur plumbeus | Plumbeous Forest Falcon | Plumbeous Forest-Falcon |
| Micrastur ruficollis | Barred Forest Falcon | Barred Forest-Falcon |
| Micrastur semitorquatus | Collared Forest Falcon | Collared Forest-Falcon |
| Micrathene whitneyi | Elf Owl | Elf Owl |
| Microbates cinereiventris | Half-collared Gnatwren | Tawny-faced Gnatwren |
| Microbates collaris | Collared Gnatwren | Collared Gnatwren |
| Microcerculus bambla | Wing-banded Wren | Wing-banded Wren |
| Microcerculus marginatus | Scaly-breasted Wren | Southern Nightingale-Wren |
| Microcerculus philomela | Nightingale Wren | Northern Nightingale-Wren |
| Microcerculus ustulatus | Flutist Wren | Flutist Wren |
| Microchera albocoronata | Snowcap | Snowcap |
| Microdynamis parva | Black-capped Cuckoo | Dwarf Koel |
| Microeca fascinans | Australian Brown Flycatcher | Jacky-winter |
| Microeca flavigaster | Lemon-breasted Flycatcher | Lemon-bellied Flyrobin |
| Microeca flavovirescens | Olive Microeca Flycatcher | Olive Flyrobin |
| Microeca griseoceps | Yellow-footed Flycatcher | Yellow-legged Flyrobin |
| Microeca hemixantha | Tanimbar Microeca Flycatcher | Golden-bellied Flyrobin |
| Microeca papuana | Papuan Microeca Flycatcher | Canary Flyrobin |
| Microgoura meeki | Solomon Islands Ground Pigeon | Choiseul Pigeon |
| Microhierax caerulescens | Collared Falconet | Collared Falconet |
| Microhierax erythrogenys | Philippine Falconet | Philippine Falconet |
| Microhierax fringillarius | Black-thighed Falconet | Black-thighed Falconet |
| Microhierax latifrons | Bornean Falconet | White-fronted Falconet |
| Microhierax melanoleucus | Pied Falconet | Pied Falconet |
| Microligea palustris | Green-tailed Ground Warbler | Green-tailed Warbler |
| Micromacronus leytensis | Leyte Tit-Babbler | Miniature Tit-Babbler |
| Micromonacha lanceolata | Lanceolated Monklet | Lanceolated Monklet |
| Micronisus gabar | Gabar Goshawk | Gabar Goshawk |
| Micropalama himantopus | Stilt Sandpiper | Stilt Sandpiper |
| Microparra capensis | Smaller Jacana | Lesser Jacana |
| Micropsitta bruijnii | Red-breasted Pygmy Parrot | Red-breasted Pygmy-Parrot |
| Micropsitta finschii | Finsch's Pygmy Parrot | Finsch's Pygmy-Parrot |
| Micropsitta geelvinkiana | Geelvink Pygmy Parrot | Geelvink Pygmy-Parrot |
| Micropsitta keiensis | Yellow-capped Pygmy Parrot | Yellow-capped Pygmy-Parrot |
| Micropsitta meeki | Meek's Pygmy Parrot | Meek's Pygmy-Parrot |
| Micropsitta pusio | Buff-faced Pygmy Parrot | Buff-faced Pygmy-Parrot |
| Microrhopias quixensis | Dot-winged Antwren | Dot-winged Antwren |
| Microstilbon burmeisteri | Slender-tailed Woodstar | Slender-tailed Woodstar |
| Milvago chimachima | Yellow-headed Caracara | Yellow-headed Caracara |
| Milvago chimango | Chimango | Chimango Caracara |
| Milvus migrans | Black Kite | Black Kite |
| Milvus milvus | Red Kite | Red Kite |
| Mimizuku gurneyi | Giant Scops Owl | Lesser Eagle-Owl |
| Mimodes graysoni | Socorro Thrasher | Socorro Mockingbird |
| Mimus dorsalis | Brown-backed Mockingbird | Brown-backed Mockingbird |
| Mimus gilvus | Tropical Mockingbird | Tropical Mockingbird |
| Mimus gundlachii | Bahama Mockingbird | Bahama Mockingbird |
| Mimus longicaudatus | Long-tailed Mockingbird | Long-tailed Mockingbird |
| Mimus patagonicus | Patagonian Mockingbird | Patagonian Mockingbird |
| Mimus polyglottos | Northern Mockingbird | Northern Mockingbird |
| Mimus saturninus | Chalk-browed Mockingbird | Chalk-browed Mockingbird |
| Mimus thenca | Chilean Mockingbird | Chilean Mockingbird |
| Mimus triurus | White-banded Mockingbird | White-banded Mockingbird |
| Minla cyanouroptera | Blue-winged Minla | Blue-winged Minla |
| Minla ignotincta | Red-tailed Minla | Red-tailed Minla |
| Minla strigula | Chestnut-tailed Minla | Chestnut-tailed Minla |
| Mino anais | Golden-breasted Mynah | Golden Myna |
| Mino dumontii | Yellow-faced Mynah | Yellow-faced Myna |
| Mionectes macconnelli | MacConnell's Flycatcher | MacConnell's Flycatcher |
| Mionectes oleagineus | Ochre-bellied Flycatcher | Ochre-bellied Flycatcher |
| Mionectes olivaceus | Olive-striped Flycatcher | Olive-striped Flycatcher |
| Mionectes rufiventris | Grey-hooded Flycatcher | Grey-hooded Flycatcher |
| Mionectes striaticollis | Streak-necked Flycatcher | Streak-necked Flycatcher |
| Mirafra africana | Rufous-naped Lark | Rufous-naped Lark |
| Mirafra africanoides | Fawn-coloured Lark | Fawn-colored Lark |
| Mirafra albicauda | White-tailed Bush Lark | White-tailed Lark |
| Mirafra angolensis | Angola Lark | Angola Lark |
| Mirafra apiata | Clapper Lark | Clapper Lark |
| Mirafra ashi | Ash's Lark | Ash's Lark |
| Mirafra assamica | Rufous-winged Bush Lark | Rufous-winged Lark |
| Mirafra cantillans | Western Singing Bush Lark | Singing Lark |
| Mirafra cheniana | Melodious Lark | Latakoo Lark |
| Mirafra collaris | Collared Lark | Collared Lark |
| Mirafra cordofanica | Kordofan Lark | Kordofan Lark |
| Mirafra degodiensis | Degodi Lark | Degodi Lark |
| Mirafra erythroptera | Indian Red-winged Lark | Indian Lark |
| Mirafra gilletti | Gillett's Lark | Gillett's Lark |
| Mirafra hova | Hova Lark | Madagascar Lark |
| Mirafra hypermetra | Red-winged Bush Lark | Red-winged Lark |
| Mirafra javanica | Eastern Singing Bush Lark | Australasian Lark |
| Mirafra passerina | Monotonous Lark | Monotonous Lark |
| Mirafra poecilosterna | Pink-breasted Lark | Pink-breasted Lark |
| Mirafra pulpa | Friedmann's Lark | Friedmann's Lark |
| Mirafra rufa | Rusty Bush Lark | Rusty Lark |
| Mirafra rufocinnamomea | Flappet Lark | Flappet Lark |
| Mirafra sabota | Sabota Lark | Sabota Lark |
| Mirafra somalica | Somali Lark | Somali Long-billed Lark |
| Mirafra williamsi | Williams's Lark | Williams's Lark |
| Mitrephanes olivaceus | Olive Flycatcher | Olive Flycatcher |
| Mitrephanes phaeocercus | Tufted Flycatcher | Tufted Flycatcher |
| Mitrospingus cassinii | Dusky-faced Tanager | Dusky-faced Tanager |
| Mitrospingus oleagineus | Olive-backed Tanager | Olive-backed Tanager |
| Mniotilta varia | Black & White Warbler | Black-and-white Warbler |
| Modulatrix stictigula | Spot Throat | Spot-throat |
| Moho bishopi | Bishop's O-o | Bishop's Oo |
| Moho braccatus | Kauai O-o | Kauai Oo |
| Mohoua ochrocephala | Yellowhead | Yellowhead |
| Molothrus aeneus | Bronzed Cowbird | Bronzed Cowbird |
| Molothrus ater | Brown-headed Cowbird | Brown-headed Cowbird |
| Molothrus badius | Bay-winged Cowbird | Bay-winged Cowbird |
| Molothrus bonariensis | Shiny Cowbird | Shiny Cowbird |
| Molothrus rufoaxillaris | Screaming Cowbird | Screaming Cowbird |
| Momotus mexicanus | Russet-crowned Motmot | Russet-crowned Motmot |
| Momotus momota | Blue-crowned Motmot | Blue-crowned Motmot |
| Monachella muelleriana | River Flycatcher | Torrent Robin |
| Monarcha axillaris | Black Monarch | Black Monarch |
| Monarcha barbatus | Pied Monarch | Black-and-white Monarch |
| Monarcha boanensis | Black-chinned Monarch | Black-chinned Monarch |
| Monarcha brehmii | Biak Monarch | Biak Monarch |
| Monarcha browni | Kulambangra Monarch | Kulambangra Monarch |
| Monarcha castaneiventris | Chestnut-bellied Monarch | Chestnut-bellied Monarch |
| Monarcha castus | Loetoe Monarch | Loetoe Monarch |
| Monarcha chrysomela | Black & Yellow Monarch | Golden Monarch |
| Monarcha cinerascens | Island Grey-headed Monarch | Island Monarch |
| Monarcha everetti | White-tipped Monarch | White-tipped Monarch |
| Monarcha frater | Black-winged Monarch | Black-winged Monarch |
| Monarcha godeffroyi | Yap Monarch | Yap Monarch |
| Monarcha infelix | Unhappy Monarch | Manus Monarch |
| Monarcha julianae | Kofiau Monarch | Black-backed Monarch |
| Monarcha leucotis | White-eared Monarch | White-eared Monarch |
| Monarcha leucurus | Kai Monarch | White-tailed Monarch |
| Monarcha loricatus | Black-tipped Monarch | Black-tipped Monarch |
| Monarcha manadensis | Black & White Monarch | Hooded Monarch |
| Monarcha melanopsis | Pearly-winged Monarch | Black-faced Monarch |
| Monarcha menckei | St. Matthias Monarch | White-breasted Monarch |
| Monarcha mundus | Tanimbar Monarch | Black-bibbed Monarch |
| Monarcha pileatus | White-naped Monarch | White-naped Monarch |
| Monarcha richardsii | Richard's Monarch | White-capped Monarch |
| Monarcha rubiensis | Rufous Monarch | Rufous Monarch |
| Monarcha sacerdotum | Mees' Monarch | Flores Monarch |
| Monarcha takatsukasae | Tinian Monarch | Tinian Monarch |
| Monarcha trivirgatus | Spectacled Monarch | Spectacled Monarch |
| Monarcha verticalis | Bismarck Monarch | Black-tailed Monarch |
| Monarcha viduus | San Cristobal Monarch | White-collared Monarch |
| Monasa atra | Black Nunbird | Black Nunbird |
| Monasa flavirostris | Yellow-billed Nunbird | Yellow-billed Nunbird |
| Monasa morphoeus | White-fronted Nunbird | White-fronted Nunbird |
| Monasa nigrifrons | Black-fronted Nunbird | Black-fronted Nunbird |
| Monias benschi | Bensch's Monia | Subdesert Mesite |
| Monticola angolensis | Miombo Rock Thrush | Miombo Rock-Thrush |
| Monticola brevipes | Short-toed Rock Thrush | Short-toed Rock-Thrush |
| Monticola cinclorhynchus | Blue-capped Rock Thrush | Blue-capped Rock-Thrush |
| Monticola explorator | Sentinel Rock Thrush | Sentinel Rock-Thrush |
| Monticola gularis | White-throated Rock Thrush | White-throated Rock-Thrush |
| Monticola pretoriae | Transvaal Rock Thrush | Transvaal Rock-Thrush |
| Monticola rufiventris | Chestnut-bellied Rock Thrush | Chestnut-bellied Rock-Thrush |
| Monticola rufocinereus | Little Rock Thrush | Little Rock-Thrush |
| Monticola rupestris | Cape Rock Thrush | Cape Rock-Thrush |
| Monticola saxatilis | Mountain Rock Thrush | Rufous-tailed Rock-Thrush |
| Monticola solitarius | Blue Rock Thrush | Blue Rock-Thrush |
| Montifringilla adamsi | Adams' Snow Finch | Black-winged Snowfinch |
| Montifringilla blanfordi | Blanford's Snow Finch | Plain-backed Snowfinch |
| Montifringilla davidiana | Pere David's Snow Finch | Small Snowfinch |
| Montifringilla nivalis | White-winged Snow Finch | White-winged Snowfinch |
| Montifringilla ruficollis | Red-necked Snow Finch | Rufous-necked Snowfinch |
| Montifringilla taczanowskii | Mandelli's Snow Finch | White-rumped Snowfinch |
| Montifringilla theresae | Meinhertzhagen's Snow Finch | Afghan Snowfinch |
| Morococcyx erythropygus | Lesser Ground Cuckoo | Lesser Ground-Cuckoo |
| Morphnus guianensis | Guiana Crested Eagle | Crested Eagle |
| Morus bassanus | Northern Gannet | Northern Gannet |
| Morus capensis | Cape Gannet | Cape Gannet |
| Morus serrator | Australian Gannet | Australian Gannet |
| Motacilla aguimp | African Pied Wagtail | African Pied Wagtail |
| Motacilla alba | Pied Wagtail | White Wagtail |
| Motacilla capensis | Cape Wagtail | Cape Wagtail |
| Motacilla cinerea | Grey Wagtail | Grey Wagtail |
| Motacilla citreola | Citrine Wagtail | Citrine Wagtail |
| Motacilla clara | Mountain Wagtail | Mountain Wagtail |
| Motacilla flava | Yellow Wagtail | Yellow Wagtail |
| Motacilla flaviventris | Madagascar Wagtail | Madagascar Wagtail |
| Motacilla grandis | Japanese Pied Wagtail | Japanese Wagtail |
| Mulleripicus fulvus | Fulvous Woodpecker | Ashy Woodpecker |
| Mulleripicus funebris | Sooty Woodpecker | Sooty Woodpecker |
| Mulleripicus pulverulentus | Great Slaty Woodpecker | Great Slaty Woodpecker |
| Muscicapa adusta | Dusky Flycatcher | Dusky Alseonax |
| Muscicapa aquatica | Swamp Flycatcher | Swamp Alseonax |
| Muscicapa boehmi | Bohm's Flycatcher | Boehm's Flycatcher |
| Muscicapa cassini | Cassin's Grey Flycatcher | Cassin's Alseonax |
| Muscicapa comitata | Dusky Blue Flycatcher | Dusky-blue Flycatcher |
| Muscicapa dauurica | Brown Flycatcher | Asian Brown Flycatcher |
| Muscicapa epulata | Little Grey Flycatcher | Little Grey Alseonax |
| Muscicapa ferruginea | Ferruginous Flycatcher | Ferruginous Flycatcher |
| Muscicapa gambagae | Gambaga Spotted Flycatcher | Gambaga Flycatcher |
| Muscicapa griseisticta | Grey-streaked Flycatcher | Grey-streaked Flycatcher |
| Muscicapa infuscata | African Sooty Flycatcher | Sooty Flycatcher |
| Muscicapa lendu | Chapin's Flycatcher | Chapin's Alseonax |
| Muscicapa muttui | Brown-breasted Flycatcher | Brown-breasted Flycatcher |
| Muscicapa olivascens | Olivaceous Flycatcher | Olivaceous Alseonax |
| Muscicapa randi | Ashy-breasted Flycatcher | Ashy-breasted Flycatcher |
| Muscicapa ruficauda | Rufous-tailed Flycatcher | Rusty-tailed Flycatcher |
| Muscicapa segregata | Sumba Brown Flycatcher | Sumba Brown Flycatcher |
| Muscicapa sethsmithi | Yellow-footed Flycatcher | Yellow-footed Alseonax |
| Muscicapa sibirica | Siberian Flycatcher | Dark-sided Flycatcher |
| Muscicapa striata | Spotted Flycatcher | Spotted Flycatcher |
| Muscicapa tessmanni | Tessmann's Flycatcher | Tessmann's Flycatcher |
| Muscicapa ussheri | Ussher's Dusky Flycatcher | Ussher's Flycatcher |
| Muscigralla brevicauda | Short-tailed Field Tyrant | Short-tailed Field-Tyrant |
| Muscipipra vetula | Shear-tailed Grey Tyrant | Shear-tailed Grey Tyrant |
| Muscisaxicola albifrons | White-fronted Ground Tyrant | White-fronted Ground-Tyrant |
| Muscisaxicola albilora | White-browed Ground Tyrant | White-browed Ground-Tyrant |
| Muscisaxicola alpina | Plain-capped Ground Tyrant | Plain-capped Ground-Tyrant |
| Muscisaxicola capistrata | Cinnamon-bellied Ground Tyrant | Cinnamon-bellied Ground-Tyrant |
| Muscisaxicola cinerea | Cinereous Ground Tyrant | Cinereous Ground-Tyrant |
| Muscisaxicola flavinucha | Ochre-naped Ground Tyrant | Ochre-naped Ground-Tyrant |
| Muscisaxicola fluviatilis | Little Ground Tyrant | Little Ground-Tyrant |
| Muscisaxicola frontalis | Black-fronted Ground Tyrant | Black-fronted Ground-Tyrant |
| Muscisaxicola juninensis | Puna Ground Tyrant | Puna Ground-Tyrant |
| Muscisaxicola macloviana | Dark-faced Ground Tyrant | Dark-faced Ground-Tyrant |
| Muscisaxicola maculirostris | Spot-billed Ground Tyrant | Spot-billed Ground-Tyrant |
| Muscisaxicola rufivertex | Rufous-naped Ground Tyrant | Rufous-naped Ground-Tyrant |
| Musophaga johnstoni | Ruwenzori Turaco | Ruwenzori Turaco |
| Musophaga porphyreolopha | Violet-crested Turaco | Purple-crested Turaco |
| Musophaga rossae | Lady Ross's Turaco | Ross's Turaco |
| Musophaga violacea | Violet Turaco | Violet Turaco |
| Myadestes coloratus | Varied Solitaire | Varied Solitaire |
| Myadestes elisabeth | Cuban Solitaire | Cuban Solitaire |
| Myadestes genibarbis | Rufous-throated Solitaire | Rufous-throated Solitaire |
| Myadestes lanaiensis | Lanai Thrush | Olomao |
| Myadestes melanops | Black-faced Solitaire | Black-faced Solitaire |
| Myadestes myadestinus | Large Kauai Thrush | Kamao |
| Myadestes obscurus | Hawaiian Thrush | Omao |
| Myadestes occidentalis | Brown-backed Solitaire | Brown-backed Solitaire |
| Myadestes palmeri | Small Kauai Thrush | Puaiohi |
| Myadestes ralloides | Andean Solitaire | Andean Solitaire |
| Myadestes townsendi | Townsend's Solitaire | Townsend's Solitaire |
| Myadestes unicolor | Slate-coloured Solitaire | Slate-colored Solitaire |
| Mycteria americana | American Wood Ibis | Wood Stork |
| Mycteria cinerea | Milky Stork | Milky Stork |
| Mycteria ibis | Yellow-billed Stork | Yellow-billed Stork |
| Mycteria leucocephala | Painted Stork | Painted Stork |
| Myiagra albiventris | White-vented Flycatcher | Samoan Flycatcher |
| Myiagra alecto | Shining Flycatcher | Shining Flycatcher |
| Myiagra atra | Black Myiagra Flycatcher | Biak Flycatcher |
| Myiagra azureocapilla | Blue-headed Flycatcher | Blue-crested Flycatcher |
| Myiagra caledonica | New Caledonian Flycatcher | Melanesian Flycatcher |
| Myiagra cervinicauda | San Cristobal Myiagra Flycatcher | Ochre-headed Flycatcher |
| Myiagra cyanoleuca | Satin Flycatcher | Satin Flycatcher |
| Myiagra ferrocyanea | Steel-blue Flycatcher | Steel-blue Flycatcher |
| Myiagra galeata | Helmet Flycatcher | Dark-grey Flycatcher |
| Myiagra hebetior | Dull Flycatcher | Dull Flycatcher |
| Myiagra inquieta | Restless Flycatcher | Restless Flycatcher |
| Myiagra oceanica | Micronesian Myiagra Flycatcher | Oceanic Flycatcher |
| Myiagra rubecula | Leaden Flycatcher | Leaden Flycatcher |
| Myiagra ruficollis | Broad-billed Flycatcher | Broad-billed Flycatcher |
| Myiagra vanikorensis | Red-bellied Flycatcher | Vanikoro Flycatcher |
| Myiarchus antillarum | Puerto Rican Flycatcher | Puerto Rican Flycatcher |
| Myiarchus apicalis | Apical Flycatcher | Apical Flycatcher |
| Myiarchus barbirostris | Sad Flycatcher | Sad Flycatcher |
| Myiarchus cephalotes | Pale-edged Flycatcher | Pale-edged Flycatcher |
| Myiarchus cinerascens | Ash-throated Flycatcher | Ash-throated Flycatcher |
| Myiarchus crinitus | Great Crested Flycatcher | Great Crested Flycatcher |
| Myiarchus ferox | Short-crested Flycatcher | Short-crested Flycatcher |
| Myiarchus magnirostris | Galapagos Flycatcher | Large-billed Flycatcher |
| Myiarchus nugator | Grenada Flycatcher | Grenada Flycatcher |
| Myiarchus nuttingi | Pale-throated Flycatcher | Nutting's Flycatcher |
| Myiarchus oberi | Wied's Crested Flycatcher | Lesser Antillean Flycatcher |
| Myiarchus panamensis | Panama Flycatcher | Panama Flycatcher |
| Myiarchus phaeocephalus | Sooty-crowned Flycatcher | Sooty-crowned Flycatcher |
| Myiarchus sagrae | La Sagra's Flycatcher | La Sagra's Flycatcher |
| Myiarchus semirufus | Rufous Flycatcher | Rufous Flycatcher |
| Myiarchus stolidus | Stolid Flycatcher | Stolid Flycatcher |
| Myiarchus swainsoni | Swainson's Flycatcher | Swainson's Flycatcher |
| Myiarchus tuberculifer | Olivaceous Flycatcher | Dusky-capped Flycatcher |
| Myiarchus tyrannulus | Brown Crested Flycatcher | Brown-crested Flycatcher |
| Myiarchus validus | Rufous-tailed Flycatcher | Rufous-tailed Flycatcher |
| Myiarchus venezuelensis | Venezuelan Flycatcher | Venezuelan Flycatcher |
| Myiarchus yucatanensis | Yucatan Flycatcher | Yucatan Flycatcher |
| Myiobius atricaudus | Black-tailed Flycatcher | Black-tailed Flycatcher |
| Myiobius barbatus | Sulphur-rumped Flycatcher | Sulphur-rumped Flycatcher |
| Myiobius villosus | Tawny-breasted Flycatcher | Tawny-breasted Flycatcher |
| Myioborus albifacies | White-faced Redstart | White-faced Redstart |
| Myioborus albifrons | White-fronted Redstart | White-fronted Redstart |
| Myioborus brunniceps | Brown-capped Redstart | Brown-capped Redstart |
| Myioborus cardonai | Saffron-breasted Redstart | Saffron-breasted Redstart |
| Myioborus flavivertex | Yellow-crowned Redstart | Yellow-crowned Redstart |
| Myioborus melanocephalus | Spectacled Redstart | Spectacled Redstart |
| Myioborus miniatus | Slate-throated Redstart | Slate-throated Redstart |
| Myioborus ornatus | Golden-fronted Redstart | Golden-fronted Redstart |
| Myioborus pariae | Yellow-faced Redstart | Yellow-faced Redstart |
| Myioborus pictus | Painted Redstart | Painted Redstart |
| Myioborus torquatus | Collared Redstart | Collared Redstart |
| Myiodynastes chrysocephalus | Golden-crowned Flycatcher | Golden-crowned Flycatcher |
| Myiodynastes hemichrysus | Golden-bellied Flycatcher | Golden-bellied Flycatcher |
| Myiodynastes luteiventris | Sulphur-bellied Flycatcher | Sulphur-bellied Flycatcher |
| Myiodynastes maculatus | Streaked Flycatcher | Streaked Flycatcher |
| Myiopagis caniceps | Grey Elaenia | Grey Elaenia |
| Myiopagis cotta | Yellow Elaenia | Jamaican Elaenia |
| Myiopagis flavivertex | Yellow-crowned Elaenia | Yellow-crowned Elaenia |
| Myiopagis gaimardii | Forest Elaenia | Forest Elaenia |
| Myiopagis subplacens | Pacific Elaenia | Pacific Elaenia |
| Myiopagis viridicata | Greenish Elaenia | Greenish Elaenia |
| Myioparus plumbeus | Grey Tit Flycatcher | Grey Tit-Flycatcher |
| Myiophobus cryptoxanthus | Olive-crested Flycatcher | Olive-chested Flycatcher |
| Myiophobus fasciatus | Bran-coloured Flycatcher | Bran-colored Flycatcher |
| Myiophobus flavicans | Flavescent Flycatcher | Flavescent Flycatcher |
| Myiophobus inornatus | Unadorned Flycatcher | Unadorned Flycatcher |
| Myiophobus lintoni | Orange-banded Flycatcher | Orange-banded Flycatcher |
| Myiophobus ochraceiventris | Ochraceous-breasted Flycatcher | Ochraceous-breasted Flycatcher |
| Myiophobus phoenicomitra | Orange-crested Flycatcher | Orange-crested Flycatcher |
| Myiophobus pulcher | Handsome Flycatcher | Handsome Flycatcher |
| Myiophobus roraimae | Roraiman Flycatcher | Roraiman Flycatcher |
| Myiopsitta monachus | Monk Parakeet | Monk Parakeet |
| Myiornis albiventris | White-breasted Pygmy Tyrant | White-bellied Pygmy-Tyrant |
| Myiornis atricapillus | Black-capped Pygmy Tyrant | Black-capped Pygmy-Tyrant |
| Myiornis auricularis | Eared Pygmy Tyrant | Eared Pygmy-Tyrant |
| Myiornis ecaudatus | Short-tailed Pygmy Tyrant | Short-tailed Pygmy-Tyrant |
| Myiotheretes fumigatus | Smoky Bush-Tyrant | Smoky Bush-Tyrant |
| Myiotheretes fuscorufus | Rufous-bellied Bush-Tyrant | Rufous-bellied Bush-Tyrant |
| Myiotheretes pernix | Santa Marta Bush-Tyrant | Santa Marta Bush-Tyrant |
| Myiotheretes striaticollis | Streak-throated Bush-Tyrant | Streak-throated Bush-Tyrant |
| Myiotriccus ornatus | Ornate Flycatcher | Ornate Flycatcher |
| Myiozetetes cayanensis | Rusty-margined Flycatcher | Rusty-margined Flycatcher |
| Myiozetetes granadensis | Grey-capped Flycatcher | Grey-capped Flycatcher |
| Myiozetetes luteiventris | Dusky-chested Flycatcher | Dusky-chested Flycatcher |
| Myiozetetes similis | Social Flycatcher | Social Flycatcher |
| Myornis senilis | Ash-coloured Tapaculo | Ash-colored Tapaculo |
| Myrmeciza atrothorax | Black-throated Antbird | Black-throated Antbird |
| Myrmeciza berlepschi | Stub-tailed Antbird | Stub-tailed Antbird |
| Myrmeciza disjuncta | Yapacana Antbird | Yapacana Antbird |
| Myrmeciza exsul | Chestnut-backed Antbird | Chestnut-backed Antbird |
| Myrmeciza ferruginea | Ferruginous-backed Antbird | Ferruginous-backed Antbird |
| Myrmeciza fortis | Sooty Antbird | Sooty Antbird |
| Myrmeciza goeldii | Goeldi's Antbird | Goeldi's Antbird |
| Myrmeciza griseiceps | Grey-headed Antbird | Grey-headed Antbird |
| Myrmeciza hemimelaena | Chestnut-tailed Antbird | Chestnut-tailed Antbird |
| Myrmeciza hyperythra | Plumbeous Antbird | Plumbeous Antbird |
| Myrmeciza immaculata | Immaculate Antbird | Immaculate Antbird |
| Myrmeciza laemosticta | Dull-mantled Antbird | Dull-mantled Antbird |
| Myrmeciza longipes | Swainson's Antcatcher | White-bellied Antbird |
| Myrmeciza loricata | White-bibbed Antbird | White-bibbed Antbird |
| Myrmeciza melanoceps | White-shouldered Antbird | White-shouldered Antbird |
| Myrmeciza nigricauda | Esmeraldas Antbird | Esmeraldas Antbird |
| Myrmeciza pelzelni | Grey-bellied Antbird | Grey-bellied Antbird |
| Myrmeciza ruficauda | Scalloped Antbird | Scalloped Antbird |
| Myrmeciza squamosa | Squamate Antbird | Squamate Antbird |
| Myrmecocichla aethiops | Northern Anteater Chat | Northern Anteater-Chat |
| Myrmecocichla albifrons | White-fronted Black Chat | White-fronted Black-Chat |
| Myrmecocichla formicivora | Southern Anteater Chat | Southern Anteater-Chat |
| Myrmecocichla melaena | Ruppell's Black Chat | Rueppell's Chat |
| Myrmecocichla nigra | Sooty Chat | Sooty Chat |
| Myrmecocichla tholloni | Congo Moorchat | Congo Moor-Chat |
| Myrmia micrura | Short-tailed Woodstar | Short-tailed Woodstar |
| Myrmoborus leucophrys | White-browed Antbird | White-browed Antbird |
| Myrmoborus lugubris | Ash-breasted Antbird | Ash-breasted Antbird |
| Myrmoborus melanurus | Black-tailed Antbird | Black-tailed Antbird |
| Myrmoborus myotherinus | Black-faced Antbird | Black-faced Antbird |
| Myrmochanes hemileucus | Black & White Antcatcher | Black-and-white Antbird |
| Myrmorchilus strigilatus | Stripe-backed Antbird | Stripe-backed Antbird |
| Myrmornis torquata | Wing-banded Ant-thrush | Wing-banded Antbird |
| Myrmothera campanisona | Thrush-like Antpitta | Thrush-like Antpitta |
| Myrmothera simplex | Brown-breasted Antpitta | Brown-breasted Antpitta |
| Myrmotherula ambigua | Yellow-throated Antwren | Yellow-throated Antwren |
| Myrmotherula assimilis | Leaden Antwren | Leaden Antwren |
| Myrmotherula axillaris | White-flanked Antwren | White-flanked Antwren |
| Myrmotherula behni | Plain-winged Antwren | Plain-winged Antwren |
| Myrmotherula brachyura | Pygmy Antwren | Pygmy Antwren |
| Myrmotherula cherriei | Cherrie's Antwren | Cherrie's Antwren |
| Myrmotherula erythrura | Rufous-tailed Antwren | Rufous-tailed Antwren |
| Myrmotherula fluminensis | Rio de Janeiro Antwren | Rio de Janeiro Antwren |
| Myrmotherula fulviventris | Checker-throated Antwren | Checker-throated Antwren |
| Myrmotherula grisea | Ashy Antwren | Ashy Antwren |
| Myrmotherula gularis | Star-throated Antwren | Star-throated Antwren |
| Myrmotherula guttata | Rufous-bellied Antwren | Rufous-bellied Antwren |
| Myrmotherula gutturalis | Brown-bellied Antwren | Brown-bellied Antwren |
| Myrmotherula haematonota | Stipple-throated Antwren | Stipple-throated Antwren |
| Myrmotherula hauxwelli | Plain-throated Antwren | Plain-throated Antwren |
| Myrmotherula iheringi | Ihering's Antwren | Ihering's Antwren |
| Myrmotherula klagesi | Klages's Antwren | Klages's Antwren |
| Myrmotherula leucophthalma | White-eyed Antwren | White-eyed Antwren |
| Myrmotherula longicauda | Stripe-chested Antwren | Stripe-chested Antwren |
| Myrmotherula longipennis | Long-winged Antwren | Long-winged Antwren |
| Myrmotherula menetriesii | Grey Antwren | Grey Antwren |
| Myrmotherula minor | Salvadori's Antwren | Salvadori's Antwren |
| Myrmotherula obscura | Short-billed Antwren | Short-billed Antwren |
| Myrmotherula ornata | Ornate Antwren | Ornate Antwren |
| Myrmotherula schisticolor | Slaty Antwren | Slaty Antwren |
| Myrmotherula sclateri | Sclater's Antwren | Sclater's Antwren |
| Myrmotherula spodionota | Foothill Antwren | Foothill Antwren |
| Myrmotherula sunensis | Rio Suno Antwren | Rio Suno Antwren |
| Myrmotherula surinamensis | Streaked Antwren | Streaked Antwren |
| Myrmotherula unicolor | Unicoloured Antwren | Unicolored Antwren |
| Myrmotherula urosticta | Band-tailed Antwren | Band-tailed Antwren |
| Myrtis fanny | Purple-collared Woodstar | Purple-collared Woodstar |
| Mystacornis crossleyi | Crossley's Babbler | Crossley's Babbler |
| Myza celebensis | Brown Honeysucker | Dark-eared Myza |
| Myza sarasinorum | Spot-headed Honeysucker | White-eared Myza |
| Myzomela adolphinae | Mountain Red-headed Honeyeater | Mountain Myzomela |
| Myzomela albigula | White-chinned Honeyeater | White-chinned Myzomela |
| Myzomela blasii | Ambon Honeyeater | Drab Myzomela |
| Myzomela cardinalis | Cardinal Honeyeater | Cardinal Myzomela |
| Myzomela cruentata | Red Honeyeater | Red Myzomela |
| Myzomela eichhorni | Yellow-vented Honeyeater | Yellow-vented Myzomela |
| Myzomela eques | Red-spot Honeyeater | Red-throated Myzomela |
| Myzomela erythrocephala | Mangrove Red-headed Honeyeater | Red-headed Myzomela |
| Myzomela erythromelas | Black-bellied Honeyeater | Black-bellied Myzomela |
| Myzomela jugularis | Orange-breasted Honeyeater | Orange-breasted Myzomela |
| Myzomela kuehni | Crimson-hooded Honeyeater | Crimson-hooded Myzomela |
| Myzomela lafargei | Small Bougainville Honeyeater | Scarlet-naped Myzomela |
| Myzomela malaitae | Malaita Honeyeater | Red-bellied Myzomela |
| Myzomela melanocephala | Black-headed Honeyeater | Black-headed Myzomela |
| Myzomela nigrita | Black Honeyeater | Black Myzomela |
| Myzomela obscura | Dusky Honeyeater | Dusky Myzomela |
| Myzomela pulchella | New Ireland Honeyeater | Olive-yellow Myzomela |
| Myzomela rosenbergii | Black & Red Honeyeater | Red-collared Myzomela |
| Myzomela rubratra | Micronesian Honeyeater | Micronesian Myzomela |
| Myzomela sanguinolenta | Scarlet Honeyeater | Scarlet Myzomela |
| Myzomela sclateri | Scarlet-throated Honeyeater | Scarlet-bibbed Myzomela |
| Myzomela tristrami | Tristram's Honeyeater | Sooty Myzomela |
| Myzomela vulnerata | Sunda Honeyeater | Red-rumped Myzomela |
| Myzornis pyrrhoura | Fire-tailed Myzornis | Fire-tailed Myzornis |
| Namibornis herero | Herero Chat | Herero Chat |
| Nandayus nenday | Nanday Conure | Nanday Parakeet |
| Nannopsittaca dachilleae | Amazonian Parrotlet | Amazonian Parrotlet |
| Nannopsittaca panychlora | Tepui Parrotlet | Tepui Parrotlet |
| Napothera atrigularis | Black-throated Wren Babbler | Black-throated Wren-Babbler |
| Napothera brevicaudata | Streaked Wren Babbler | Streaked Wren-Babbler |
| Napothera crassa | Mountain Wren Babbler | Mountain Wren-Babbler |
| Napothera crispifrons | Limestone Wren Babbler | Limestone Wren-Babbler |
| Napothera epilepidota | Lesser Wren Babbler | Eyebrowed Wren-Babbler |
| Napothera macrodactyla | Large Wren Babbler | Large Wren-Babbler |
| Napothera marmorata | Marbled Wren Babbler | Marbled Wren-Babbler |
| Napothera rabori | Luzon Wren Babbler | Rabor's Wren-Babbler |
| Napothera rufipectus | Sumatran Wren Babbler | Rusty-breasted Wren-Babbler |
| Nasica longirostris | Long-billed Woodcreeper | Long-billed Woodcreeper |
| Neafrapus boehmi | Boehm's Spinetailed Swift | Bat-like Spinetail |
| Neafrapus cassini | Cassin's Spinetailed Swift | Cassin's Spinetail |
| Necrosyrtes monachus | Hooded Vulture | Hooded Vulture |
| Nectarinia adelberti | Buff-throated Sunbird | Buff-throated Sunbird |
| Nectarinia afra | Greater Double-collared Sunbird | Greater Double-collared Sunbird |
| Nectarinia alinae | Blue-headed Sunbird | Blue-headed Sunbird |
| Nectarinia amethystina | Amethyst Sunbird | Amethyst Sunbird |
| Nectarinia asiatica | Purple Sunbird | Purple Sunbird |
| Nectarinia aspasia | Black Sunbird | Black Sunbird |
| Nectarinia balfouri | Socotra Sunbird | Socotra Sunbird |
| Nectarinia bannermani | Bannerman's Sunbird | Bannerman's Sunbird |
| Nectarinia batesi | Bates's Olive Sunbird | Bates's Sunbird |
| Nectarinia bifasciata | Purple-banded Sunbird | Purple-banded Sunbird |
| Nectarinia bocagii | Bocage's Sunbird | Bocage's Sunbird |
| Nectarinia bouvieri | Southern Orange-tufted Sunbird | Orange-tufted Sunbird |
| Nectarinia buettikoferi | Sumba Island Sunbird | Apricot-breasted Sunbird |
| Nectarinia calcostetha | Macklot's Sunbird | Copper-throated Sunbird |
| Nectarinia chalybea | Lesser Double-collared Sunbird | Southern Double-collared Sunbird |
| Nectarinia chloropygia | Olive-bellied Sunbird | Olive-bellied Sunbird |
| Nectarinia comorensis | Anjouan Sunbird | Anjouan Sunbird |
| Nectarinia congensis | Congo Black-bellied Sunbird | Congo Sunbird |
| Nectarinia coquerellii | Mayotte Sunbird | Mayotte Sunbird |
| Nectarinia cuprea | Coppery Sunbird | Copper Sunbird |
| Nectarinia cyanolaema | Blue-throated Sunbird | Blue-throated Brown Sunbird |
| Nectarinia dussumieri | Seychelles Sunbird | Seychelles Sunbird |
| Nectarinia erythrocerca | Red-chested Sunbird | Red-chested Sunbird |
| Nectarinia famosa | Yellow-tufted Malachite Sunbird | Malachite Sunbird |
| Nectarinia fuliginosa | Carmelite Sunbird | Carmelite Sunbird |
| Nectarinia fusca | Dusky Sunbird | Dusky Sunbird |
| Nectarinia habessinica | Shining Sunbird | Shining Sunbird |
| Nectarinia hartlaubii | Principe Sunbird | Principe Sunbird |
| Nectarinia humbloti | Humblot's Sunbird | Humblot's Sunbird |
| Nectarinia hunteri | Hunter's Sunbird | Hunter's Sunbird |
| Nectarinia johannae | Madame Verreaux's Sunbird | Johanna's Sunbird |
| Nectarinia johnstoni | Red-tufted Malachite Sunbird | Red-tufted Sunbird |
| Nectarinia jugularis | Olive-backed Sunbird | Olive-backed Sunbird |
| Nectarinia kilimensis | Bronze Sunbird | Bronze Sunbird |
| Nectarinia lotenia | Loten's Sunbird | Long-billed Sunbird |
| Nectarinia loveridgei | Loveridge's Sunbird | Loveridge's Sunbird |
| Nectarinia ludovicensis | Montane Double-collared Sunbird | Montane Double-collared Sunbird |
| Nectarinia manoensis | Miombo Double-collared Sunbird | Miombo Double-collared Sunbird |
| Nectarinia mariquensis | Mariqua Sunbird | Mariqua Sunbird |
| Nectarinia mediocris | Eastern Double-collared Sunbird | Eastern Double-collared Sunbird |
| Nectarinia minima | Small Sunbird | Crimson-backed Sunbird |
| Nectarinia minulla | Tiny Sunbird | Tiny Sunbird |
| Nectarinia moreaui | Moreau's Sunbird | Moreau's Sunbird |
| Nectarinia nectarinioides | Smaller Black-bellied Sunbird | Black-bellied Sunbird |
| Nectarinia neergaardi | Neergaard's Sunbird | Neergaard's Sunbird |
| Nectarinia newtonii | Newton's Yellow-breasted Sunbird | Newton's Sunbird |
| Nectarinia notata | Noted Sunbird | Long-billed Green Sunbird |
| Nectarinia olivacea | Olive Sunbird | Olive Sunbird |
| Nectarinia oritis | Cameroun Blue-headed Sunbird | Cameroon Sunbird |
| Nectarinia osea | Northern Orange-tufted Sunbird | Palestine Sunbird |
| Nectarinia oustaleti | Oustalet's White-bellied Sunbird | Oustalet's Sunbird |
| Nectarinia pembae | Violet-breasted Sunbird | Violet-breasted Sunbird |
| Nectarinia preussi | Northern Double-collared Sunbird | Northern Double-collared Sunbird |
| Nectarinia prigoginei | Prigogine's Double-collared Sunbird | Prigogine's Double-collared Sunbird |
| Nectarinia pulchella | Beautiful Sunbird | Beautiful Sunbird |
| Nectarinia purpureiventris | Purple-breasted Sunbird | Purple-breasted Sunbird |
| Nectarinia regia | Regal Sunbird | Regal Sunbird |
| Nectarinia reichenbachii | Reichenbach's Sunbird | Reichenbach's Sunbird |
| Nectarinia reichenowi | Golden-winged Sunbird | Golden-winged Sunbird |
| Nectarinia rockefelleri | Rockefeller's Sunbird | Rockefeller's Sunbird |
| Nectarinia rubescens | Green-throated Sunbird | Green-throated Sunbird |
| Nectarinia rufipennis | Rufous-winged Sunbird | Rufous-winged Sunbird |
| Nectarinia seimundi | Little Green Sunbird | Little Green Sunbird |
| Nectarinia senegalensis | Scarlet-chested Sunbird | Scarlet-chested Sunbird |
| Nectarinia shelleyi | Shelley's Sunbird | Shelley's Sunbird |
| Nectarinia solaris | Timor Sunbird | Flame-breasted Sunbird |
| Nectarinia sperata | Van Hasselt's Sunbird | Purple-throated Sunbird |
| Nectarinia stuhlmanni | Stuhlmann's Double-collared Sunbird | Stuhlmann's Double-collared Sunbird |
| Nectarinia superba | Superb Sunbird | Superb Sunbird |
| Nectarinia tacazze | Tacazze Sunbird | Tacazze Sunbird |
| Nectarinia talatala | Southern White-bellied Sunbird | White-breasted Sunbird |
| Nectarinia thomensis | Sao Thome Giant Sunbird | Sao Tome Sunbird |
| Nectarinia ursulae | Fernando Po Sunbird | Ursula's Sunbird |
| Nectarinia venusta | Variable Sunbird | Variable Sunbird |
| Nectarinia veroxii | Mouse-coloured Sunbird | Mouse-colored Sunbird |
| Nectarinia verticalis | Green-headed Sunbird | Green-headed Sunbird |
| Nectarinia violacea | Orange-breasted Sunbird | Orange-breasted Sunbird |
| Nectarinia zeylonica | Purple-rumped Sunbird | Purple-rumped Sunbird |
| Nemosia pileata | Hooded Tanager | Hooded Tanager |
| Nemosia rourei | Cherry-throated Tanager | Cherry-throated Tanager |
| Neochelidon tibialis | White-thighed Swallow | White-thighed Swallow |
| Neochmia phaeton | Crimson Finch | Crimson Finch |
| Neochmia ruficauda | Star Finch | Star Finch |
| Neocichla gutturalis | White-winged Starling | Babbling Starling |
| Neocossyphus finschii | Finsch's Flycatcher Thrush | Finsch's Flycatcher-Thrush |
| Neocossyphus fraseri | Rufous Flycatcher Thrush | Rufous Flycatcher-Thrush |
| Neocossyphus poensis | White-tailed Ant-thrush | White-tailed Ant-Thrush |
| Neocossyphus rufus | Red-tailed Ant-thrush | Red-tailed Ant-Thrush |
| Neoctantes niger | Black Bushbird | Black Bushbird |
| Neodrepanis coruscans | Wattled False Sunbird | Sunbird Asity |
| Neolalage banksiana | Buff-bellied Flycatcher | Buff-bellied Monarch |
| Neolestes torquatus | Black-collared Bulbul | Black-collared Bulbul |
| Neomixis flavoviridis | Wedge-tailed Jery | Wedge-tailed Jery |
| Neomixis striatigula | Stripe-throated Jery | Stripe-throated Jery |
| Neomixis tenella | Northern Jery | Common Jery |
| Neomixis viridis | Southern Green Jery | Green Jery |
| Neomorphus geoffroyi | Rufous-vented Ground Cuckoo | Rufous-vented Ground-Cuckoo |
| Neomorphus pucheranii | Red-billed Ground Cuckoo | Red-billed Ground-Cuckoo |
| Neomorphus radiolosus | Banded Ground Cuckoo | Banded Ground-Cuckoo |
| Neomorphus rufipennis | Rufous-winged Ground Cuckoo | Rufous-winged Ground-Cuckoo |
| Neomorphus squamiger | Scaled Ground Cuckoo | Scaled Ground-Cuckoo |
| Neopelma aurifrons | Wied's Tyrant Manakin | Wied's Tyrant-Manakin |
| Neopelma chrysocephalum | Saffron-crested Tyrant Manakin | Saffron-crested Tyrant-Manakin |
| Neopelma pallescens | Pale-bellied Tyrant Manakin | Pale-bellied Tyrant-Manakin |
| Neopelma sulphureiventer | Sulphur-bellied Tyrant Manakin | Sulphur-bellied Tyrant-Manakin |
| Neophema chrysogaster | Orange-bellied Parrot | Orange-bellied Parrot |
| Neophema chrysostoma | Blue-winged Parrot | Blue-winged Parrot |
| Neophema elegans | Elegant Parrot | Elegant Parrot |
| Neophema petrophila | Rock Parrot | Rock Parrot |
| Neophema pulchella | Turquoise Parrot | Turquoise Parrot |
| Neophema splendida | Scarlet-chested Parrot | Scarlet-chested Parrot |
| Neophron percnopterus | Egyptian Vulture | Egyptian Vulture |
| Neopipo cinnamomea | Cinnamon Manakin | Cinnamon Tyrant-Manakin |
| Neopsittacus musschenbroekii | Musschenbroek's Lorikeet | Yellow-billed Lorikeet |
| Neopsittacus pullicauda | Emerald Lorikeet | Orange-billed Lorikeet |
| Neospiza concolor | Sao Thome Grosbeak-Weaver | Sao Tome Canary |
| Neothraupis fasciata | White-banded Tanager | White-banded Tanager |
| Neotis denhami | Denham's Bustard | Stanley Bustard |
| Neotis heuglinii | Heuglin's Bustard | Heuglin's Bustard |
| Neotis ludwigii | Ludwig's Bustard | Ludwig's Bustard |
| Neotis nuba | Nubian Bustard | Nubian Bustard |
| Neoxolmis rufiventris | Chocolate-vented Tyrant | Chocolate-vented Tyrant |
| Nesasio solomonensis | Fearful Owl | Fearful Owl |
| Nesillas brevicaudata | Grand Comoro Brush-Warbler | Grand Comoro Brush-Warbler |
| Nesillas longicaudata | Anjouan Brush-Warbler | Anjouan Brush-Warbler |
| Nesillas mariae | Moheli Brush-Warbler | Moheli Brush-Warbler |
| Nesillas typica | Malagasy Brush-Warbler | Madagascar Brush-Warbler |
| Nesocharis ansorgei | White-collared Olive-back | White-collared Oliveback |
| Nesocharis capistrata | Grey-headed Olive-back | Grey-headed Oliveback |
| Nesocharis shelleyi | Fernando Po Olive-back | Fernando Po Oliveback |
| Nesocichla eremita | Tristan Thrush | Tristan Thrush |
| Nesoctites micromegas | Antillean Piculet | Antillean Piculet |
| Nesofregetta fuliginosa | White-throated Storm Petrel | Polynesian Storm-Petrel |
| Nesomimus trifasciatus | Galapagos Mockingbird | Charles Mockingbird |
| Nesopsar nigerrimus | Jamaican Blackbird | Jamaican Blackbird |
| Nesospingus speculiferus | Puerto Rican Tanager | Puerto Rican Tanager |
| Nesospiza acunhae | Nightingale Finch | Nightingale Finch |
| Nesospiza wilkinsi | Wilkins's Finch | Wilkins's Finch |
| Nesotriccus ridgwayi | Cocos Island Flycatcher | Cocos Flycatcher |
| Nestor meridionalis | Kaka | New Zealand Kaka |
| Nestor notabilis | Kea | Kea |
| Netta erythrophthalma | Southern Pochard | Southern Pochard |
| Netta peposaca | Rosybill | Rosy-billed Pochard |
| Netta rufina | Red-crested Pochard | Red-crested Pochard |
| Nettapus auritus | African Pygmy Goose | African Pygmy-goose |
| Nettapus coromandelianus | Cotton Teal | Cotton Pygmy-goose |
| Nettapus pulchellus | Green Pygmy Goose | Green Pygmy-goose |
| Newtonia amphichroa | Tulear Newtonia | Dark Newtonia |
| Newtonia archboldi | Tabity Newtonia | Archbold's Newtonia |
| Newtonia brunneicauda | Common Newtonia | Common Newtonia |
| Newtonia fanovanae | Fanovana Newtonia | Red-tailed Newtonia |
| Nicator chloris | Western Nicator | Yellow-spotted Nicator |
| Nicator gularis | Eastern Nicator | Eastern Nicator |
| Nicator vireo | Yellow-throated Nicator | Yellow-throated Nicator |
| Nigrita bicolor | Chestnut-breasted Negro Finch | Chestnut-breasted Negrofinch |
| Nigrita canicapilla | Grey-headed Negro Finch | Grey-headed Negrofinch |
| Nigrita fusconota | White-breasted Negro Finch | White-breasted Negrofinch |
| Nigrita luteifrons | Pale-fronted Negro Finch | Pale-fronted Negrofinch |
| Nilaus afer | Brubru Shrike | Brubru |
| Niltava davidi | Fukien Niltava | Fujian Niltava |
| Niltava grandis | Large Niltava | Large Niltava |
| Niltava macgrigoriae | Small Niltava | Small Niltava |
| Niltava sumatrana | Sumatran Niltava | Rufous-vented Niltava |
| Niltava sundara | Rufous-bellied Niltava | Rufous-bellied Niltava |
| Niltava vivida | Vivid Niltava | Vivid Niltava |
| Ninox affinis | Andaman Hawk Owl | Andaman Hawk-Owl |
| Ninox connivens | Barking Owl | Barking Owl |
| Ninox jacquinoti | Solomon Islands Hawk Owl | Solomon Islands Hawk-Owl |
| Ninox meeki | Admiralty Islands Hawk Owl | Manus Hawk-Owl |
| Ninox novaeseelandiae | Boobook Owl | Morepork |
| Ninox ochracea | Ochre-bellied Hawk Owl | Ochre-bellied Hawk-Owl |
| Ninox odiosa | New Britain Hawk Owl | Russet Hawk-Owl |
| Ninox philippensis | Philippine Hawk Owl | Philippine Hawk-Owl |
| Ninox punctulata | Speckled Hawk Owl | Speckled Hawk-Owl |
| Ninox rudolfi | Sumba Boobook Owl | Sumba Boobook |
| Ninox rufa | Rufous Hawk Owl | Rufous Owl |
| Ninox scutulata | Brown Hawk Owl | Brown Hawk-Owl |
| Ninox squamipila | Moluccan Hawk Owl | Moluccan Hawk-Owl |
| Ninox strenua | Powerful Owl | Powerful Owl |
| Ninox superciliaris | Madagascar Hawk Owl | White-browed Hawk-Owl |
| Ninox theomacha | Jungle Hawk Owl | Jungle Hawk-Owl |
| Ninox variegata | Bismarck Hawk Owl | Bismarck Hawk-Owl |
| Nipponia nippon | Japanese Crested Ibis | Crested Ibis |
| Nonnula amaurocephala | Chestnut-headed Nunlet | Chestnut-headed Nunlet |
| Nonnula brunnea | Brown Nunlet | Brown Nunlet |
| Nonnula rubecula | Rusty-breasted Nunlet | Rusty-breasted Nunlet |
| Nonnula ruficapilla | Grey-cheeked Nunlet | Rufous-capped Nunlet |
| Nonnula sclateri | Fulvous-chinned Nunlet | Fulvous-chinned Nunlet |
| Notharchus macrorhynchos | White-necked Puffbird | White-necked Puffbird |
| Notharchus ordii | Brown-banded Puffbird | Brown-banded Puffbird |
| Notharchus pectoralis | Black-breasted Puffbird | Black-breasted Puffbird |
| Notharchus tectus | Pied Puffbird | Pied Puffbird |
| Nothocercus bonapartei | Highland Tinamou | Highland Tinamou |
| Nothocercus julius | Tawny-breasted Tinamou | Tawny-breasted Tinamou |
| Nothocercus nigrocapillus | Hooded Tinamou | Hooded Tinamou |
| Nothocrax urumutum | Nocturnal Curassow | Nocturnal Curassow |
| Nothoprocta cinerascens | Brushland Tinamou | Brushland Tinamou |
| Nothoprocta curvirostris | Curve-billed Tinamou | Curve-billed Tinamou |
| Nothoprocta kalinowskii | Kalinowski's Tinamou | Kalinowski's Tinamou |
| Nothoprocta ornata | Ornate Tinamou | Ornate Tinamou |
| Nothoprocta pentlandii | Andean Tinamou | Andean Tinamou |
| Nothoprocta perdicaria | Chilian Tinamou | Chilean Tinamou |
| Nothoprocta taczanowskii | Taczanowski's Tinamou | Taczanowski's Tinamou |
| Nothura boraquira | White-bellied Nothura | White-bellied Nothura |
| Nothura darwinii | Darwin's Nothura | Darwin's Nothura |
| Nothura maculosa | Spotted Nothura | Spotted Nothura |
| Nothura minor | Lesser Nothura | Lesser Nothura |
| Notiochelidon cyanoleuca | Blue & White Swallow | Blue-and-white Swallow |
| Notiochelidon flavipes | Pale-footed Swallow | Pale-footed Swallow |
| Notiochelidon murina | Brown-bellied Swallow | Brown-bellied Swallow |
| Notiochelidon pileata | Black-capped Swallow | Black-capped Swallow |
| Notiomystis cincta | Stitch-bird | Stitchbird |
| Nucifraga caryocatactes | Spotted Nutcracker | Spotted Nutcracker |
| Nucifraga columbiana | Clark's Nutcracker | Clark's Nutcracker |
| Numenius americanus | Long-billed Curlew | Long-billed Curlew |
| Numenius arquata | Western Curlew | Eurasian Curlew |
| Numenius borealis | Eskimo Curlew | Eskimo Curlew |
| Numenius madagascariensis | Far Eastern Curlew | Far Eastern Curlew |
| Numenius minutus | Little Curlew | Little Curlew |
| Numenius phaeopus | Whimbrel | Whimbrel |
| Numenius tahitiensis | Bristle-thighed Curlew | Bristle-thighed Curlew |
| Numenius tenuirostris | Slender-billed Curlew | Slender-billed Curlew |
| Numida meleagris | Helmeted Guineafowl | Helmeted Guineafowl |
| Nyctea scandiaca | Snowy Owl | Snowy Owl |
| Nyctibius aethereus | Long-tailed Potoo | Long-tailed Potoo |
| Nyctibius bracteatus | Rufous Potoo | Rufous Potoo |
| Nyctibius grandis | Great Potoo | Great Potoo |
| Nyctibius griseus | Common Potoo | Grey Potoo |
| Nyctibius leucopterus | White-winged Potoo | White-winged Potoo |
| Nyctibius maculosus | Andean Potoo | Andean Potoo |
| Nycticorax caledonicus | Nankeen Night Heron | Rufous Night-Heron |
| Nycticorax nycticorax | Black-crowned Night Heron | Black-crowned Night-Heron |
| Nyctidromus albicollis | Common Pauraque | Pauraque |
| Nyctiphrynus ocellatus | Ocellated Poorwill | Ocellated Poorwill |
| Nyctiprogne leucopyga | Band-tailed Nighthawk | Band-tailed Nighthawk |
| Nyctyornis amictus | Red-bearded Bee Eater | Red-bearded Bee-eater |
| Nyctyornis athertoni | Blue-bearded Bee Eater | Blue-bearded Bee-eater |
| Nymphicus hollandicus | Cockatiel | Cockatiel |
| Nystalus chacuru | White-eared Puffbird | White-eared Puffbird |
| Nystalus maculatus | Spot-backed Puffbird | Spot-backed Puffbird |
| Nystalus radiatus | Barred Puffbird | Barred Puffbird |
| Nystalus striolatus | Striolated Puffbird | Striolated Puffbird |
| Oceanites gracilis | Elliot's Storm Petrel | White-vented Storm-Petrel |
| Oceanites oceanicus | Wilson's Storm Petrel | Wilson's Storm-Petrel |
| Oceanodroma castro | Madeiran Storm Petrel | Band-rumped Storm-Petrel |
| Oceanodroma furcata | Fork-tailed Storm Petrel | Fork-tailed Storm-Petrel |
| Oceanodroma homochroa | Ashy Storm Petrel | Ashy Storm-Petrel |
| Oceanodroma hornbyi | Ringed Storm Petrel | Ringed Storm-Petrel |
| Oceanodroma leucorhoa | Leach's Storm Petrel | Leach's Storm-Petrel |
| Oceanodroma markhami | Sooty Storm Petrel | Markham's Storm-Petrel |
| Oceanodroma matsudairae | Matsudaira's Storm Petrel | Matsudaira's Storm-Petrel |
| Oceanodroma melania | Black Storm Petrel | Black Storm-Petrel |
| Oceanodroma monorhis | Swinhoe's Storm Petrel | Swinhoe's Storm-Petrel |
| Oceanodroma tethys | Galapagos Storm Petrel | Wedge-rumped Storm-Petrel |
| Oceanodroma tristrami | Tristram's Storm Petrel | Tristram's Storm-Petrel |
| Ochthoeca cinnamomeiventris | Slaty-backed Chat Tyrant | Slaty-backed Chat-Tyrant |
| Ochthoeca fumicolor | Brown-backed Chat Tyrant | Brown-backed Chat-Tyrant |
| Ochthoeca leucophrys | White-browed Chat Tyrant | White-browed Chat-Tyrant |
| Ochthoeca oenanthoides | D'Orbigny's Chat Tyrant | D'Orbigny's Chat-Tyrant |
| Ochthoeca piurae | Piura Chat Tyrant | Piura Chat-Tyrant |
| Ochthoeca rufipectoralis | Rufous-breasted Chat Tyrant | Rufous-breasted Chat-Tyrant |
| Ochthoeca salvini | Tumbes Tyrant | Tumbes Tyrant |
| Ocreatus underwoodii | Booted Racket-tail | Booted Racket-tail |
| Oculocincta squamifrons | Pygmy White-eye | Pygmy White-eye |
| Odontophorus atrifrons | Black-fronted Wood Quail | Black-fronted Wood-Quail |
| Odontophorus balliviani | Stripe-faced Wood Quail | Stripe-faced Wood-Quail |
| Odontophorus capueira | Spot-winged Wood Quail | Spot-winged Wood-Quail |
| Odontophorus dialeucos | Tacarcuna Wood Quail | Tacarcuna Wood-Quail |
| Odontophorus erythrops | Rufous-fronted Wood Quail | Rufous-fronted Wood-Quail |
| Odontophorus gujanensis | Marbled Wood Quail | Marbled Wood-Quail |
| Odontophorus guttatus | Spotted Wood Quail | Spotted Wood-Quail |
| Odontophorus hyperythrus | Chestnut Wood Quail | Chestnut Wood-Quail |
| Odontophorus leucolaemus | White-throated Wood Quail | Black-breasted Wood-Quail |
| Odontophorus melanonotus | Black-backed Wood Quail | Dark-backed Wood-Quail |
| Odontophorus speciosus | Rufous-breasted Wood Quail | Rufous-breasted Wood-Quail |
| Odontophorus stellatus | Starred Wood Quail | Starred Wood-Quail |
| Odontophorus strophium | Gorgeted Wood Quail | Gorgeted Wood-Quail |
| Odontorchilus branickii | Grey-mantled Wren | Grey-mantled Wren |
| Odontorchilus cinereus | Tooth-billed Wren | Tooth-billed Wren |
| Oedistoma pygmaeum | Pygmy Honeyeater | Pygmy Longbill |
| Oena capensis | Namaqua Dove | Namaqua Dove |
| Oenanthe alboniger | Hume's Wheatear | Hume's Wheatear |
| Oenanthe bottae | Red-breasted Wheatear | Botta's Wheatear |
| Oenanthe cypriaca | Cyprus Wheatear | Cyprus Wheatear |
| Oenanthe deserti | Desert Wheatear | Desert Wheatear |
| Oenanthe finschii | Finsch's Wheatear | Finsch's Wheatear |
| Oenanthe hispanica | Black-eared Wheatear | Black-eared Wheatear |
| Oenanthe isabellina | Isabelline Wheatear | Isabelline Wheatear |
| Oenanthe leucopyga | White-crowned Black Wheatear | White-tailed Wheatear |
| Oenanthe leucura | Black Wheatear | Black Wheatear |
| Oenanthe lugens | Mourning Wheatear | Mourning Wheatear |
| Oenanthe lugentoides | South Arabian Wheatear | Arabian Wheatear |
| Oenanthe moesta | Red-rumped Wheatear | Red-rumped Wheatear |
| Oenanthe monacha | Hooded Wheatear | Hooded Wheatear |
| Oenanthe monticola | Mountain Wheatear | Mountain Wheatear |
| Oenanthe oenanthe | Northern Wheatear | Northern Wheatear |
| Oenanthe phillipsi | Somali Wheatear | Somali Wheatear |
| Oenanthe picata | Variable Wheatear | Variable Wheatear |
| Oenanthe pileata | Capped Wheatear | Capped Wheatear |
| Oenanthe pleschanka | Pied Wheatear | Pied Wheatear |
| Oenanthe xanthoprymna | Red-tailed Wheatear | Rufous-tailed Wheatear |
| Ognorhynchus icterotis | Yellow-eared Conure | Yellow-eared Parrot |
| Oncostoma cinereigulare | Northern Bentbill | Northern Bentbill |
| Oncostoma olivaceum | Southern Bentbill | Southern Bentbill |
| Onychognathus albirostris | White-billed Starling | White-billed Starling |
| Onychognathus blythii | Somali Chestnut-winged Starling | Somali Starling |
| Onychognathus frater | Socotra Chestnut-winged Starling | Socotra Starling |
| Onychognathus fulgidus | Chestnut-winged Starling | Chestnut-winged Starling |
| Onychognathus morio | African Red-winged Starling | Red-winged Starling |
| Onychognathus nabouroup | Pale-winged Starling | Pale-winged Starling |
| Onychognathus salvadorii | Bristle-crowned Starling | Bristle-crowned Starling |
| Onychognathus tenuirostris | Slender-billed Red-winged Starling | Slender-billed Starling |
| Onychognathus tristramii | Tristram's Starling | Tristram's Starling |
| Onychognathus walleri | Waller's Red-winged Starling | Waller's Starling |
| Onychorhynchus coronatus | Royal Flycatcher | Royal Flycatcher |
| Ophrysia superciliosa | Himalayan Mountain Quail | Himalayan Quail |
| Opisthocomus hoazin | Hoatzin | Hoatzin |
| Opisthoprora euryptera | Mountain Avocetbill | Mountain Avocetbill |
| Orchesticus abeillei | Brown Tanager | Brown Tanager |
| Oreocharis arfaki | Tit Berrypecker | Tit Berrypecker |
| Oreoica gutturalis | Crested Bellbird | Crested Bellbird |
| Oreomanes fraseri | Giant Conebill | Giant Conebill |
| Oreomystis bairdi | Kauai Creeper | Kauai Creeper |
| Oreomystis mana | Hawaii Creeper | Hawaii Creeper |
| Oreonympha nobilis | Bearded Mountaineer | Bearded Mountaineer |
| Oreophasis derbianus | Horned Guan | Horned Guan |
| Oreopsar bolivianus | Bolivian Blackbird | Bolivian Blackbird |
| Oreopsittacus arfaki | Whiskered Lorikeet | Plum-faced Lorikeet |
| Oreornis chrysogenys | Orange-cheeked Honeyeater | Orange-cheeked Honeyeater |
| Oreoscoptes montanus | Sage Thrasher | Sage Thrasher |
| Oreostruthus fuliginosus | Crimson-sided Mountain Finch | Mountain Firetail |
| Oreothraupis arremonops | Tanager Finch | Tanager Finch |
| Oreotrochilus adela | Wedge-tailed Hillstar | Wedge-tailed Hillstar |
| Oreotrochilus estella | Andean Hillstar | Andean Hillstar |
| Oreotrochilus leucopleurus | White-sided Hillstar | White-sided Hillstar |
| Oreotrochilus melanogaster | Black-breasted Hillstar | Black-breasted Hillstar |
| Origma solitaria | Rock Warbler | Origma |
| Oriolia bernieri | Bernier's Vanga | Bernier's Vanga |
| Oriolus albiloris | White-lored Oriole | White-lored Oriole |
| Oriolus auratus | African Golden Oriole | African Golden-Oriole |
| Oriolus bouroensis | Black-eared Oriole | Black-eared Oriole |
| Oriolus brachyrhynchus | Western Black-headed Oriole | Western Black-headed Oriole |
| Oriolus chinensis | Black-naped Oriole | Black-naped Oriole |
| Oriolus chlorocephalus | Green-headed Oriole | Green-headed Oriole |
| Oriolus crassirostris | Sao Thome Oriole | Sao Tome Oriole |
| Oriolus cruentus | Crimson-breasted Oriole | Black-and-crimson Oriole |
| Oriolus flavocinctus | Australian Yellow Oriole | Green Oriole |
| Oriolus forsteni | Grey-collared Oriole | Grey-collared Oriole |
| Oriolus hosii | Black Oriole | Black Oriole |
| Oriolus isabellae | Isabella Oriole | Isabela Oriole |
| Oriolus larvatus | African Black-headed Oriole | African Black-headed Oriole |
| Oriolus melanotis | Olive Brown Oriole | Olive-brown Oriole |
| Oriolus mellianus | Stresemann's Maroon Oriole | Silver Oriole |
| Oriolus monacha | Dark-headed Oriole | Dark-headed Oriole |
| Oriolus nigripennis | Black-winged Oriole | Black-winged Oriole |
| Oriolus oriolus | Golden Oriole | Eurasian Golden-Oriole |
| Oriolus percivali | Montane Oriole | Black-tailed Oriole |
| Oriolus phaeochromus | Dusky Brown Oriole | Dusky-brown Oriole |
| Oriolus sagittatus | Olive-backed Oriole | Olive-backed Oriole |
| Oriolus szalayi | Brown Oriole | Brown Oriole |
| Oriolus traillii | Maroon Oriole | Maroon Oriole |
| Oriolus xanthonotus | Dark-throated Oriole | Dark-throated Oriole |
| Oriolus xanthornus | Asian Black-headed Oriole | Black-hooded Oriole |
| Oriturus superciliosus | Striped Sparrow | Striped Sparrow |
| Ornithion brunneicapillum | Brown-capped Tyrannulet | Brown-capped Tyrannulet |
| Ornithion inerme | White-lored Tyrannulet | White-lored Tyrannulet |
| Ornithion semiflavum | Yellow-bellied Tyrannulet | Yellow-bellied Tyrannulet |
| Ortalis canicollis | Chaco Chachalaca | Chaco Chachalaca |
| Ortalis cinereiceps | Grey-headed Chachalaca | Grey-headed Chachalaca |
| Ortalis erythroptera | Rufous-headed Chachalaca | Rufous-headed Chachalaca |
| Ortalis garrula | Chestnut-winged Chachalaca | Chestnut-winged Chachalaca |
| Ortalis leucogastra | White-bellied Chachalaca | White-bellied Chachalaca |
| Ortalis motmot | Variable Chachalaca | Little Chachalaca |
| Ortalis poliocephala | West Mexican Chachalaca | West Mexican Chachalaca |
| Ortalis ruficauda | Rufous-vented Chachalaca | Rufous-vented Chachalaca |
| Ortalis vetula | Plain Chachalaca | Plain Chachalaca |
| Ortalis wagleri | Rufous-bellied Chachalaca | Rufous-bellied Chachalaca |
| Orthogonys chloricterus | Olive-green Tanager | Olive-green Tanager |
| Orthonyx spaldingii | Spalding's Logrunner | Chowchilla |
| Orthonyx temminckii | Spine-tailed Logrunner | Logrunner |
| Orthorhyncus cristatus | Antillean Crested Hummingbird | Antillean Crested Hummingbird |
| Orthotomus atrogularis | Black-necked Tailor Bird | Dark-necked Tailorbird |
| Orthotomus cinereiceps | White-eared Tailor Bird | White-eared Tailorbird |
| Orthotomus cuculatus | Mountain Tailor Bird | Mountain Tailorbird |
| Orthotomus derbianus | Luzon Tailor Bird | Grey-backed Tailorbird |
| Orthotomus metopias | Red-capped Forest Warbler | African Tailorbird |
| Orthotomus moreaui | Long-billed Forest Warbler | Long-billed Tailorbird |
| Orthotomus nigriceps | Black-headed Tailor Bird | Black-headed Tailorbird |
| Orthotomus ruficeps | Grey Tailor Bird | Ashy Tailorbird |
| Orthotomus samarensis | Samar Tailor Bird | Yellow-breasted Tailorbird |
| Orthotomus sepium | Ashy Tailor Bird | Olive-backed Tailorbird |
| Orthotomus sericeus | Red-headed Tailor Bird | Rufous-tailed Tailorbird |
| Orthotomus sutorius | Long-tailed Tailor Bird | Common Tailorbird |
| Ortygospiza atricollis | African Quailfinch | African Quailfinch |
| Ortygospiza gabonensis | Red-billed Quailfinch | Red-billed Quailfinch |
| Ortygospiza locustella | Locust Finch | Locustfinch |
| Ortyxelos meiffrenii | Quail Plover | Lark Buttonquail |
| Oryzoborus angolensis | Lesser Seed Finch | Lesser Seed-Finch |
| Oryzoborus atrirostris | Black-billed Seed Finch | Black-billed Seed-Finch |
| Oryzoborus crassirostris | Large-billed Seed Finch | Large-billed Seed-Finch |
| Oryzoborus maximiliani | Great-billed Seed Finch | Great-billed Seed-Finch |
| Oryzoborus nuttingi | Nicaraguan Seed Finch | Nicaraguan Seed-Finch |
| Otidiphaps nobilis | Pheasant Pigeon | Pheasant Pigeon |
| Otis tarda | Great Bustard | Great Bustard |
| Otus albogularis | White-throated Screech Owl | White-throated Screech-Owl |
| Otus angelinae | Javan Scops Owl | Javan Scops-Owl |
| Otus asio | Eastern Screech Owl | Eastern Screech-Owl |
| Otus atricapillus | Black-capped Screech Owl | Variable Screech-Owl |
| Otus bakkamoena | Indian Scops Owl | Collared Scops-Owl |
| Otus balli | Andaman Scops Owl | Andaman Scops-Owl |
| Otus barbarus | Bearded Screech Owl | Santa Barbara Screech-Owl |
| Otus brookii | Rajah Scops Owl | Rajah Scops-Owl |
| Otus brucei | Pallid Scops Owl | Pallid Scops-Owl |
| Otus choliba | Tropical Screech Owl | Tropical Screech-Owl |
| Otus clarkii | Bare-shanked Screech Owl | Bare-shanked Screech-Owl |
| Otus elegans | Riukiu Scops Owl | Elegant Scops-Owl |
| Otus flammeolus | Flammulated Owl | Flammulated Owl |
| Otus fuliginosus | Palawan Scops Owl | Palawan Scops-Owl |
| Otus hartlaubi | Sao Thome Scops Owl | Sao Tome Scops-Owl |
| Otus icterorhynchus | Cinnamon Scops Owl | Sandy Scops-Owl |
| Otus ingens | Rufescent Screech Owl | Rufescent Screech-Owl |
| Otus ireneae | Sokoke Scops Owl | Sokoke Scops-Owl |
| Otus koepckeae | Maria Koepcke's Screech Owl | Koepcke's Screech-Owl |
| Otus lawrencii | Cuban Screech Owl | Bare-legged Owl |
| Otus leucotis | White-faced Scops Owl | White-faced Scops-Owl |
| Otus longicornis | Luzon Scops Owl | Luzon Scops-Owl |
| Otus magicus | Moluccan Scops Owl | Moluccan Scops-Owl |
| Otus manadensis | Sulawesi Scops Owl | Sulawesi Scops-Owl |
| Otus mantananensis | South Philippines Scops Owl | Mantanani Scops-Owl |
| Otus marshalli | Cloud-forest Screech Owl | Cloud-forest Screech-Owl |
| Otus megalotis | Philippine Scops Owl | Philippine Scops-Owl |
| Otus mentawi | Sipora Scops Owl | Mentawai Scops-Owl |
| Otus mindorensis | Mindoro Scops Owl | Mindoro Scops-Owl |
| Otus mirus | Mindanao Scops Owl | Mindanao Scops-Owl |
| Otus nudipes | Puerto Rico Screech Owl | Puerto Rican Screech-Owl |
| Otus podarginus | Palau Scops Owl | Palau Owl |
| Otus roboratus | Peruvian Screech Owl | West Peruvian Screech-Owl |
| Otus rufescens | Rufous Scops Owl | Reddish Scops-Owl |
| Otus rutilus | Madagascar Scops Owl | Malagasy Scops-Owl |
| Otus sagittatus | White-fronted Scops Owl | White-fronted Scops-Owl |
| Otus sanctaecatarinae | Long-tufted Screech Owl | Long-tufted Screech-Owl |
| Otus scops | Eurasian Scops Owl | Common Scops-Owl |
| Otus silvicola | Wallace's Scops Owl | Wallace's Scops-Owl |
| Otus spilocephalus | Spotted Scops Owl | Mountain Scops-Owl |
| Otus trichopsis | Whiskered Screech Owl | Whiskered Screech-Owl |
| Otus umbra | Simalur Scops Owl | Simeulue Scops-Owl |
| Otus watsonii | Tawny-bellied Screech Owl | Tawny-bellied Screech-Owl |
| Oxylabes madagascariensis | White-throated Oxylabes | White-throated Oxylabes |
| Oxylophus jacobinus | Black & White Cuckoo | Pied Cuckoo |
| Oxylophus levaillantii | Levaillant's Cuckoo | Levaillant's Cuckoo |
| Oxypogon guerinii | Bearded Helmetcrest | Bearded Helmetcrest |
| Oxyruncus cristatus | Sharpbill | Sharpbill |
| Oxyura australis | Australian Blue-billed Duck | Blue-billed Duck |
| Oxyura dominica | Masked Duck | Masked Duck |
| Oxyura jamaicensis | Ruddy Duck | Ruddy Duck |
| Oxyura leucocephala | White-headed Duck | White-headed Duck |
| Oxyura maccoa | Maccoa Duck | Maccoa Duck |
| Oxyura vittata | Argentine Lake Duck | Lake Duck |
| Pachycare flavogrisea | Golden-faced Pachycare | Goldenface |
| Pachycephala albiventris | Green-backed Whistler | Green-backed Whistler |
| Pachycephala arctitorquis | Wallacean Whistler | Wallacean Whistler |
| Pachycephala aurea | Yellow-backed Whistler | Golden-backed Whistler |
| Pachycephala caledonica | New Caledonian Whistler | New Caledonian Whistler |
| Pachycephala flavifrons | Yellow-fronted Whistler | Samoan Whistler |
| Pachycephala griseonota | Drab Whistler | Drab Whistler |
| Pachycephala grisola | Mangrove Whistler | Mangrove Whistler |
| Pachycephala homeyeri | White-vented Whistler | White-vented Whistler |
| Pachycephala hyperythra | Rufous-breasted Whistler | Rusty Whistler |
| Pachycephala hypoxantha | Bornean Mountain Whistler | Bornean Whistler |
| Pachycephala implicata | Mountain Whistler | Hooded Whistler |
| Pachycephala inornata | Gilbert Whistler | Gilbert's Whistler |
| Pachycephala jacquinoti | Tonga Whistler | Tongan Whistler |
| Pachycephala lanioides | White-breasted Whistler | White-breasted Whistler |
| Pachycephala leucogastra | White-bellied Whistler | White-bellied Whistler |
| Pachycephala lorentzi | Lorentz's Whistler | Lorentz's Whistler |
| Pachycephala melanura | Mangrove Golden Whistler | Black-tailed Whistler |
| Pachycephala meyeri | Vogelkop Whistler | Vogelkop Whistler |
| Pachycephala modesta | Brown-backed Whistler | Brown-backed Whistler |
| Pachycephala monacha | Aru Whistler | Black-headed Whistler |
| Pachycephala nudigula | Bare-throated Whistler | Bare-throated Whistler |
| Pachycephala olivacea | Olive Whistler | Olive Whistler |
| Pachycephala orpheus | Fawn-breasted Whistler | Fawn-breasted Whistler |
| Pachycephala pectoralis | Golden Whistler | Golden Whistler |
| Pachycephala philippinensis | Yellow-bellied Whistler | Yellow-bellied Whistler |
| Pachycephala rufiventris | Rufous Whistler | Rufous Whistler |
| Pachycephala rufogularis | Red-lored Whistler | Red-lored Whistler |
| Pachycephala schlegelii | Schlegel's Whistler | Regent Whistler |
| Pachycephala simplex | Grey Whistler | Brown Whistler |
| Pachycephala soror | Sclater's Whistler | Sclater's Whistler |
| Pachycephala sulfuriventer | Sulphur-vented Whistler | Sulphur-bellied Whistler |
| Pachycephalopsis hattamensis | Green Thicket Flycatcher | Green-backed Robin |
| Pachycephalopsis poliosoma | White-throated Thicket Flycatcher | White-eyed Robin |
| Pachycoccyx audeberti | Thick-billed Cuckoo | Thick-billed Cuckoo |
| Pachyptila belcheri | Slender-billed Prion | Slender-billed Prion |
| Pachyptila crassirostris | Thick-billed Prion | Fulmar Prion |
| Pachyptila desolata | Dove Prion | Antarctic Prion |
| Pachyptila salvini | Salvin's Prion | Medium-billed Prion |
| Pachyptila turtur | Fairy Prion | Fairy Prion |
| Pachyptila vittata | Broad-billed Prion | Broad-billed Prion |
| Pachyramphus aglaiae | Rose-throated Becard | Rose-throated Becard |
| Pachyramphus albogriseus | Black & White Becard | Black-and-white Becard |
| Pachyramphus castaneus | Chestnut-crowned Becard | Chestnut-crowned Becard |
| Pachyramphus cinnamomeus | Cinnamon Becard | Cinnamon Becard |
| Pachyramphus homochrous | One-coloured Becard | One-colored Becard |
| Pachyramphus major | Grey-collared Becard | Grey-collared Becard |
| Pachyramphus marginatus | Black-capped Becard | Black-capped Becard |
| Pachyramphus minor | Pink-throated Becard | Pink-throated Becard |
| Pachyramphus niger | Jamaican Becard | Jamaican Becard |
| Pachyramphus polychopterus | White-winged Becard | White-winged Becard |
| Pachyramphus rufus | Cinereous Becard | Cinereous Becard |
| Pachyramphus spodiurus | Slaty Becard | Slaty Becard |
| Pachyramphus surinamus | Glossy-backed Becard | Glossy-backed Becard |
| Pachyramphus validus | Plain Becard | Crested Becard |
| Pachyramphus versicolor | Barred Becard | Barred Becard |
| Pachyramphus viridis | Green-backed Becard | Green-backed Becard |
| Padda fuscata | Timor Dusky Sparrow | Timor Sparrow |
| Padda oryzivora | Java Sparrow | Java Sparrow |
| Pagodroma nivea | Snow Petrel | Snow Petrel |
| Pagophila eburnea | Ivory Gull | Ivory Gull |
| Palmeria dolei | Crested Honeycreeper | Akohekohe |
| Pandion haliaetus | Osprey | Osprey |
| Panterpe insignis | Fiery-throated Hummingbird | Fiery-throated Hummingbird |
| Panurus biarmicus | Bearded Reedling | Bearded Parrotbill |
| Panyptila cayennensis | Lesser Swallow-tailed Swift | Lesser Swallow-tailed Swift |
| Panyptila sanctihieronymi | Great Swallow-tailed Swift | Great Swallow-tailed Swift |
| Papasula abbotti | Abbott's Booby | Abbott's Booby |
| Parabuteo unicinctus | Harris' Hawk | Harris's Hawk |
| Paradigalla brevicauda | Short-tailed Paradigalla | Short-tailed Paradigalla |
| Paradigalla carunculata | Long-tailed Paradigalla | Long-tailed Paradigalla |
| Paradisaea apoda | Greater Bird of Paradise | Greater Bird-of-paradise |
| Paradisaea decora | Goldie's Bird of Paradise | Goldie's Bird-of-paradise |
| Paradisaea guilielmi | Emperor of Germany Bird of Paradise | Emperor Bird-of-paradise |
| Paradisaea minor | Lesser Bird of Paradise | Lesser Bird-of-paradise |
| Paradisaea raggiana | Raggiana Bird of Paradise | Raggiana Bird-of-paradise |
| Paradisaea rubra | Red Bird of Paradise | Red Bird-of-paradise |
| Paradisaea rudolphi | Blue Bird of Paradise | Blue Bird-of-paradise |
| Paradoxornis alphonsianus | Ashy-throated Parrotbill | Ashy-throated Parrotbill |
| Paradoxornis atrosuperciliaris | Lesser Red-headed Parrotbill | Black-browed Parrotbill |
| Paradoxornis conspicillatus | Spectacled Parrotbill | Spectacled Parrotbill |
| Paradoxornis davidianus | David's Parrotbill | Short-tailed Parrotbill |
| Paradoxornis flavirostris | Gould's Parrotbill | Black-breasted Parrotbill |
| Paradoxornis fulvifrons | Fulvous-fronted Parrotbill | Fulvous Parrotbill |
| Paradoxornis gularis | Grey-headed Parrotbill | Grey-headed Parrotbill |
| Paradoxornis guttaticollis | Spot-breasted Parrotbill | Spot-breasted Parrotbill |
| Paradoxornis heudei | Heude's Parrotbill | Reed Parrotbill |
| Paradoxornis nipalensis | Blyth's Parrotbill | Black-throated Parrotbill |
| Paradoxornis paradoxus | Three-toed Parrotbill | Three-toed Parrotbill |
| Paradoxornis przewalskii | Grey-crowned Parrotbill | Rusty-throated Parrotbill |
| Paradoxornis ruficeps | Greater Red-headed Parrotbill | Rufous-headed Parrotbill |
| Paradoxornis unicolor | Brown Parrotbill | Brown Parrotbill |
| Paradoxornis webbianus | Vinous-throated Parrotbill | Vinous-throated Parrotbill |
| Paradoxornis zappeyi | Zappey's Parrotbill | Grey-hooded Parrotbill |
| Paramythia montium | Crested Berrypecker | Crested Berrypecker |
| Pardalotus punctatus | Spotted Pardalote | Spotted Pardalote |
| Pardalotus quadragintus | Forty-spotted Pardalote | Forty-spotted Pardalote |
| Pardalotus rubricatus | Red-browed Pardalote | Red-browed Pardalote |
| Pardalotus striatus | Yellow-tipped Pardalote | Striated Pardalote |
| Parmoptila woodhousei | Flowerpecker Weaver Finch | Woodhouse's Antpecker |
| Paroaria baeri | Crimson-fronted Cardinal | Crimson-fronted Cardinal |
| Paroaria capitata | Yellow-billed Cardinal | Yellow-billed Cardinal |
| Paroaria coronata | Red-crested Cardinal | Red-crested Cardinal |
| Paroaria dominicana | Red-cowled Cardinal | Red-cowled Cardinal |
| Paroaria gularis | Red-capped Cardinal | Red-capped Cardinal |
| Parophasma galinieri | Abyssinian Catbird | Abyssinian Catbird |
| Paroreomyza flammea | Molokai Creeper | Molokai Creeper |
| Paroreomyza maculata | Oahu Creeper | Oahu Creeper |
| Paroreomyza montana | Maui Creeper | Maui Creeper |
| Parotia carolae | Queen Carola's Parotia | Carola's Parotia |
| Parotia lawesii | Lawes' Parotia | Lawes's Parotia |
| Parotia sefilata | Arfak Parotia | Western Parotia |
| Parotia wahnesi | Wahnes' Parotia | Wahnes's Parotia |
| Parula americana | Parula Warbler | Northern Parula |
| Parula pitiayumi | Olive-backed Warbler | Tropical Parula |
| Parus afer | Southern Grey Tit | Grey Tit |
| Parus albiventris | White-breasted Tit | White-bellied Tit |
| Parus amabilis | Palawan Tit | Palawan Tit |
| Parus ater | Coal Tit | Coal Tit |
| Parus atricapillus | Black-capped Chickadee | Black-capped Chickadee |
| Parus atricristatus | Black-crested Titmouse | Black-crested Titmouse |
| Parus bicolor | Tufted Titmouse | Tufted Titmouse |
| Parus bokharensis | Turkestan Tit | Turkestan Tit |
| Parus caeruleus | Blue Tit | Blue Tit |
| Parus carolinensis | Carolina Chickadee | Carolina Chickadee |
| Parus cinctus | Siberian Tit | Siberian Tit |
| Parus cinerascens | Acacia Grey Tit | Ashy Tit |
| Parus cristatus | Crested Tit | Crested Tit |
| Parus cyanus | Azure Tit | Azure Tit |
| Parus davidi | Pere David's Tit | Rusty-breasted Tit |
| Parus dichrous | Brown Crested Tit | Grey-crested Tit |
| Parus elegans | Elegant Tit | Elegant Tit |
| Parus fasciiventer | Stripe-breasted Tit | Stripe-breasted Tit |
| Parus fringillinus | Red-throated Tit | Red-throated Tit |
| Parus funereus | Dusky Tit | Dusky Tit |
| Parus gambeli | Mountain Chickadee | Mountain Chickadee |
| Parus griseiventris | Miombo Grey Tit | Miombo Tit |
| Parus holsti | Formosan Yellow Tit | Yellow Tit |
| Parus hudsonicus | Boreal Chickadee | Boreal Chickadee |
| Parus inornatus | Plain Titmouse | Plain Titmouse |
| Parus leucomelas | White-winged Black Tit | White-winged Tit |
| Parus leuconotus | White-backed Black Tit | White-backed Tit |
| Parus lugubris | Sombre Tit | Sombre Tit |
| Parus major | Great Tit | Great Tit |
| Parus melanolophus | Vigors' Crested Tit | Black-crested Tit |
| Parus montanus | Willow Tit | Willow Tit |
| Parus monticolus | Green-backed Tit | Green-backed Tit |
| Parus niger | Southern Black Tit | Black Tit |
| Parus nuchalis | White-naped Tit | White-naped Tit |
| Parus palustris | Marsh Tit | Marsh Tit |
| Parus rubidiventris | Black-crested Tit | Rufous-vented Tit |
| Parus rufescens | Chestnut-backed Chickadee | Chestnut-backed Chickadee |
| Parus rufiventris | Rufous-bellied Tit | Rufous-bellied Tit |
| Parus rufonuchalis | Rufous-naped Tit | Dark-grey Tit |
| Parus sclateri | Mexican Chickadee | Mexican Chickadee |
| Parus semilarvatus | White-fronted Tit | White-fronted Tit |
| Parus spilonotus | Chinese Yellow Tit | Yellow-cheeked Tit |
| Parus superciliosus | White-browed Tit | White-browed Tit |
| Parus thruppi | Somali Tit | Somali Tit |
| Parus varius | Varied Tit | Varied Tit |
| Parus venustulus | Yellow-bellied Tit | Yellow-bellied Tit |
| Parus wollweberi | Bridled Titmouse | Bridled Titmouse |
| Parus xanthogenys | Black-spotted Yellow Tit | Black-lored Tit |
| Passer ammodendri | Saxaul Sparrow | Saxaul Sparrow |
| Passer castanopterus | Somali Sparrow | Somali Sparrow |
| Passer domesticus | House Sparrow | House Sparrow |
| Passer flaveolus | Pegu House Sparrow | Plain-backed Sparrow |
| Passer gongonensis | Parrot-billed Sparrow | Parrot-billed Sparrow |
| Passer griseus | Grey-headed Sparrow | Grey-headed Sparrow |
| Passer hispaniolensis | Spanish Sparrow | Spanish Sparrow |
| Passer insularis | Socotra Sparrow | Socotra Sparrow |
| Passer melanurus | Cape Sparrow | Mossie |
| Passer moabiticus | Dead Sea Sparrow | Dead Sea Sparrow |
| Passer montanus | Eurasian Tree Sparrow | Eurasian Tree Sparrow |
| Passer motitensis | Great Sparrow | Southern Rufous-Sparrow |
| Passer pyrrhonotus | Sind Jungle Sparrow | Sind Sparrow |
| Passer rufocinctus | Kenya Rufous Sparrow | Kenya Rufous-Sparrow |
| Passer rutilans | Cinnamon Sparrow | Russet Sparrow |
| Passer simplex | Desert Sparrow | Desert Sparrow |
| Passer suahelicus | Swahili Sparrow | Swahili Sparrow |
| Passer swainsonii | Swainson's Sparrow | Swainson's Sparrow |
| Passerculus sandwichensis | Savannah Sparrow | Savannah Sparrow |
| Passerella iliaca | Fox Sparrow | Fox Sparrow |
| Passerina amoena | Lazuli Bunting | Lazuli Bunting |
| Passerina ciris | Painted Bunting | Painted Bunting |
| Passerina cyanea | Indigo Bunting | Indigo Bunting |
| Passerina leclancherii | Orange-breasted Bunting | Orange-breasted Bunting |
| Passerina rositae | Rose-bellied Bunting | Rose-bellied Bunting |
| Passerina versicolor | Varied Bunting | Varied Bunting |
| Patagona gigas | Giant Hummingbird | Giant Hummingbird |
| Pavo cristatus | Common Peafowl | Indian Peafowl |
| Pavo muticus | Green Peafowl | Green Peafowl |
| Pedionomus torquatus | Plains Wanderer | Plains-wanderer |
| Pelagodroma marina | White-faced Storm Petrel | White-faced Storm-Petrel |
| Pelecanoides garnotii | Peruvian Diving Petrel | Peruvian Diving-Petrel |
| Pelecanoides georgicus | Georgian Diving Petrel | South Georgia Diving-Petrel |
| Pelecanoides magellani | Magellan Diving Petrel | Magellanic Diving-Petrel |
| Pelecanoides urinatrix | Common Diving Petrel | Common Diving-Petrel |
| Pelecanus conspicillatus | Australian Pelican | Australian Pelican |
| Pelecanus crispus | Dalmatian Pelican | Dalmatian Pelican |
| Pelecanus erythrorhynchos | American White Pelican | American White Pelican |
| Pelecanus occidentalis | Brown Pelican | Brown Pelican |
| Pelecanus onocrotalus | Eastern White Pelican | Great White Pelican |
| Pelecanus philippensis | Grey Pelican | Spot-billed Pelican |
| Pelecanus rufescens | Pink-backed Pelican | Pink-backed Pelican |
| Pellorneum albiventre | Plain Brown Babbler | Spot-throated Babbler |
| Pellorneum capistratum | Black-capped Babbler | Black-capped Babbler |
| Pellorneum fuscocapillum | Brown-capped Jungle Babbler | Brown-capped Babbler |
| Pellorneum palustre | Marsh Spotted Babbler | Marsh Babbler |
| Pellorneum pyrrogenys | Temminck's Jungle Babbler | Temminck's Babbler |
| Pellorneum ruficeps | Spotted Babbler | Puff-throated Babbler |
| Pellorneum tickelli | Tickell's Jungle Babbler | Buff-breasted Babbler |
| Peltohyas australis | Australian Courser | Inland Dotterel |
| Peltops blainvillii | Lowland Peltops Flycatcher | Lowland Peltops |
| Peltops montanus | Mountain Peltops Flycatcher | Mountain Peltops |
| Penelope albipennis | White-winged Guan | White-winged Guan |
| Penelope argyrotis | Band-tailed Guan | Band-tailed Guan |
| Penelope barbata | Bearded Guan | Bearded Guan |
| Penelope dabbenei | Red-faced Guan | Red-faced Guan |
| Penelope jacquacu | Spix's Guan | Spix's Guan |
| Penelope jacucaca | White-browed Guan | White-browed Guan |
| Penelope marail | Marail Guan | Marail Guan |
| Penelope montagnii | Andean Guan | Andean Guan |
| Penelope obscura | Dusky-legged Guan | Dusky-legged Guan |
| Penelope ochrogaster | Chestnut-bellied Guan | Chestnut-bellied Guan |
| Penelope ortoni | Baudo Guan | Baudo Guan |
| Penelope perspicax | Cauca Guan | Cauca Guan |
| Penelope pileata | White-crested Guan | White-crested Guan |
| Penelope purpurascens | Crested Guan | Crested Guan |
| Penelope superciliaris | Rusty-margined Guan | Rusty-margined Guan |
| Penelopides exarhatus | Temminck's Hornbill | Sulawesi Hornbill |
| Penelopides panini | Rufous-tailed Hornbill | Tarictic Hornbill |
| Penelopina nigra | Highland Guan | Highland Guan |
| Peneothello bimaculatus | White-rumped Thicket Flycatcher | White-rumped Robin |
| Peneothello cryptoleucus | Grey Thicket Flycatcher | Smoky Robin |
| Peneothello cyanus | Slaty Thicket Flycatcher | Blue-grey Robin |
| Peneothello sigillatus | White-winged Thicket Flycatcher | White-winged Robin |
| Percnostola caurensis | Caura Antbird | Caura Antbird |
| Percnostola leucostigma | Spot-winged Antbird | Spot-winged Antbird |
| Percnostola lophotes | Rufous-crested Antbird | White-lined Antbird |
| Percnostola rufifrons | Black-headed Antbird | Black-headed Antbird |
| Percnostola schistacea | Slate-coloured Antbird | Slate-colored Antbird |
| Perdicula argoondah | Rock Bush Quail | Rock Bush-Quail |
| Perdicula asiatica | Jungle Bush Quail | Jungle Bush-Quail |
| Perdicula erythrorhyncha | Painted Bush Quail | Painted Bush-Quail |
| Perdicula manipurensis | Manipur Bush Quail | Manipur Bush-Quail |
| Perdix hodgsoniae | Tibetan Partridge | Tibetan Partridge |
| Perdix perdix | Grey Partridge | Grey Partridge |
| Pericrocotus brevirostris | Short-billed Minivet | Short-billed Minivet |
| Pericrocotus cinnamomeus | Small Minivet | Small Minivet |
| Pericrocotus divaricatus | Ashy Minivet | Ashy Minivet |
| Pericrocotus erythropygius | Jerdon's Minivet | White-bellied Minivet |
| Pericrocotus ethologus | Long-tailed Minivet | Long-tailed Minivet |
| Pericrocotus flammeus | Scarlet Minivet | Scarlet Minivet |
| Pericrocotus igneus | Fiery Minivet | Fiery Minivet |
| Pericrocotus lansbergei | Flores Minivet | Flores Minivet |
| Pericrocotus miniatus | Sunda Minivet | Sunda Minivet |
| Pericrocotus roseus | Rosy Minivet | Rosy Minivet |
| Pericrocotus solaris | Yellow-throated Minivet | Grey-chinned Minivet |
| Periporphyrus erythromelas | Red & Black Grosbeak | Red-and-black Grosbeak |
| Perisoreus canadensis | Grey Jay | Grey Jay |
| Perisoreus infaustus | Siberian Jay | Siberian Jay |
| Perisoreus internigrans | Szechwan Grey Jay | Sichuan Jay |
| Perissocephalus tricolor | Capuchin Bird | Capuchinbird |
| Pernis apivorus | Western Honey Buzzard | European Honey-buzzard |
| Pernis celebensis | Barred Honey Buzzard | Barred Honey-buzzard |
| Pernis ptilorhyncus | Oriental Honey Buzzard | Oriental Honey-buzzard |
| Petroica archboldi | Rock Robin | Snow Mountain Robin |
| Petroica australis | New Zealand Robin | New Zealand Robin |
| Petroica bivittata | Forest Robin | Alpine Robin |
| Petroica goodenovii | Red-capped Robin | Red-capped Robin |
| Petroica macrocephala | New Zealand Tit | Tomtit |
| Petroica multicolor | Scarlet Robin | Scarlet Robin |
| Petroica phoenicea | Flame Robin | Flame Robin |
| Petroica rodinogaster | Pink Robin | Pink Robin |
| Petroica rosea | Rose Robin | Rose Robin |
| Petroica traversi | Chatham Island Robin | Chatham Islands Robin |
| Petronia dentata | Lesser Rock Sparrow | Bush Petronia |
| Petronia petronia | Streaked Rock Sparrow | Rock Sparrow |
| Petronia superciliaris | South African Rock Sparrow | Yellow-throated Petronia |
| Petrophassa albipennis | White-quilled Rock Pigeon | White-quilled Rock-Pigeon |
| Petrophassa rufipennis | Chestnut-quilled Rock Pigeon | Chestnut-quilled Rock-Pigeon |
| Peucedramus taeniatus | Olive Warbler | Olive Warbler |
| Pezopetes capitalis | Big-footed Sparrow | Large-footed Finch |
| Pezoporus wallicus | Ground Parrot | Ground Parrot |
| Phacellodomus dorsalis | Chestnut-backed Thornbird | Chestnut-backed Thornbird |
| Phacellodomus erythrophthalmus | Red-eyed Thornbird | Red-eyed Thornbird |
| Phacellodomus ruber | Greater Thornbird | Greater Thornbird |
| Phacellodomus rufifrons | Rufous-fronted Thornbird | Rufous-fronted Thornbird |
| Phacellodomus sibilatrix | Little Thornbird | Little Thornbird |
| Phacellodomus striaticeps | Streak-fronted Thornbird | Streak-fronted Thornbird |
| Phacellodomus striaticollis | Freckle-breasted Thornbird | Freckle-breasted Thornbird |
| Phaenicophaeus pyrrhocephalus | Red-faced Malcoha | Red-faced Malkoha |
| Phaenicophilus palmarum | Black-crowned Palm Tanager | Black-crowned Palm-Tanager |
| Phaenicophilus poliocephalus | Grey-crowned Palm Tanager | Grey-crowned Palm-Tanager |
| Phaenostictus mcleannani | Ocellated Antbird | Ocellated Antbird |
| Phaeochroa cuvierii | Scaly-breasted Hummingbird | Scaly-breasted Hummingbird |
| Phaeoprogne tapera | Brown-chested Martin | Brown-chested Martin |
| Phaethon aethereus | Red-billed Tropic Bird | Red-billed Tropicbird |
| Phaethon lepturus | White-tailed Tropic Bird | White-tailed Tropicbird |
| Phaethon rubricauda | Red-tailed Tropic Bird | Red-tailed Tropicbird |
| Phaethornis anthophilus | Pale-bellied Hermit | Pale-bellied Hermit |
| Phaethornis augusti | Sooty-capped Hermit | Sooty-capped Hermit |
| Phaethornis bourcieri | Straight-billed Hermit | Straight-billed Hermit |
| Phaethornis eurynome | Scale-throated Hermit | Scale-throated Hermit |
| Phaethornis gounellei | Broad-tipped Hermit | Broad-tipped Hermit |
| Phaethornis griseogularis | Grey-chinned Hermit | Grey-chinned Hermit |
| Phaethornis guy | Green Hermit | Green Hermit |
| Phaethornis idaliae | Minute Hermit | Minute Hermit |
| Phaethornis koepckeae | Koepcke's Hermit | Koepcke's Hermit |
| Phaethornis longuemareus | Little Hermit | Little Hermit |
| Phaethornis malaris | Great-billed Hermit | Great-billed Hermit |
| Phaethornis nattereri | Cinnamon-throated Hermit | Cinnamon-throated Hermit |
| Phaethornis philippii | Needle-billed Hermit | Needle-billed Hermit |
| Phaethornis pretrei | Planalto Hermit | Planalto Hermit |
| Phaethornis ruber | Reddish Hermit | Reddish Hermit |
| Phaethornis squalidus | Dusky-throated Hermit | Dusky-throated Hermit |
| Phaethornis stuarti | White-browed Hermit | White-browed Hermit |
| Phaethornis subochraceus | Buff-bellied Hermit | Buff-bellied Hermit |
| Phaethornis superciliosus | Long-tailed Hermit | Long-tailed Hermit |
| Phaethornis syrmatophorus | Tawny-bellied Hermit | Tawny-bellied Hermit |
| Phaethornis yaruqui | White-whiskered Hermit | White-whiskered Hermit |
| Phaetusa simplex | Large-billed Tern | Large-billed Tern |
| Phainopepla nitens | Phainopepla | Phainopepla |
| Phainoptila melanoxantha | Black & Yellow Silky Flycatcher | Black-and-yellow Silky-flycatcher |
| Phalacrocorax africanus | Reed Cormorant | Long-tailed Cormorant |
| Phalacrocorax aristotelis | Shag | European Shag |
| Phalacrocorax atriceps | Imperial Shag | Imperial Shag |
| Phalacrocorax auritus | Double-crested Cormorant | Double-crested Cormorant |
| Phalacrocorax campbelli | Campbell Islands Cormorant | Campbell Island Shag |
| Phalacrocorax capensis | Cape Cormorant | Cape Cormorant |
| Phalacrocorax capillatus | Japanese Cormorant | Japanese Cormorant |
| Phalacrocorax carbo | Great Cormorant | Great Cormorant |
| Phalacrocorax carunculatus | Rough-faced Cormorant | Rough-faced Shag |
| Phalacrocorax coronatus | Crowned Cormorant | Crowned Cormorant |
| Phalacrocorax featherstoni | Chatham Islands Cormorant | Pitt Island Shag |
| Phalacrocorax fuscescens | Black-faced Cormorant | Black-faced Cormorant |
| Phalacrocorax fuscicollis | Indian Cormorant | Indian Cormorant |
| Phalacrocorax gaimardi | Red-legged Cormorant | Red-legged Cormorant |
| Phalacrocorax georgianus | South Georgia Cormorant | South Georgia Shag |
| Phalacrocorax magellanicus | Magellan Cormorant | Rock Shag |
| Phalacrocorax melanoleucos | Little Pied Cormorant | Little Pied Cormorant |
| Phalacrocorax neglectus | Bank Cormorant | Bank Cormorant |
| Phalacrocorax niger | Javanese Cormorant | Little Cormorant |
| Phalacrocorax nigrogularis | Socotra Cormorant | Socotra Cormorant |
| Phalacrocorax pelagicus | Pelagic Cormorant | Pelagic Cormorant |
| Phalacrocorax penicillatus | Brandt's Cormorant | Brandt's Cormorant |
| Phalacrocorax punctatus | Spotted Cormorant | Spotted Shag |
| Phalacrocorax pygmeus | Pygmy Cormorant | Pygmy Cormorant |
| Phalacrocorax sulcirostris | Little Black Cormorant | Little Black Cormorant |
| Phalacrocorax urile | Red-faced Cormorant | Red-faced Cormorant |
| Phalacrocorax varius | Pied Cormorant | Pied Cormorant |
| Phalacrocorax verrucosus | Kerguelen Cormorant | Kerguelen Shag |
| Phalaenoptilus nuttallii | Common Poorwill | Common Poorwill |
| Phalaropus lobatus | Red-necked Phalarope | Red-necked Phalarope |
| Phalcoboenus albogularis | White-throated Caracara | White-throated Caracara |
| Phalcoboenus australis | Forster's Caracara | Striated Caracara |
| Phalcoboenus carunculatus | Carunculated Caracara | Carunculated Caracara |
| Phalcoboenus megalopterus | Mountain Caracara | Mountain Caracara |
| Phapitreron amethystina | Greater Brown Fruit Dove | Amethyst Brown-Dove |
| Phapitreron leucotis | Lesser Brown Fruit Dove | White-eared Brown-Dove |
| Phaps chalcoptera | Common Bronzewing | Common Bronzewing |
| Phaps elegans | Brush Bronzewing | Brush Bronzewing |
| Phaps histrionica | Flock Pigeon | Flock Bronzewing |
| Pharomachrus antisianus | Crested Quetzal | Crested Quetzal |
| Pharomachrus auriceps | Golden-headed Quetzal | Golden-headed Quetzal |
| Pharomachrus fulgidus | White-tipped Quetzal | White-tipped Quetzal |
| Pharomachrus mocinno | Resplendent Quetzal | Resplendent Quetzal |
| Pharomachrus pavoninus | Pavonine Quetzal | Pavonine Quetzal |
| Phasianus colchicus | Common Pheasant | Common Pheasant |
| Phedina borbonica | Mascarene Martin | Mascarene Martin |
| Phedina brazzae | Brazza's Martin | Brazza's Martin |
| Phegornis mitchellii | Mitchell's Plover | Diademed Sandpiper-Plover |
| Phelpsia inornata | White-bearded Flycatcher | White-bearded Flycatcher |
| Pheucticus aureoventris | Black-backed Grosbeak | Black-backed Grosbeak |
| Pheucticus chrysogaster | Yellow-bellied Grosbeak | Golden-bellied Grosbeak |
| Pheucticus chrysopeplus | Yellow Grosbeak | Yellow Grosbeak |
| Pheucticus ludovicianus | Rose-breasted Grosbeak | Rose-breasted Grosbeak |
| Pheucticus melanocephalus | Black-headed Grosbeak | Black-headed Grosbeak |
| Pheucticus tibialis | Black-thighed Grosbeak | Black-thighed Grosbeak |
| Phibalura flavirostris | Swallow-tailed Cotinga | Swallow-tailed Cotinga |
| Phigys solitarius | Collared Lory | Collared Lory |
| Philemon albitorques | White-naped Friarbird | White-naped Friarbird |
| Philemon argenticeps | Silver-crowned Friarbird | Silver-crowned Friarbird |
| Philemon brassi | Brass's Friarbird | Brass's Friarbird |
| Philemon buceroides | Timor Helmeted Friarbird | Helmeted Friarbird |
| Philemon citreogularis | Little Friarbird | Little Friarbird |
| Philemon cockerelli | New Britain Friarbird | New Britain Friarbird |
| Philemon corniculatus | Noisy Friarbird | Noisy Friarbird |
| Philemon diemenensis | New Caledonian Friarbird | New Caledonian Friarbird |
| Philemon eichhorni | New Ireland Friarbird | New Ireland Friarbird |
| Philemon fuscicapillus | Dusky Friarbird | Dusky Friarbird |
| Philemon inornatus | Plain Friarbird | Plain Friarbird |
| Philemon meyeri | Meyer's Friarbird | Meyer's Friarbird |
| Philemon moluccensis | Moluccas Friarbird | Black-faced Friarbird |
| Philemon novaeguineae | New Guinea Friarbird | New Guinea Friarbird |
| Philemon subcorniculatus | Grey-necked Friarbird | Grey-necked Friarbird |
| Philentoma pyrhopterum | Chestnut-winged Monarch | Rufous-winged Philentoma |
| Philentoma velatum | Maroon-breasted Monarch | Maroon-breasted Philentoma |
| Philepitta castanea | Velvet Asity | Velvet Asity |
| Philepitta schlegeli | Schlegel's Asity | Schlegel's Asity |
| Philetairus socius | Sociable Weaver | Sociable Weaver |
| Philodice bryantae | Magenta-throated Woodstar | Magenta-throated Woodstar |
| Philodice mitchellii | Purple-throated Woodstar | Purple-throated Woodstar |
| Philohydor lictor | Lesser Kiskadee | Lesser Kiskadee |
| Philomachus pugnax | Ruff | Ruff |
| Philortyx fasciatus | Banded Quail | Banded Quail |
| Philydor amaurotis | White-browed Foliage-gleaner | White-browed Foliage-gleaner |
| Philydor atricapillus | Black-capped Foliage-gleaner | Black-capped Foliage-gleaner |
| Philydor dimidiatus | Russet-mantled Foliage-gleaner | Russet-mantled Foliage-gleaner |
| Philydor erythrocercus | Rufous-rumped Foliage-gleaner | Rufous-rumped Foliage-gleaner |
| Philydor erythropterus | Chestnut-winged Foliage-gleaner | Chestnut-winged Foliage-gleaner |
| Philydor lichtensteini | Lichtenstein's Foliage-gleaner | Ochre-breasted Foliage-gleaner |
| Philydor novaesi | Alagoas Foliage-gleaner | Alagoas Foliage-gleaner |
| Philydor pyrrhodes | Cinnamon-rumped Foliage-gleaner | Cinnamon-rumped Foliage-gleaner |
| Philydor ruficaudatus | Rufous-tailed Foliage-gleaner | Rufous-tailed Foliage-gleaner |
| Philydor rufus | Buff-fronted Foliage-gleaner | Buff-fronted Foliage-gleaner |
| Phimosus infuscatus | Bare-faced Ibis | Whispering Ibis |
| Phlegopsis barringeri | Argus Bare-eye | Argus Bare-eye |
| Phlegopsis erythroptera | Reddish-winged Bare-eye | Reddish-winged Bare-eye |
| Phlegopsis nigromaculata | Black-spotted Bare-eye | Black-spotted Bare-eye |
| Phleocryptes melanops | Wren-like Rushbird | Wren-like Rushbird |
| Phlogophilus harterti | Peruvian Piedtail | Peruvian Piedtail |
| Phlogophilus hemileucurus | Ecuadorian Piedtail | Ecuadorian Piedtail |
| Phodilus badius | Bay Owl | Oriental Bay-Owl |
| Phodilus prigoginei | Tanzanian Bay Owl | Congo Bay-Owl |
| Phoebetria fusca | Sooty Albatross | Sooty Albatross |
| Phoebetria palpebrata | Light-mantled Sooty Albatross | Light-mantled Albatross |
| Phoenicopterus chilensis | Chilean Flamingo | Chilean Flamingo |
| Phoenicopterus ruber | Greater Flamingo | Greater Flamingo |
| Phoeniculus bollei | White-headed Wood Hoopoe | White-headed Woodhoopoe |
| Phoeniculus castaneiceps | Forest Wood Hoopoe | Forest Woodhoopoe |
| Phoeniculus damarensis | Violet Wood Hoopoe | Violet Woodhoopoe |
| Phoeniculus purpureus | Green Wood Hoopoe | Green Woodhoopoe |
| Phoeniculus somaliensis | Black-billed Wood Hoopoe | Black-billed Woodhoopoe |
| Phoenicurus alaschanicus | Przewalski's Redstart | Ala Shan Redstart |
| Phoenicurus auroreus | Daurian Redstart | Daurian Redstart |
| Phoenicurus caeruleocephalus | Blue-headed Redstart | Blue-capped Redstart |
| Phoenicurus erythrogaster | Guldenstadt's Redstart | White-winged Redstart |
| Phoenicurus frontalis | Blue-fronted Redstart | Blue-fronted Redstart |
| Phoenicurus hodgsoni | Hodgson's Redstart | Hodgson's Redstart |
| Phoenicurus moussieri | Moussier's Redstart | Moussier's Redstart |
| Phoenicurus ochruros | Black Redstart | Black Redstart |
| Phoenicurus phoenicurus | Common Redstart | Common Redstart |
| Phoenicurus schisticeps | White-throated Redstart | White-throated Redstart |
| Pholidornis rushiae | Tit-Hylia | Tit-hylia |
| Phrygilus alaudinus | Band-tailed Sierra Finch | Band-tailed Sierra-Finch |
| Phrygilus atriceps | Black-hooded Sierra Finch | Black-hooded Sierra-Finch |
| Phrygilus carbonarius | Carbonated Sierra Finch | Carbonated Sierra-Finch |
| Phrygilus dorsalis | Red-backed Sierra Finch | Red-backed Sierra-Finch |
| Phrygilus erythronotus | White-throated Sierra Finch | White-throated Sierra-Finch |
| Phrygilus fruticeti | Mourning Sierra Finch | Mourning Sierra-Finch |
| Phrygilus gayi | Grey-hooded Sierra Finch | Grey-hooded Sierra-Finch |
| Phrygilus patagonicus | Patagonian Sierra Finch | Patagonian Sierra-Finch |
| Phrygilus plebejus | Ash-breasted Sierra Finch | Ash-breasted Sierra-Finch |
| Phrygilus punensis | Peruvian Sierra Finch | Peruvian Sierra-Finch |
| Phrygilus unicolor | Plumbeous Sierra Finch | Plumbeous Sierra-Finch |
| Phylidonyris albifrons | White-fronted Honeyeater | White-fronted Honeyeater |
| Phylidonyris nigra | White-cheeked Honeyeater | White-cheeked Honeyeater |
| Phylidonyris notabilis | White-bellied Honeyeater | New Hebrides Honeyeater |
| Phylidonyris novaehollandiae | Yellow-winged Honeyeater | New Holland Honeyeater |
| Phylidonyris pyrrhoptera | Crescent Honeyeater | Crescent Honeyeater |
| Phylidonyris undulata | Barred Honeyeater | Barred Honeyeater |
| Phyllanthus atripennis | Capuchin Babbler | Capuchin Babbler |
| Phyllastrephus albigularis | White-throated Greenbul | White-throated Greenbul |
| Phyllastrephus apperti | Appert's Tetraka | Appert's Greenbul |
| Phyllastrephus baumanni | Baumann's Olive Greenbul | Baumann's Olive-Greenbul |
| Phyllastrephus cabanisi | Cabanis' Greenbul | Cabanis's Greenbul |
| Phyllastrephus cerviniventris | Grey Olive Greenbul | Grey-olive Greenbul |
| Phyllastrephus cinereiceps | Grey-crowned Greenbul | Grey-crowned Greenbul |
| Phyllastrephus debilis | Tiny Greenbul | Tiny Greenbul |
| Phyllastrephus fischeri | Fischer's Greenbul | Fischer's Greenbul |
| Phyllastrephus flavostriatus | Yellow-streaked Greenbul | Yellow-streaked Greenbul |
| Phyllastrephus fulviventris | Pale Olive Greenbul | Pale-olive Greenbul |
| Phyllastrephus hypochloris | Toro Olive Greenbul | Toro Olive-Greenbul |
| Phyllastrephus icterinus | Icterine Greenbul | Icterine Greenbul |
| Phyllastrephus leucolepis | Liberian Greenbul | Liberian Greenbul |
| Phyllastrephus lorenzi | Sassi's Olive Greenbul | Sassi's Greenbul |
| Phyllastrephus madagascariensis | Madagascar Tetraka | Long-billed Greenbul |
| Phyllastrephus placidus | Olive Mountain Greenbul | Placid Greenbul |
| Phyllastrephus poensis | Cameroun Olive Greenbul | Cameroon Olive-Greenbul |
| Phyllastrephus poliocephalus | Grey-headed Greenbul | Grey-headed Greenbul |
| Phyllastrephus scandens | Leaf-Love | Leaf-love |
| Phyllastrephus strepitans | Northern Brownbul | Northern Brownbul |
| Phyllastrephus tenebrosus | Dusky Tetraka | Dusky Greenbul |
| Phyllastrephus terrestris | Terrestrial Brownbul | Terrestrial Brownbul |
| Phyllastrephus xavieri | Xavier's Greenbul | Xavier's Greenbul |
| Phyllastrephus zosterops | Short-billed Tetraka | Spectacled Greenbul |
| Phyllolais pulchella | Buff-bellied Warbler | Buff-bellied Warbler |
| Phyllomyias burmeisteri | Rough-legged Tyrannulet | Rough-legged Tyrannulet |
| Phyllomyias cinereiceps | Ashy-headed Tyrannulet | Ashy-headed Tyrannulet |
| Phyllomyias fasciatus | Planalto Tyrannulet | Planalto Tyrannulet |
| Phyllomyias griseiceps | Sooty-headed Tyrannulet | Sooty-headed Tyrannulet |
| Phyllomyias griseocapilla | Grey-capped Tyrannulet | Grey-capped Tyrannulet |
| Phyllomyias nigrocapillus | Black-capped Tyrannulet | Black-capped Tyrannulet |
| Phyllomyias plumbeiceps | Plumbeous-crowned Tyrannulet | Plumbeous-crowned Tyrannulet |
| Phyllomyias reiseri | Reiser's Tyrannulet | Reiser's Tyrannulet |
| Phyllomyias sclateri | Sclater's Tyrannulet | Sclater's Tyrannulet |
| Phyllomyias uropygialis | Tawny-rumped Tyrannulet | Tawny-rumped Tyrannulet |
| Phyllomyias virescens | Greenish Tyrannulet | Greenish Tyrannulet |
| Phylloscartes ceciliae | Long-tailed Tyrannulet | Alagoas Tyrannulet |
| Phylloscartes chapmani | Chapman's Tyrannulet | Chapman's Tyrannulet |
| Phylloscartes difficilis | Ihering's Tyrannulet | Serra do Mar Tyrannulet |
| Phylloscartes eximius | Southern Bristle Tyrant | Southern Bristle-Tyrant |
| Phylloscartes flaviventris | Yellow-bellied Bristle Tyrant | Rufous-lored Tyrannulet |
| Phylloscartes flavovirens | Yellow-green Tyrannulet | Yellow-green Tyrannulet |
| Phylloscartes gualaquizae | Ecuadorian Tyrannulet | Ecuadorian Tyrannulet |
| Phylloscartes lanyoni | Antioquia Bristle Tyrant | Antioquia Bristle-Tyrant |
| Phylloscartes nigrifrons | Black-fronted Tyrannulet | Black-fronted Tyrannulet |
| Phylloscartes ophthalmicus | Marble-faced Bristle Tyrant | Marble-faced Bristle-Tyrant |
| Phylloscartes orbitalis | Spectacled Bristle Tyrant | Spectacled Bristle-Tyrant |
| Phylloscartes oustaleti | Oustalet's Tyrannulet | Oustalet's Tyrannulet |
| Phylloscartes paulistus | Sao Paulo Tyrannulet | Sao Paulo Tyrannulet |
| Phylloscartes poecilotis | Variegated Bristle Tyrant | Variegated Bristle-Tyrant |
| Phylloscartes roquettei | Minas Geraes Tyrannulet | Minas Gerais Tyrannulet |
| Phylloscartes superciliaris | Rufous-browed Tyrannulet | Rufous-browed Tyrannulet |
| Phylloscartes sylviolus | Bay-ringed Tyrannulet | Bay-ringed Tyrannulet |
| Phylloscartes venezuelanus | Venezuelan Bristle Tyrant | Venezuelan Bristle-Tyrant |
| Phylloscartes ventralis | Mottle-cheeked Tyrannulet | Mottle-cheeked Tyrannulet |
| Phylloscartes virescens | Olive-green Tyrannulet | Olive-green Tyrannulet |
| Phylloscopus affinis | Tickell's Willow Warbler | Tickell's Leaf-Warbler |
| Phylloscopus amoenus | Kulambangra Warbler | Sombre Leaf-Warbler |
| Phylloscopus armandii | Milne-Edwards' Willow Warbler | Yellow-streaked Warbler |
| Phylloscopus bonelli | Bonelli's Warbler | Bonelli's Warbler |
| Phylloscopus borealis | Arctic Warbler | Arctic Warbler |
| Phylloscopus borealoides | Japanese Pale-legged Willow Warbler | Sakhalin Leaf-Warbler |
| Phylloscopus budongoensis | Uganda Woodland Warbler | Uganda Woodland-Warbler |
| Phylloscopus cantator | Yellow-faced Leaf Warbler | Yellow-vented Warbler |
| Phylloscopus cebuensis | Dubois' Leaf Warbler | Lemon-throated Leaf-Warbler |
| Phylloscopus chloronotus | Pale-rumped Warbler | Pale-rumped Warbler |
| Phylloscopus coronatus | Temminck's Crowned Willow Warbler | Eastern Crowned-Warbler |
| Phylloscopus davisoni | White-tailed Willow Warbler | White-tailed Leaf-Warbler |
| Phylloscopus fuligiventer | Smoky Warbler | Smoky Warbler |
| Phylloscopus fuscatus | Dusky Warbler | Dusky Warbler |
| Phylloscopus griseolus | Sulphur-bellied Willow Warbler | Sulphur-bellied Warbler |
| Phylloscopus herberti | Black-capped Woodland Warbler | Black-capped Woodland-Warbler |
| Phylloscopus ijimae | Ijima's Willow Warbler | Ijima's Leaf-Warbler |
| Phylloscopus inornatus | Yellow-browed Warbler | Inornate Warbler |
| Phylloscopus laetus | Red-faced Woodland Warbler | Red-faced Woodland-Warbler |
| Phylloscopus laurae | Mrs Boulton's Woodland Warbler | Laura's Woodland-Warbler |
| Phylloscopus lorenzii | Caucasian Chiffchaff | Caucasian Chiffchaff |
| Phylloscopus maculipennis | Grey-faced Willow Warbler | Ashy-throated Warbler |
| Phylloscopus magnirostris | Large-billed Willow Warbler | Large-billed Leaf-Warbler |
| Phylloscopus makirensis | San Cristobal Leaf Warbler | San Cristobal Leaf-Warbler |
| Phylloscopus neglectus | Plain Willow Warbler | Plain Leaf-Warbler |
| Phylloscopus occipitalis | Large Crowned Willow Warbler | Western Crowned-Warbler |
| Phylloscopus olivaceus | Philippine Leaf Warbler | Philippine Leaf-Warbler |
| Phylloscopus poliocephalus | Island Leaf Warbler | Island Leaf-Warbler |
| Phylloscopus presbytes | Timor Leaf Warbler | Timor Leaf-Warbler |
| Phylloscopus proregulus | Pallas' Leaf Warbler | Lemon-rumped Warbler |
| Phylloscopus pulcher | Orange-barred Willow Warbler | Buff-barred Warbler |
| Phylloscopus reguloides | Blyth's Crowned Willow Warbler | Blyth's Leaf-Warbler |
| Phylloscopus ricketti | Black-browed Leaf Warbler | Sulphur-breasted Warbler |
| Phylloscopus sarasinorum | Sulawesi Leaf Warbler | Sulawesi Leaf-Warbler |
| Phylloscopus schwarzi | Radde's Bush Warbler | Radde's Warbler |
| Phylloscopus sibilatrix | Wood Warbler | Wood Warbler |
| Phylloscopus subviridis | Brooks's Willow Warbler | Brooks's Leaf-Warbler |
| Phylloscopus tenellipes | Pale-legged Willow Warbler | Pale-legged Leaf-Warbler |
| Phylloscopus trivirgatus | Mountain Leaf Warbler | Mountain Leaf-Warbler |
| Phylloscopus trochiloides | Greenish Warbler | Greenish Warbler |
| Phylloscopus trochilus | Willow Warbler | Willow Warbler |
| Phylloscopus tytleri | Tytler's Willow Warbler | Tytler's Leaf-Warbler |
| Phylloscopus umbrovirens | Brown Woodland Warbler | Brown Woodland-Warbler |
| Phytotoma raimondii | Peruvian Plantcutter | Peruvian Plantcutter |
| Phytotoma rara | Chilean Plantcutter | Rufous-tailed Plantcutter |
| Phytotoma rutila | Red-breasted Plantcutter | White-tipped Plantcutter |
| Piaya cayana | Squirrel Cuckoo | Squirrel Cuckoo |
| Piaya melanogaster | Black-bellied Cuckoo | Black-bellied Cuckoo |
| Piaya minuta | Little Cuckoo | Little Cuckoo |
| Pica nuttalli | Yellow-billed Magpie | Yellow-billed Magpie |
| Pica pica | Black-billed Magpie | Black-billed Magpie |
| Picathartes gymnocephalus | White-necked Bald Crow | White-necked Rockfowl |
| Picathartes oreas | Grey-necked Bald Crow | Grey-necked Rockfowl |
| Picoides albolarvatus | White-headed Woodpecker | White-headed Woodpecker |
| Picoides arcticus | Black-backed Woodpecker | Black-backed Woodpecker |
| Picoides borealis | Red-cockaded Woodpecker | Red-cockaded Woodpecker |
| Picoides lignarius | Striped Woodpecker | Striped Woodpecker |
| Picoides mixtus | Checkered Woodpecker | Checkered Woodpecker |
| Picoides nuttallii | Nuttall's Woodpecker | Nuttall's Woodpecker |
| Picoides pubescens | Downy Woodpecker | Downy Woodpecker |
| Picoides scalaris | Ladder-backed Woodpecker | Ladder-backed Woodpecker |
| Picoides stricklandi | Strickland's Woodpecker | Strickland's Woodpecker |
| Picoides tridactylus | Three-toed Woodpecker | Three-toed Woodpecker |
| Picoides villosus | Hairy Woodpecker | Hairy Woodpecker |
| Piculus auricularis | Grey-crowned Woodpecker | Grey-crowned Woodpecker |
| Piculus aurulentus | White-browed Woodpecker | Yellow-browed Woodpecker |
| Piculus chrysochloros | Golden-green Woodpecker | Golden-green Woodpecker |
| Piculus flavigula | Yellow-throated Woodpecker | Yellow-throated Woodpecker |
| Piculus leucolaemus | White-throated Woodpecker | White-throated Woodpecker |
| Piculus rivolii | Crimson-mantled Woodpecker | Crimson-mantled Woodpecker |
| Piculus rubiginosus | Golden-olive Woodpecker | Golden-olive Woodpecker |
| Picumnus albosquamatus | White-wedged Piculet | White-wedged Piculet |
| Picumnus aurifrons | Bar-breasted Piculet | Bar-breasted Piculet |
| Picumnus castelnau | Plain-breasted Piculet | Plain-breasted Piculet |
| Picumnus cinnamomeus | Chestnut Piculet | Chestnut Piculet |
| Picumnus cirratus | White-barred Piculet | White-barred Piculet |
| Picumnus exilis | Golden-spangled Piculet | Golden-spangled Piculet |
| Picumnus fulvescens | Tawny Piculet | Tawny Piculet |
| Picumnus fuscus | Rusty-necked Piculet | Rusty-necked Piculet |
| Picumnus granadensis | Greyish Piculet | Greyish Piculet |
| Picumnus innominatus | Speckled Piculet | Speckled Piculet |
| Picumnus lafresnayi | Lafresnaye's Piculet | Lafresnaye's Piculet |
| Picumnus limae | Ochraceous Piculet | Ochraceous Piculet |
| Picumnus minutissimus | Guianan Piculet | Guianan Piculet |
| Picumnus nebulosus | Mottled Piculet | Mottled Piculet |
| Picumnus olivaceus | Olivaceous Piculet | Olivaceous Piculet |
| Picumnus pygmaeus | Spotted Piculet | Spotted Piculet |
| Picumnus rufiventris | Rufous-breasted Piculet | Rufous-breasted Piculet |
| Picumnus sclateri | Ecuadorian Piculet | Ecuadorian Piculet |
| Picumnus spilogaster | White-bellied Piculet | White-bellied Piculet |
| Picumnus squamulatus | Scaled Piculet | Scaled Piculet |
| Picumnus steindachneri | Speckle-chested Piculet | Speckle-chested Piculet |
| Picumnus subtilis | Fine-barred Piculet | Fine-barred Piculet |
| Picumnus varzeae | Varzea Piculet | Varzea Piculet |
| Picus awokera | Wavy-bellied Woodpecker | Japanese Woodpecker |
| Picus canus | Grey-faced Woodpecker | Grey-faced Woodpecker |
| Picus chlorolophus | Lesser Yellow-naped Woodpecker | Lesser Yellownape |
| Picus erythropygius | Black-headed Woodpecker | Black-headed Woodpecker |
| Picus flavinucha | Greater Yellow-naped Woodpecker | Greater Yellownape |
| Picus mentalis | Checker-throated Woodpecker | Checker-throated Woodpecker |
| Picus mineaceus | Banded Red Woodpecker | Banded Woodpecker |
| Picus puniceus | Crimson-winged Woodpecker | Crimson-winged Woodpecker |
| Picus rabieri | Red-collared Woodpecker | Red-collared Woodpecker |
| Picus squamatus | Scaly-bellied Woodpecker | Scaly-bellied Woodpecker |
| Picus vaillantii | Levaillant's Woodpecker | Levaillant's Woodpecker |
| Picus viridis | Green Woodpecker | Eurasian Green Woodpecker |
| Picus vittatus | Laced Woodpecker | Laced Woodpecker |
| Picus xanthopygaeus | Streak-throated Woodpecker | Streak-throated Woodpecker |
| Piezorhina cinerea | Cinereous Finch | Cinereous Finch |
| Pilherodius pileatus | Capped Heron | Capped Heron |
| Pinarocorys erythropygia | Rufous-rumped Lark | Rufous-rumped Lark |
| Pinarocorys nigricans | Dusky Lark | Dusky Lark |
| Pinaroloxias inornata | Cocos Finch | Cocos Island Finch |
| Pinarornis plumosus | Boulder Chat | Boulder Chat |
| Pinicola enucleator | Pine Grosbeak | Pine Grosbeak |
| Pinicola subhimachalus | Red-headed Finch | Crimson-browed Finch |
| Pionites leucogaster | White-bellied Caique | White-bellied Parrot |
| Pionites melanocephala | Black-headed Caique | Black-headed Parrot |
| Pionopsitta barrabandi | Orange-cheeked Parrot | Orange-cheeked Parrot |
| Pionopsitta caica | Caica Parrot | Caica Parrot |
| Pionopsitta haematotis | Brown-hooded Parrot | Brown-hooded Parrot |
| Pionopsitta pileata | Red-capped Parrot | Pileated Parrot |
| Pionopsitta pulchra | Rose-faced Parrot | Rose-faced Parrot |
| Pionopsitta pyrilia | Saffron-headed Parrot | Saffron-headed Parrot |
| Pionus chalcopterus | Bronze-winged Parrot | Bronze-winged Parrot |
| Pionus fuscus | Dusky Parrot | Dusky Parrot |
| Pionus maximiliani | Scaly-headed Parrot | Scaly-headed Parrot |
| Pionus menstruus | Blue-headed Parrot | Blue-headed Parrot |
| Pionus senilis | White-capped Parrot | White-crowned Parrot |
| Pionus sordidus | Red-billed Parrot | Red-billed Parrot |
| Pionus tumultuosus | Plum-crowned Parrot | Speckle-faced Parrot |
| Pipilo aberti | Abert's Towhee | Abert's Towhee |
| Pipilo albicollis | White-throated Towhee | White-throated Towhee |
| Pipilo crissalis | California Towhee | California Towhee |
| Pipilo erythrophthalmus | Rufous-sided Towhee | Rufous-sided Towhee |
| Pipilo fuscus | Canyon Towhee | Canyon Towhee |
| Pipilo ocai | Collared Towhee | Collared Towhee |
| Pipra aureola | Crimson-hooded Manakin | Crimson-hooded Manakin |
| Pipra chloromeros | Round-tailed Manakin | Round-tailed Manakin |
| Pipra coeruleocapilla | Caerulean-capped Manakin | Cerulean-capped Manakin |
| Pipra cornuta | Scarlet-horned Manakin | Scarlet-horned Manakin |
| Pipra coronata | Blue-crowned Manakin | Blue-crowned Manakin |
| Pipra erythrocephala | Golden-headed Manakin | Golden-headed Manakin |
| Pipra fasciicauda | Band-tailed Manakin | Band-tailed Manakin |
| Pipra filicauda | Wire-tailed Manakin | Wire-tailed Manakin |
| Pipra iris | Opal-crowned Manakin | Opal-crowned Manakin |
| Pipra isidorei | Blue-rumped Manakin | Blue-rumped Manakin |
| Pipra mentalis | Red-capped Manakin | Red-capped Manakin |
| Pipra nattereri | Snow-capped Manakin | Snow-capped Manakin |
| Pipra pipra | White-crowned Manakin | White-crowned Manakin |
| Pipra rubrocapilla | Red-headed Manakin | Red-headed Manakin |
| Pipra serena | White-fronted Manakin | White-fronted Manakin |
| Pipra suavissima | Tepui Manakin | Tepui Manakin |
| Pipra vilasboasi | Golden-crowned Manakin | Golden-crowned Manakin |
| Pipraeidea melanonota | Fawn-breasted Tanager | Fawn-breasted Tanager |
| Pipreola arcuata | Barred Fruiteater | Barred Fruiteater |
| Pipreola aureopectus | Golden-breasted Fruiteater | Golden-breasted Fruiteater |
| Pipreola chlorolepidota | Fiery-throated Fruiteater | Fiery-throated Fruiteater |
| Pipreola formosa | Handsome Fruiteater | Handsome Fruiteater |
| Pipreola frontalis | Scarlet-breasted Fruiteater | Scarlet-breasted Fruiteater |
| Pipreola intermedia | Band-tailed Fruiteater | Band-tailed Fruiteater |
| Pipreola riefferii | Green & Black Fruiteater | Green-and-black Fruiteater |
| Pipreola whitelyi | Red-banded Fruiteater | Red-banded Fruiteater |
| Piprites chloris | Wing-barred Manakin | Wing-barred Piprites |
| Piprites griseiceps | Grey-headed Manakin | Grey-headed Piprites |
| Piprites pileatus | Black-capped Manakin | Black-capped Piprites |
| Piranga bidentata | Flame-coloured Tanager | Flame-colored Tanager |
| Piranga erythrocephala | Red-headed Tanager | Red-headed Tanager |
| Piranga flava | Hepatic Tanager | Hepatic Tanager |
| Piranga leucoptera | White-winged Tanager | White-winged Tanager |
| Piranga ludoviciana | Western Tanager | Western Tanager |
| Piranga olivacea | Scarlet Tanager | Scarlet Tanager |
| Piranga roseogularis | Rose-throated Tanager | Rose-throated Tanager |
| Piranga rubra | Summer Tanager | Summer Tanager |
| Piranga rubriceps | Red-hooded Tanager | Red-hooded Tanager |
| Pitangus sulphuratus | Great Kiskadee | Great Kiskadee |
| Pithecophaga jefferyi | Philippine Eagle | Great Philippine Eagle |
| Pithys albifrons | White-faced Antcatcher | White-plumed Antbird |
| Pithys castanea | White-masked Antcatcher | White-masked Antbird |
| Pitohui cristatus | Crested Pitohui | Crested Pitohui |
| Pitohui dichrous | Black-headed Pitohui | Hooded Pitohui |
| Pitohui ferrugineus | Rusty Pitohui | Rusty Pitohui |
| Pitohui incertus | Mottle-breasted Pitohui | White-bellied Pitohui |
| Pitohui kirhocephalus | Variable Pitohui | Variable Pitohui |
| Pitohui nigrescens | Black Pitohui | Black Pitohui |
| Pitta anerythra | Black-faced Pitta | Black-faced Pitta |
| Pitta angolensis | African Pitta | African Pitta |
| Pitta arcuata | Blue-banded Pitta | Blue-banded Pitta |
| Pitta brachyura | Blue-winged Pitta | Indian Pitta |
| Pitta caerulea | Giant Pitta | Giant Pitta |
| Pitta cyanea | Blue Pitta | Blue Pitta |
| Pitta elegans | Elegant Pitta | Elegant Pitta |
| Pitta elliotii | Elliot's Pitta | Bar-bellied Pitta |
| Pitta erythrogaster | Red-breasted Pitta | Red-bellied Pitta |
| Pitta granatina | Garnet Pitta | Garnet Pitta |
| Pitta guajana | Blue-tailed Pitta | Banded Pitta |
| Pitta gurneyi | Gurney's Pitta | Gurney's Pitta |
| Pitta iris | Rainbow Pitta | Rainbow Pitta |
| Pitta kochi | Koch's Pitta | Whiskered Pitta |
| Pitta maxima | Great Pitta | Ivory-breasted Pitta |
| Pitta moluccensis | Moluccan Pitta | Blue-winged Pitta |
| Pitta nipalensis | Blue-naped Pitta | Blue-naped Pitta |
| Pitta nympha | Fairy Pitta | Fairy Pitta |
| Pitta oatesi | Fulvous Pitta | Rusty-naped Pitta |
| Pitta phayrei | Phayre's Pitta | Eared Pitta |
| Pitta reichenowi | Green-breasted Pitta | Green-breasted Pitta |
| Pitta schneideri | Schneider's Pitta | Schneider's Pitta |
| Pitta sordida | Hooded Pitta | Hooded Pitta |
| Pitta soror | Blue-backed Pitta | Blue-rumped Pitta |
| Pitta superba | Superb Pitta | Superb Pitta |
| Pitta venusta | Black-crowned Garnet Pitta | Black-crowned Pitta |
| Pitta versicolor | Noisy Pitta | Noisy Pitta |
| Pittasoma michleri | Black-crowned Antpitta | Black-crowned Antpitta |
| Pittasoma rufopileatum | Rufous-crowned Antpitta | Rufous-crowned Antpitta |
| Pitylus fuliginosus | Black-throated Grosbeak | Black-throated Grosbeak |
| Pitylus grossus | Slate-coloured Grosbeak | Slate-colored Grosbeak |
| Pityriasis gymnocephala | Bornean Bristlehead | Bornean Bristlehead |
| Platalea alba | African Spoonbill | African Spoonbill |
| Platalea flavipes | Yellow-billed Spoonbill | Yellow-billed Spoonbill |
| Platalea leucorodia | White Spoonbill | Eurasian Spoonbill |
| Platalea minor | Black-faced Spoonbill | Black-faced Spoonbill |
| Platalea regia | Royal Spoonbill | Royal Spoonbill |
| Platycercus adscitus | Pale-headed Rosella | Pale-headed Rosella |
| Platycercus caledonicus | Green Rosella | Green Rosella |
| Platycercus elegans | Crimson Rosella | Crimson Rosella |
| Platycercus eximius | Eastern Rosella | Eastern Rosella |
| Platycercus flaveolus | Yellow Rosella | Yellow Rosella |
| Platycercus icterotis | Western Rosella | Western Rosella |
| Platycercus venustus | Northern Rosella | Northern Rosella |
| Platycichla flavipes | Yellow-legged Thrush | Yellow-legged Thrush |
| Platycichla leucops | Pale-eyed Thrush | Pale-eyed Thrush |
| Platylophus galericulatus | Crested Shrike-Jay | Crested Jay |
| Platyrinchus cancrominus | Stub-tailed Spadebill | Stub-tailed Spadebill |
| Platyrinchus coronatus | Golden-crowned Spadebill | Golden-crowned Spadebill |
| Platyrinchus flavigularis | Yellow-throated Spadebill | Yellow-throated Spadebill |
| Platyrinchus leucoryphus | Russet-winged Spadebill | Russet-winged Spadebill |
| Platyrinchus mystaceus | White-throated Spadebill | White-throated Spadebill |
| Platyrinchus platyrhynchos | White-crested Spadebill | White-crested Spadebill |
| Platyrinchus saturatus | Cinnamon-crested Spadebill | Cinnamon-crested Spadebill |
| Platysmurus leucopterus | White-winged Magpie | Black Magpie |
| Platysteira albifrons | White-fronted Wattle-eye | White-fronted Wattle-eye |
| Platysteira blissetti | Red-cheeked Wattle-eye | Red-cheeked Wattle-eye |
| Platysteira castanea | Chestnut Wattle-eye | Chestnut Wattle-eye |
| Platysteira chalybea | Reichenow's Wattle-eye | Black-necked Wattle-eye |
| Platysteira concreta | Yellow-bellied Wattle-eye | Yellow-bellied Wattle-eye |
| Platysteira cyanea | Brown-throated Wattle-eye | Brown-throated Wattle-eye |
| Platysteira jamesoni | Jameson's Wattle-eye | Jameson's Wattle-eye |
| Platysteira laticincta | Bamenda Wattle-eye | Banded Wattle-eye |
| Platysteira peltata | Black-throated Wattle-eye | Black-throated Wattle-eye |
| Platysteira tonsa | White-spotted Wattle-eye | White-spotted Wattle-eye |
| Plectorhyncha lanceolata | Striped Honeyeater | Striped Honeyeater |
| Plectrophenax hyperboreus | McKay's Bunting | McKay's Bunting |
| Plectrophenax nivalis | Snow Bunting | Snow Bunting |
| Plectropterus gambensis | Spur-winged Goose | Spur-winged Goose |
| Plegadis chihi | White-faced Ibis | White-faced Ibis |
| Plegadis falcinellus | Glossy Ibis | Glossy Ibis |
| Plegadis ridgwayi | Puna Ibis | Puna Ibis |
| Plocepasser donaldsoni | Donaldson-Smith's Sparrow Weaver | Donaldson-Smith's Sparrow-Weaver |
| Plocepasser mahali | White-browed Sparrow Weaver | White-browed Sparrow-Weaver |
| Plocepasser rufoscapulatus | Chestnut-mantled Sparrow Weaver | Chestnut-backed Sparrow-Weaver |
| Plocepasser superciliosus | Chestnut-crowned Sparrow Weaver | Chestnut-crowned Sparrow-Weaver |
| Ploceus albinucha | Maxwell's Black Weaver | Maxwell's Black Weaver |
| Ploceus alienus | Strange Weaver | Strange Weaver |
| Ploceus angolensis | Bar-winged Weaver | Bar-winged Weaver |
| Ploceus aurantius | Orange Weaver | Orange Weaver |
| Ploceus aureonucha | Gold-naped Weaver | Golden-naped Weaver |
| Ploceus badius | Cinnamon Weaver | Cinnamon Weaver |
| Ploceus baglafecht | Baglafecht Weaver | Baglafecht Weaver |
| Ploceus bannermani | Bannerman's Weaver | Bannerman's Weaver |
| Ploceus batesi | Bates's Weaver | Bates's Weaver |
| Ploceus benghalensis | Bengal Weaver | Black-breasted Weaver |
| Ploceus bertrandi | Bertrand's Weaver | Bertrand's Weaver |
| Ploceus bicolor | Forest Weaver | Forest Weaver |
| Ploceus bojeri | Golden Palm Weaver | Golden Palm Weaver |
| Ploceus burnieri | Kilombero Weaver | Kilombero Weaver |
| Ploceus capensis | Cape Weaver | Cape Weaver |
| Ploceus castaneiceps | Taveta Golden Weaver | Taveta Golden Weaver |
| Ploceus castanops | Northern Brown-throated Weaver | Northern Brown-throated Weaver |
| Ploceus cucullatus | Village Weaver | Village Weaver |
| Ploceus dicrocephalus | Salvadori's Weaver | Salvadori's Weaver |
| Ploceus dorsomaculatus | Yellow-capped Weaver | Yellow-capped Weaver |
| Ploceus galbula | Ruppell's Weaver | Rueppell's Weaver |
| Ploceus golandi | Clarke's Weaver | Clarke's Weaver |
| Ploceus grandis | Giant Weaver | Giant Weaver |
| Ploceus heuglini | Heuglin's Masked Weaver | Heuglin's Masked-Weaver |
| Ploceus hypoxanthus | Asian Golden Weaver | Asian Golden Weaver |
| Ploceus insignis | Brown-capped Weaver | Brown-capped Weaver |
| Ploceus intermedius | Lesser Masked Weaver | Lesser Masked Weaver |
| Ploceus jacksoni | Eastern Golden-backed Weaver | Golden-backed Weaver |
| Ploceus katangae | Katanga Masked Weaver | Katanga Masked-Weaver |
| Ploceus luteolus | Little Masked Weaver | Little Weaver |
| Ploceus manyar | Streaked Weaver | Streaked Weaver |
| Ploceus megarhynchus | Finn's Weaver | Yellow Weaver |
| Ploceus melanocephalus | Black-headed Weaver | Black-headed Weaver |
| Ploceus melanogaster | Black-billed Weaver | Black-billed Weaver |
| Ploceus nelicourvi | Nelicourvi Weaver | Nelicourvi Weaver |
| Ploceus nicolli | Usambara Weaver | Usambara Weaver |
| Ploceus nigerrimus | Vieillot's Black Weaver | Vieillot's Black Weaver |
| Ploceus nigricollis | Black-necked Weaver | Black-necked Weaver |
| Ploceus nigrimentum | Black-chinned Weaver | Black-chinned Weaver |
| Ploceus ocularis | Spectacled Weaver | Spectacled Weaver |
| Ploceus olivaceiceps | Olive-headed Golden Weaver | Olive-headed Weaver |
| Ploceus pelzelni | Slender-billed Weaver | Slender-billed Weaver |
| Ploceus philippinus | Baya Weaver | Baya Weaver |
| Ploceus preussi | Western Golden-backed Weaver | Preuss's Weaver |
| Ploceus princeps | Principe Golden Weaver | Principe Golden-Weaver |
| Ploceus reichardi | Tanzanian Masked Weaver | Tanzania Masked-Weaver |
| Ploceus rubiginosus | Chestnut Weaver | Chestnut Weaver |
| Ploceus ruweti | Lufira Masked Weaver | Ruwet's Masked-Weaver |
| Ploceus spekei | Speke's Weaver | Speke's Weaver |
| Ploceus spekeoides | Fox's Weaver | Fox's Weaver |
| Ploceus subaureus | Golden Weaver | African Golden-Weaver |
| Ploceus subpersonatus | Loango Slender-billed Weaver | Loango Weaver |
| Ploceus taeniopterus | Northern Masked Weaver | Northern Masked-Weaver |
| Ploceus temporalis | Bocage's Weaver | Bocage's Weaver |
| Ploceus tricolor | Yellow-mantled Weaver | Yellow-mantled Weaver |
| Ploceus velatus | African Masked Weaver | Southern Masked-Weaver |
| Ploceus victoriae | Lake Victoria Weaver | Victoria Masked-Weaver |
| Ploceus vitellinus | Vitelline Masked Weaver | Vitelline Masked-Weaver |
| Ploceus weynsi | Weyns's Weaver | Weyns's Weaver |
| Ploceus xanthops | Holub's Golden Weaver | Holub's Golden-Weaver |
| Ploceus xanthopterus | Brown-throated Golden Weaver | Southern Brown-throated Weaver |
| Pluvialis apricaria | European Golden Plover | Eurasian Golden-Plover |
| Pluvialis dominica | American Golden Plover | American Golden-Plover |
| Pluvialis fulva | Pacific Golden Plover | Pacific Golden-Plover |
| Pluvialis squatarola | Grey Plover | Grey Plover |
| Pluvianellus socialis | Magellanic Plover | Magellanic Plover |
| Pluvianus aegyptius | Egyptian Plover | Crocodile-bird |
| Pnoepyga albiventer | Scaly-breasted Wren Babbler | Scaly-breasted Wren-Babbler |
| Pnoepyga immaculata | Nepal Wren Babbler | Nepal Wren-Babbler |
| Pnoepyga pusilla | Pygmy Wren Babbler | Pygmy Wren-Babbler |
| Podager nacunda | Nacunda Nighthawk | Nacunda Nighthawk |
| Podargus ocellatus | Marbled Frogmouth | Marbled Frogmouth |
| Podargus papuensis | Papuan Frogmouth | Papuan Frogmouth |
| Podargus strigoides | Tawny Frogmouth | Tawny Frogmouth |
| Podica senegalensis | Peters' Finfoot | African Finfoot |
| Podiceps auritus | Slavonian Grebe | Horned Grebe |
| Podiceps cristatus | Great Crested Grebe | Great Crested Grebe |
| Podiceps gallardoi | Hooded Grebe | Hooded Grebe |
| Podiceps grisegena | Red-necked Grebe | Red-necked Grebe |
| Podiceps major | Great Grebe | Great Grebe |
| Podiceps nigricollis | Black-necked Grebe | Black-necked Grebe |
| Podiceps occipitalis | Silvery Grebe | Silvery Grebe |
| Podiceps taczanowskii | Puna Grebe | Puna Grebe |
| Podilymbus gigas | Atitlan Grebe | Atitlan Grebe |
| Podilymbus podiceps | Pied-billed Grebe | Pied-billed Grebe |
| Podoces biddulphi | Biddulph's Ground Jay | Xinjiang Ground-Jay |
| Podoces hendersoni | Henderson's Ground Jay | Mongolian Ground-Jay |
| Podoces panderi | Pander's Ground Jay | Turkestan Ground-Jay |
| Podoces pleskei | Pleske's Ground Jay | Iranian Ground-Jay |
| Poecilodryas albonotata | Black-throated Robin | Black-throated Robin |
| Poecilodryas brachyura | White-breasted Robin | Black-chinned Robin |
| Poecilodryas hypoleuca | Black & White Robin | Black-sided Robin |
| Poecilodryas placens | Olive-yellow Robin | Olive-yellow Robin |
| Poecilodryas superciliosa | White-browed Robin | White-browed Robin |
| Poecilotriccus albifacies | White-cheeked Tody Tyrant | White-cheeked Tody-Tyrant |
| Poecilotriccus ruficeps | Rufous-crowned Tody Tyrant | Rufous-crowned Tody-Tyrant |
| Poeoptera kenricki | Kenrick's Starling | Kenrick's Starling |
| Poeoptera lugubris | Narrow-tailed Starling | Narrow-tailed Starling |
| Poeoptera stuhlmanni | Stuhlmann's Starling | Stuhlmann's Starling |
| Poephila acuticauda | Long-tailed Finch | Long-tailed Finch |
| Poephila cincta | Black-throated Finch | Black-throated Finch |
| Poephila personata | Masked Finch | Masked Finch |
| Pogoniulus atroflavus | Red-rumped Tinkerbird | Red-rumped Tinkerbird |
| Pogoniulus bilineatus | Yellow-rumped Tinkerbird | Yellow-rumped Tinkerbird |
| Pogoniulus chrysoconus | Yellow-fronted Tinkerbird | Yellow-fronted Tinkerbird |
| Pogoniulus coryphaeus | Western Green Tinkerbird | Western Green-Tinkerbird |
| Pogoniulus leucomystax | Moustached Green Tinkerbird | Moustached Green-Tinkerbird |
| Pogoniulus pusillus | Red-fronted Tinkerbird | Red-fronted Tinkerbird |
| Pogoniulus scolopaceus | Speckled Tinkerbird | Speckled Tinkerbird |
| Pogoniulus simplex | Green Tinkerbird | African Green-Tinkerbird |
| Pogoniulus subsulphureus | Yellow-throated Tinkerbird | Yellow-throated Tinkerbird |
| Pogonocichla stellata | White Starred Robin | White-starred Robin |
| Poicephalus crassus | Niam-Niam Parrot | Niam-niam Parrot |
| Poicephalus cryptoxanthus | Brown-headed Parrot | Brown-headed Parrot |
| Poicephalus flavifrons | Yellow-faced Parrot | Yellow-fronted Parrot |
| Poicephalus gulielmi | Red-fronted Parrot | Red-fronted Parrot |
| Poicephalus meyeri | Brown Parrot | Meyer's Parrot |
| Poicephalus robustus | Brown-necked Parrot | Brown-necked Parrot |
| Poicephalus rueppellii | Ruppell's Parrot | Rueppell's Parrot |
| Poicephalus rufiventris | Red-bellied Parrot | Red-bellied Parrot |
| Poicephalus senegalus | Senegal Parrot | Senegal Parrot |
| Polihierax insignis | White-rumped Pygmy Falcon | White-rumped Falcon |
| Polihierax semitorquatus | African Pygmy Falcon | Pygmy Falcon |
| Poliolais lopezi | White-tailed Warbler | White-tailed Warbler |
| Polioptila albiloris | White-lored Gnatcatcher | White-lored Gnatcatcher |
| Polioptila caerulea | Blue-grey Gnatcatcher | Blue-grey Gnatcatcher |
| Polioptila californica | California Gnatcatcher | California Gnatcatcher |
| Polioptila dumicola | Masked Gnatcatcher | Masked Gnatcatcher |
| Polioptila guianensis | Guianan Gnatcatcher | Guianan Gnatcatcher |
| Polioptila lactea | Cream-bellied Gnatcatcher | Creamy-bellied Gnatcatcher |
| Polioptila lembeyei | Cuban Gnatcatcher | Cuban Gnatcatcher |
| Polioptila melanura | Black-tailed Gnatcatcher | Black-tailed Gnatcatcher |
| Polioptila nigriceps | Black-capped Gnatcatcher | Black-capped Gnatcatcher |
| Polioptila plumbea | Tropical Gnatcatcher | Tropical Gnatcatcher |
| Polioptila schistaceigula | Slate-throated Gnatcatcher | Slate-throated Gnatcatcher |
| Polioxolmis rufipennis | Rufous-webbed Bush-Tyrant | Rufous-webbed Bush-Tyrant |
| Polyboroides radiatus | Madagascar Harrier Hawk | Madagascar Harrier-Hawk |
| Polyboroides typus | African Harrier Hawk | African Harrier-Hawk |
| Polyborus plancus | Common Caracara | Crested Caracara |
| Polyonymus caroli | Bronze-tailed Comet | Bronze-tailed Comet |
| Polyplectron bicalcaratum | Burmese Peacock-Pheasant | Grey Peacock-Pheasant |
| Polyplectron chalcurum | Sumatran Peacock-Pheasant | Bronze-tailed Peacock-Pheasant |
| Polyplectron emphanum | Palawan Peacock-Pheasant | Palawan Peacock-Pheasant |
| Polyplectron germaini | Germain's Peacock-Pheasant | Germain's Peacock-Pheasant |
| Polyplectron inopinatum | Rothschild's Peacock-Pheasant | Mountain Peacock-Pheasant |
| Polyplectron malacense | Malay Peacock-Pheasant | Malayan Peacock-Pheasant |
| Polysticta stelleri | Steller's Eider | Steller's Eider |
| Polystictus pectoralis | Bearded Tachuri | Bearded Tachuri |
| Polystictus superciliaris | Grey-backed Tachuri | Grey-backed Tachuri |
| Polytelis alexandrae | Princess Parrot | Alexandra's Parrot |
| Polytelis anthopeplus | Regent Parrot | Regent Parrot |
| Polytelis swainsonii | Superb Parrot | Superb Parrot |
| Polytmus guainumbi | White-tailed Goldenthroat | White-tailed Goldenthroat |
| Polytmus milleri | Tepui Goldenthroat | Tepui Goldenthroat |
| Polytmus theresiae | Green-tailed Goldenthroat | Green-tailed Goldenthroat |
| Pomarea dimidiata | Rarotonga Flycatcher | Rarotonga Monarch |
| Pomarea iphis | Allied Flycatcher | Iphis Monarch |
| Pomarea mendozae | Marquesas Flycatcher | Marquesan Monarch |
| Pomarea nigra | Society Islands Flycatcher | Tahiti Monarch |
| Pomarea whitneyi | Large Flycatcher | Fatuhiva Monarch |
| Pomatorhinus erythrogenys | Rusty-cheeked Scimitar Babbler | Rusty-cheeked Scimitar-Babbler |
| Pomatorhinus ferruginosus | Coral-billed Scimitar Babbler | Coral-billed Scimitar-Babbler |
| Pomatorhinus horsfieldii | Travancore Scimitar Babbler | Indian Scimitar-Babbler |
| Pomatorhinus hypoleucos | Long-billed Scimitar Babbler | Large Scimitar-Babbler |
| Pomatorhinus montanus | Chestnut-backed Scimitar Babbler | Chestnut-backed Scimitar-Babbler |
| Pomatorhinus ochraceiceps | Red-billed Scimitar Babbler | Red-billed Scimitar-Babbler |
| Pomatorhinus ruficollis | Streak-breasted Scimitar Babbler | Streak-breasted Scimitar-Babbler |
| Pomatorhinus schisticeps | Slaty-headed Scimitar Babbler | White-browed Scimitar-Babbler |
| Pomatostomus halli | Hall Babbler | Hall's Babbler |
| Pomatostomus ruficeps | Chestnut-crowned Babbler | Chestnut-crowned Babbler |
| Pomatostomus superciliosus | White-browed Babbler | White-browed Babbler |
| Pomatostomus temporalis | Grey-crowned Babbler | Grey-crowned Babbler |
| Pooecetes gramineus | Vesper Sparrow | Vesper Sparrow |
| Poospiza alticola | Plain-tailed Warbling Finch | Plain-tailed Warbling-Finch |
| Poospiza boliviana | Bolivian Warbling Finch | Bolivian Warbling-Finch |
| Poospiza caesar | Chestnut-breasted Mountain Finch | Chestnut-breasted Mountain-Finch |
| Poospiza erythrophrys | Rusty-browed Warbling Finch | Rusty-browed Warbling-Finch |
| Poospiza hispaniolensis | Collared Warbling Finch | Collared Warbling-Finch |
| Poospiza hypochondria | Rufous-sided Warbling Finch | Rufous-sided Warbling-Finch |
| Poospiza lateralis | Red-rumped Warbling Finch | Red-rumped Warbling-Finch |
| Poospiza melanoleuca | Grey & White Warbling Finch | Black-capped Warbling-Finch |
| Poospiza nigrorufa | Black & Rufous Warbling Finch | Black-and-rufous Warbling-Finch |
| Poospiza ornata | Cinnamon Warbling Finch | Cinnamon Warbling-Finch |
| Poospiza rubecula | Rufous-breasted Warbling Finch | Rufous-breasted Warbling-Finch |
| Poospiza thoracica | Bay-chested Warbling Finch | Bay-chested Warbling-Finch |
| Poospiza torquata | Ringed Warbling Finch | Ringed Warbling-Finch |
| Poospiza whitii | Black & Chestnut Warbling Finch | Black-and-chestnut Warbling-Finch |
| Popelairia conversii | Green Thorntail | Green Thorntail |
| Popelairia langsdorffi | Black-bellied Thorntail | Black-bellied Thorntail |
| Popelairia letitiae | Coppery Thorntail | Coppery Thorntail |
| Popelairia popelairii | Wire-crested Thorntail | Wire-crested Thorntail |
| Porphyrio mantelli | Takahe | Takahe |
| Porphyrio porphyrio | Purple Swamphen | Purple Swamphen |
| Porphyrolaema porphyrolaema | Purple-throated Cotinga | Purple-throated Cotinga |
| Porphyrospiza caerulescens | Blue Finch | Yellow-billed Blue Finch |
| Porzana albicollis | White-throated Crake | Ash-throated Crake |
| Porzana atra | Henderson Island Crake | Henderson Island Crake |
| Porzana carolina | Sora Crake | Sora |
| Porzana cinerea | White-browed Rail | White-browed Crake |
| Porzana flaviventer | Yellow-breasted Crake | Yellow-breasted Crake |
| Porzana fluminea | Australian Spotted Crake | Australian Crake |
| Porzana fusca | Ruddy-breasted Crake | Ruddy-breasted Crake |
| Porzana parva | Little Crake | Little Crake |
| Porzana porzana | Spotted Crake | Spotted Crake |
| Porzana pusilla | Baillon's Crake | Baillon's Crake |
| Porzana spiloptera | Dot-winged Crake | Dot-winged Crake |
| Porzana tabuensis | Sooty Crake | Spotless Crake |
| Prinia atrogularis | White-browed Prinia | Hill Prinia |
| Prinia bairdii | Banded Prinia | Banded Prinia |
| Prinia buchanani | Rufous-fronted Prinia | Rufous-fronted Prinia |
| Prinia burnesii | Long-tailed Prinia | Rufous-vented Prinia |
| Prinia cinereocapilla | Hodgson's Long-tailed Warbler | Grey-crowned Prinia |
| Prinia criniger | Hill Prinia | Striated Prinia |
| Prinia familiaris | Bar-winged Prinia | Bar-winged Prinia |
| Prinia flavicans | Black-chested Prinia | Black-chested Prinia |
| Prinia flaviventris | Yellow-bellied Prinia | Yellow-bellied Prinia |
| Prinia fluviatilis | Lake Chad Prinia | River Prinia |
| Prinia gracilis | Graceful Warbler | Graceful Prinia |
| Prinia hodgsonii | Franklin's Prinia | Grey-breasted Prinia |
| Prinia leontica | Sierra Leone Prinia | Sierra Leone Prinia |
| Prinia leucopogon | White-chinned Prinia | White-chinned Prinia |
| Prinia maculosa | Karoo Prinia | Karoo Prinia |
| Prinia molleri | Sao Thome Prinia | Sao Tome Prinia |
| Prinia polychroa | Brown Hill Prinia | Brown Prinia |
| Prinia rufescens | Lesser Brown Prinia | Rufescent Prinia |
| Prinia socialis | Ashy Prinia | Ashy Prinia |
| Prinia somalica | Pale Prinia | Pale Prinia |
| Prinia subflava | Tawny-flanked Prinia | Tawny-flanked Prinia |
| Prinia sylvatica | Jungle Prinia | Jungle Prinia |
| Prioniturus discurus | Blue-crowned Racquet-tailed Parrot | Blue-crowned Racquet-tail |
| Prioniturus flavicans | Red-spotted Racquet-tailed Parrot | Yellowish-breasted Racquet-tail |
| Prioniturus luconensis | Green Racquet-tailed Parrot | Green Racquet-tail |
| Prioniturus mada | Buru Racquet-tailed Parrot | Buru Racquet-tail |
| Prioniturus montanus | Mountain Racquet-tailed Parrot | Montane Racquet-tail |
| Prioniturus platenae | Palawan Racquet-tailed Parrot | Blue-headed Racquet-tail |
| Prioniturus platurus | Golden-mantled Racquet-tailed Parrot | Golden-mantled Racquet-tail |
| Prioniturus verticalis | Sulu Racquet-tailed Parrot | Blue-winged Racquet-tail |
| Prioniturus waterstradti | Mindanao Racquet-tailed Parrot | Mindanao Racquet-tail |
| Prionochilus maculatus | Yellow-throated Flowerpecker | Yellow-breasted Flowerpecker |
| Prionochilus olivaceus | Olive-backed Flowerpecker | Olive-backed Flowerpecker |
| Prionochilus percussus | Crimson-breasted Flowerpecker | Crimson-breasted Flowerpecker |
| Prionochilus plateni | Palawan Yellow-rumped Flowerpecker | Palawan Flowerpecker |
| Prionochilus thoracicus | Scarlet-breasted Flowerpecker | Scarlet-breasted Flowerpecker |
| Prionochilus xanthopygius | Borneo Yellow-rumped Flowerpecker | Yellow-rumped Flowerpecker |
| Prionodura newtoniana | Newton's Golden Bowerbird | Golden Bowerbird |
| Prionops alberti | Yellow-crested Helmet Shrike | Yellow-crested Helmetshrike |
| Prionops caniceps | Red-billed Shrike | Chestnut-bellied Helmetshrike |
| Prionops gabela | Rand's Red-billed Helmet Shrike | Angola Helmetshrike |
| Prionops retzii | Retz's Red-billed Helmet Shrike | Retz's Helmetshrike |
| Prionops scopifrons | Chestnut-fronted Helmet Shrike | Chestnut-fronted Helmetshrike |
| Priotelus temnurus | Cuban Trogon | Cuban Trogon |
| Probosciger aterrimus | Palm Cockatoo | Palm Cockatoo |
| Procellaria aequinoctialis | White-chinned Petrel | White-chinned Petrel |
| Procellaria cinerea | Grey Shearwater | Grey Petrel |
| Procellaria parkinsoni | Black Petrel | Black Petrel |
| Procellaria westlandica | Westland Petrel | Westland Petrel |
| Procelsterna cerulea | Blue-grey Noddy | Blue Noddy |
| Procnias alba | White Bellbird | White Bellbird |
| Procnias averano | Bearded Bellbird | Bearded Bellbird |
| Procnias nudicollis | Bare-throated Bellbird | Bare-throated Bellbird |
| Procnias tricarunculata | Three-wattled Bellbird | Three-wattled Bellbird |
| Prodotiscus insignis | Cassin's Honeybird | Cassin's Honeyguide |
| Prodotiscus regulus | Wahlberg's Honeybird | Wahlberg's Honeyguide |
| Prodotiscus zambesiae | Green-backed Honeybird | Green-backed Honeyguide |
| Progne chalybea | Grey-breasted Martin | Grey-breasted Martin |
| Progne cryptoleuca | Cuban Martin | Cuban Martin |
| Progne dominicensis | Caribbean Martin | Caribbean Martin |
| Progne modesta | Southern Martin | Southern Martin |
| Progne sinaloae | Sinaloa Martin | Sinaloa Martin |
| Progne subis | Purple Martin | Purple Martin |
| Promerops cafer | Cape Sugarbird | Cape Sugarbird |
| Promerops gurneyi | Gurney's Sugarbird | Gurney's Sugarbird |
| Prosobonia cancellata | Tuamotu Sandpiper | Tuamotu Sandpiper |
| Prosopeia personata | Masked Shining Parrot | Masked Shining-Parrot |
| Prosopeia splendens | Kandavu Shining Parrot | Crimson Shining-Parrot |
| Prosopeia tabuensis | Red Shining Parrot | Red Shining-Parrot |
| Prosthemadera novaeseelandiae | Parson Bird | Tui |
| Protonotaria citrea | Prothonotary Warbler | Prothonotary Warbler |
| Prunella atrogularis | Black-throated Accentor | Black-throated Accentor |
| Prunella collaris | Alpine Accentor | Alpine Accentor |
| Prunella fulvescens | Brown Accentor | Brown Accentor |
| Prunella himalayana | Himalayan Accentor | Rufous-streaked Accentor |
| Prunella immaculata | Maroon-backed Accentor | Maroon-backed Accentor |
| Prunella koslowi | Koslov's Accentor | Mongolian Accentor |
| Prunella modularis | Dunnock | Hedge Accentor |
| Prunella montanella | Mountain Accentor | Siberian Accentor |
| Prunella ocularis | Radde's Accentor | Radde's Accentor |
| Prunella rubeculoides | Robin Accentor | Robin Accentor |
| Prunella rubida | Japanese Hedge Sparrow | Japanese Accentor |
| Prunella strophiata | Rufous-breasted Accentor | Rufous-breasted Accentor |
| Psalidoprocne albiceps | White-headed Saw-wing | White-headed Sawwing |
| Psalidoprocne antinorii | Brown Saw-wing | Brown Sawwing |
| Psalidoprocne fuliginosa | Mountain Saw-wing | Mountain Sawwing |
| Psalidoprocne nitens | Square-tailed Saw-wing | Square-tailed Sawwing |
| Psalidoprocne obscura | Fantee Saw-wing | Fanti Sawwing |
| Psalidoprocne oleaginea | Kaffa Saw-wing | Ethiopian Sawwing |
| Psalidoprocne orientalis | Eastern Saw-wing | Eastern Sawwing |
| Psalidoprocne petiti | Petit's Saw-wing | Petit's Sawwing |
| Psalidoprocne pristoptera | Black Saw-wing | Blue Sawwing |
| Psaltria exilis | Pygmy Tit | Pygmy Tit |
| Psaltriparus minimus | Common Bushtit | Bushtit |
| Psarisomus dalhousiae | Long-tailed Broadbill | Long-tailed Broadbill |
| Psarocolius angustifrons | Russet-backed Oropendola | Russet-backed Oropendola |
| Psarocolius atrovirens | Dusky-green Oropendola | Dusky-green Oropendola |
| Psarocolius decumanus | Crested Oropendola | Crested Oropendola |
| Psarocolius oseryi | Casqued Oropendola | Casqued Oropendola |
| Psarocolius viridis | Green Oropendola | Green Oropendola |
| Psarocolius wagleri | Chestnut-headed Oropendola | Chestnut-headed Oropendola |
| Pselliophorus luteoviridis | Yellow-green Sparrow | Yellow-green Finch |
| Pselliophorus tibialis | Yellow-thighed Sparrow | Yellow-thighed Finch |
| Psephotus chrysopterygius | Golden-shouldered Parrot | Golden-shouldered Parrot |
| Psephotus haematonotus | Red-rumped Parrot | Red-rumped Parrot |
| Psephotus pulcherrimus | Paradise Parrot | Paradise Parrot |
| Psephotus varius | Mulga Parrot | Mulga Parrot |
| Pseudalaemon fremantlii | Short-tailed Lark | Short-tailed Lark |
| Pseudelaenia leucospodia | Grey & White Tyrannulet | Grey-and-white Tyrannulet |
| Pseudeos fuscata | Dusky Lory | Dusky Lory |
| Pseudibis papillosa | Black Ibis | Red-naped Ibis |
| Pseudobias wardi | Ward's Flycatcher | Ward's Shrike-flycatcher |
| Pseudocalyptomena graueri | African Green Broadbill | Grauer's Broadbill |
| Pseudochelidon eurystomina | African River Martin | African River-Martin |
| Pseudochelidon sirintarae | White-eyed River Martin | White-eyed River-Martin |
| Pseudocolaptes boissonneautii | Streaked Tuftedcheek | Streaked Tuftedcheek |
| Pseudocolaptes lawrencii | Buffy Tuftedcheek | Buffy Tuftedcheek |
| Pseudocolopteryx acutipennis | Subtropical Doradito | Subtropical Doradito |
| Pseudocolopteryx dinellianus | Dinelli's Doradito | Dinelli's Doradito |
| Pseudocolopteryx flaviventris | Warbling Doradito | Warbling Doradito |
| Pseudocolopteryx sclateri | Crested Doradito | Crested Doradito |
| Pseudocossyphus bensoni | Farkas' Robin Chat | Benson's Rock-Thrush |
| Pseudocossyphus imerinus | Madagascar Robin Chat | Littoral Rock-Thrush |
| Pseudoleistes guirahuro | Yellow-rumped Marshbird | Yellow-rumped Marshbird |
| Pseudoleistes virescens | Brown-yellow Marshbird | Brown-and-yellow Marshbird |
| Pseudonestor xanthophrys | Maui Parrotbill | Maui Parrotbill |
| Pseudonigrita arnaudi | Grey-headed Social Weaver | Grey-headed Social-Weaver |
| Pseudonigrita cabanisi | Black-capped Social Weaver | Black-capped Social-Weaver |
| Pseudopodoces humilis | Hume's Ground Chough | Tibetan Ground-Jay |
| Pseudoscops grammicus | Jamaican Owl | Jamaican Owl |
| Pseudoseisura cristata | Rufous Cacholote | Rufous Cacholote |
| Pseudoseisura gutturalis | White-throated Cacholote | White-throated Cacholote |
| Pseudoseisura lophotes | Brown Cacholote | Brown Cacholote |
| Pseudotriccus pelzelni | Bronze-olive Pygmy Tyrant | Bronze-olive Pygmy-Tyrant |
| Pseudotriccus ruficeps | Rufous-headed Pygmy Tyrant | Rufous-headed Pygmy-Tyrant |
| Pseudotriccus simplex | Hazel-fronted Pygmy Tyrant | Hazel-fronted Pygmy-Tyrant |
| Psilopogon pyrolophus | Fire-tufted Barbet | Fire-tufted Barbet |
| Psilorhamphus guttatus | Spotted Bamboowren | Spotted Bamboowren |
| Psilorhinus morio | Brown Jay | Brown Jay |
| Psittacella brehmii | Brehm's Parrot | Brehm's Tiger-Parrot |
| Psittacella modesta | Modest Parrot | Modest Tiger-Parrot |
| Psittacella picta | Painted Parrot | Painted Tiger-Parrot |
| Psittacula alexandri | Moustached Parakeet | Red-breasted Parakeet |
| Psittacula calthropae | Emerald-collared Parakeet | Layard's Parakeet |
| Psittacula caniceps | Blyth's Parakeet | Nicobar Parakeet |
| Psittacula columboides | Malabar Parakeet | Malabar Parakeet |
| Psittacula cyanocephala | Plum-headed Parakeet | Plum-headed Parakeet |
| Psittacula derbiana | Lord Derby's Parakeet | Derbyan Parakeet |
| Psittacula echo | Mauritius Parakeet | Mauritius Parakeet |
| Psittacula eupatria | Alexandrine Parakeet | Alexandrine Parakeet |
| Psittacula himalayana | Slaty-headed Parakeet | Slaty-headed Parakeet |
| Psittacula intermedia | Intermediate Parrot | Intermediate Parakeet |
| Psittacula krameri | Rose-ringed Parakeet | Rose-ringed Parakeet |
| Psittacula longicauda | Long-tailed Parakeet | Long-tailed Parakeet |
| Psittacula roseata | Blossom-headed Parakeet | Blossom-headed Parakeet |
| Psittaculirostris desmarestii | Desmarest's Fig Parrot | Large Fig-Parrot |
| Psittaculirostris edwardsii | Edwards's Fig Parrot | Edwards's Fig-Parrot |
| Psittaculirostris salvadorii | Salvadori's Fig Parrot | Salvadori's Fig-Parrot |
| Psittacus erithacus | Grey Parrot | Grey Parrot |
| Psittinus cyanurus | Blue-rumped Parrot | Blue-rumped Parrot |
| Psittirostra psittacea | Ou | Ou |
| Psittrichas fulgidus | Pesquet's Parrot | Pesquet's Parrot |
| Psophia crepitans | Common Trumpeter | Grey-winged Trumpeter |
| Psophia leucoptera | White-winged Trumpeter | Pale-winged Trumpeter |
| Psophia viridis | Green-winged Trumpeter | Dark-winged Trumpeter |
| Psophocichla litsipsirupa | Groundscraper Thrush | Groundscraper Thrush |
| Psophodes cristatus | Wedgebill | Chirruping Wedgebill |
| Psophodes nigrogularis | Western Whipbird | Western Whipbird |
| Psophodes occidentalis | Chiming Wedgebill | Chiming Wedgebill |
| Psophodes olivaceus | Eastern Whipbird | Eastern Whipbird |
| Pteridophora alberti | King of Saxony Bird of Paradise | King-of-Saxony Bird-of-paradise |
| Pterocles alchata | Pintailed Sandgrouse | Pin-tailed Sandgrouse |
| Pterocles bicinctus | Double-banded Sandgrouse | Double-banded Sandgrouse |
| Pterocles burchelli | Variegated Sandgrouse | Burchell's Sandgrouse |
| Pterocles coronatus | Crowned Sandgrouse | Crowned Sandgrouse |
| Pterocles decoratus | Black-faced Sandgrouse | Black-faced Sandgrouse |
| Pterocles exustus | Chestnut-bellied Sandgrouse | Chestnut-bellied Sandgrouse |
| Pterocles gutturalis | Yellow-throated Sandgrouse | Yellow-throated Sandgrouse |
| Pterocles indicus | Painted Sandgrouse | Painted Sandgrouse |
| Pterocles lichtensteinii | Lichtenstein's Sandgrouse | Lichtenstein's Sandgrouse |
| Pterocles namaqua | Namaqua Sandgrouse | Namaqua Sandgrouse |
| Pterocles orientalis | Black-bellied Sandgrouse | Black-bellied Sandgrouse |
| Pterocles personatus | Madagascar Sandgrouse | Madagascar Sandgrouse |
| Pterocles quadricinctus | Four-banded Sandgrouse | Four-banded Sandgrouse |
| Pterocles senegallus | Spotted Sandgrouse | Spotted Sandgrouse |
| Pterodroma alba | Phoenix Petrel | Phoenix Petrel |
| Pterodroma arminjoniana | Trinidade Petrel | Herald Petrel |
| Pterodroma aterrima | Mascarene Black Petrel | Mascarene Petrel |
| Pterodroma axillaris | Chatham Islands Petrel | Chatham Islands Petrel |
| Pterodroma baraui | Barau's Petrel | Barau's Petrel |
| Pterodroma becki | Solomon Islands Petrel | Beck's Petrel |
| Pterodroma brevipes | Collared Petrel | Collared Petrel |
| Pterodroma cahow | Cahow | Bermuda Petrel |
| Pterodroma cervicalis | Kermadec White-necked Petrel | White-necked Petrel |
| Pterodroma cookii | Cook's Petrel | Cook's Petrel |
| Pterodroma defilippiana | Juan Fernandez Petrel | Defilippe's Petrel |
| Pterodroma externa | White-necked Petrel | Juan Fernandez Petrel |
| Pterodroma feae | Cape Verde Petrel | Cape Verde Petrel |
| Pterodroma hasitata | Black-capped Petrel | Black-capped Petrel |
| Pterodroma hypoleuca | Bonin Petrel | Bonin Petrel |
| Pterodroma incerta | Schlegel's Petrel | Atlantic Petrel |
| Pterodroma inexpectata | Peale's Petrel | Mottled Petrel |
| Pterodroma lessonii | White-headed Petrel | White-headed Petrel |
| Pterodroma leucoptera | White-winged Petrel | Gould's Petrel |
| Pterodroma longirostris | Stejneger's Petrel | Stejneger's Petrel |
| Pterodroma macroptera | Great-winged Petrel | Great-winged Petrel |
| Pterodroma madeira | Madeira Petrel | Madeira Petrel |
| Pterodroma magentae | Taiko | Magenta Petrel |
| Pterodroma mollis | Soft-plumaged Petrel | Soft-plumaged Petrel |
| Pterodroma neglecta | Kermadec Petrel | Kermadec Petrel |
| Pterodroma nigripennis | Black-winged Petrel | Black-winged Petrel |
| Pterodroma phaeopygia | Galapagos Petrel | Galapagos Petrel |
| Pterodroma pycrofti | Pycroft's Petrel | Pycroft's Petrel |
| Pterodroma sandwichensis | Hawaiian Petrel | Hawaiian Petrel |
| Pterodroma solandri | Solander's Petrel | Providence Petrel |
| Pterodroma ultima | Murphy's Petrel | Murphy's Petrel |
| Pteroglossus aracari | Black-necked Aracari | Black-necked Aracari |
| Pteroglossus azara | Ivory-billed Aracari | Ivory-billed Aracari |
| Pteroglossus beauharnaesii | Curl-crested Aracari | Curl-crested Aracari |
| Pteroglossus bitorquatus | Red-necked Aracari | Red-necked Aracari |
| Pteroglossus castanotis | Chestnut-eared Aracari | Chestnut-eared Aracari |
| Pteroglossus frantzii | Fiery-billed Aracari | Fiery-billed Aracari |
| Pteroglossus inscriptus | Lettered Aracari | Lettered Aracari |
| Pteroglossus pluricinctus | Many-banded Aracari | Many-banded Aracari |
| Pteroglossus torquatus | Collared Aracari | Collared Aracari |
| Pteroglossus viridis | Green Aracari | Green Aracari |
| Pteronetta hartlaubii | Hartlaub's Duck | Hartlaub's Duck |
| Pterophanes cyanopterus | Great Sapphirewing | Great Sapphirewing |
| Pteroptochos megapodius | Moustached Turka | Moustached Turca |
| Pteroptochos tarnii | Black-throated Huet-huet | Huet-huet |
| Pteruthius aenobarbus | Chestnut-fronted Shrike Babbler | Chestnut-fronted Shrike-Babbler |
| Pteruthius flaviscapis | Red-winged Shrike Babbler | White-browed Shrike-Babbler |
| Pteruthius melanotis | Black-eared Shrike Babbler | Black-eared Shrike-Babbler |
| Pteruthius rufiventer | Rufous-bellied Shrike Babbler | Black-headed Shrike-Babbler |
| Pteruthius xanthochlorus | Green Shrike Babbler | Green Shrike-Babbler |
| Ptilinopus alligator | Black-banded Pigeon | Black-banded Fruit-Dove |
| Ptilinopus arcanus | Ripley's Fruit Dove | Negros Fruit-Dove |
| Ptilinopus aurantiifrons | Orange-fronted Fruit Dove | Orange-fronted Fruit-Dove |
| Ptilinopus bernsteinii | Scarlet-breasted Fruit Dove | Scarlet-breasted Fruit-Dove |
| Ptilinopus chalcurus | Mahatea Fruit Dove | Makatea Fruit-Dove |
| Ptilinopus coralensis | Atoll Fruit Dove | Atoll Fruit-Dove |
| Ptilinopus coronulatus | Lilac-capped Fruit Dove | Coroneted Fruit-Dove |
| Ptilinopus dohertyi | Red-naped Fruit Dove | Red-naped Fruit-Dove |
| Ptilinopus dupetithouarsii | White-capped Fruit Dove | White-capped Fruit-Dove |
| Ptilinopus eugeniae | White-headed Fruit Dove | White-headed Fruit-Dove |
| Ptilinopus fischeri | Fischer's Fruit Dove | Red-eared Fruit-Dove |
| Ptilinopus granulifrons | Carunculated Fruit Dove | Carunculated Fruit-Dove |
| Ptilinopus greyii | Grey's Fruit Dove | Red-bellied Fruit-Dove |
| Ptilinopus huttoni | Rapa Island Fruit Dove | Rapa Fruit-Dove |
| Ptilinopus insolitus | Knob-billed Fruit Dove | Knob-billed Fruit-Dove |
| Ptilinopus insularis | Henderson Island Fruit Dove | Henderson Island Fruit-Dove |
| Ptilinopus iozonus | Orange-bellied Fruit Dove | Orange-bellied Fruit-Dove |
| Ptilinopus jambu | Jambu Fruit Dove | Jambu Fruit-Dove |
| Ptilinopus layardi | Yellow-headed Dove | Whistling Dove |
| Ptilinopus leclancheri | Black-chinned Fruit Dove | Black-chinned Fruit-Dove |
| Ptilinopus luteovirens | Golden Dove | Golden Dove |
| Ptilinopus magnificus | Magnificent Fruit Dove | Wompoo Fruit-Dove |
| Ptilinopus marchei | Marche's Fruit Dove | Flame-breasted Fruit-Dove |
| Ptilinopus melanospila | Black-naped Fruit Dove | Black-naped Fruit-Dove |
| Ptilinopus mercierii | Red-moustached Fruit Dove | Red-moustached Fruit-Dove |
| Ptilinopus merrilli | Merrill's Fruit Dove | Cream-bellied Fruit-Dove |
| Ptilinopus monacha | Blue-capped Fruit Dove | Blue-capped Fruit-Dove |
| Ptilinopus naina | Dwarf Fruit Dove | Dwarf Fruit-Dove |
| Ptilinopus occipitalis | Yellow-breasted Fruit Dove | Yellow-breasted Fruit-Dove |
| Ptilinopus ornatus | Ornate Fruit Dove | Ornate Fruit-Dove |
| Ptilinopus pelewensis | Palau Fruit Dove | Palau Fruit-Dove |
| Ptilinopus perlatus | Pink-spotted Fruit Dove | Pink-spotted Fruit-Dove |
| Ptilinopus perousii | Many-coloured Fruit Dove | Many-colored Fruit-Dove |
| Ptilinopus porphyraceus | Purple-capped Fruit Dove | Crimson-crowned Fruit-Dove |
| Ptilinopus pulchellus | Crimson-capped Fruit Dove | Beautiful Fruit-Dove |
| Ptilinopus purpuratus | Grey-green Fruit Dove | Grey-green Fruit-Dove |
| Ptilinopus rarotongensis | Rarotongan Fruit Dove | Cook Islands Fruit-Dove |
| Ptilinopus regina | Pink-capped Fruit Dove | Rose-crowned Fruit-Dove |
| Ptilinopus richardsii | Silver-capped Fruit Dove | Silver-capped Fruit-Dove |
| Ptilinopus rivoli | White-bibbed Fruit Dove | White-bibbed Fruit-Dove |
| Ptilinopus roseicapilla | Marianas Fruit Dove | Mariana Fruit-Dove |
| Ptilinopus solomonensis | Yellow-bibbed Fruit Dove | Yellow-bibbed Fruit-Dove |
| Ptilinopus subgularis | Dark-chinned Fruit Dove | Maroon-chinned Fruit-Dove |
| Ptilinopus superbus | Superb Fruit Dove | Superb Fruit-Dove |
| Ptilinopus tannensis | Silver-shouldered Fruit Dove | Tanna Fruit-Dove |
| Ptilinopus victor | Orange Dove | Orange Dove |
| Ptilinopus viridis | Red-bibbed Fruit Dove | Claret-breasted Fruit-Dove |
| Ptilinopus wallacii | Wallace's Fruit Dove | Wallace's Fruit-Dove |
| Ptilocichla falcata | Palawan Wren Babbler | Falcated Wren-Babbler |
| Ptilocichla leucogrammica | Bornean Wren Babbler | Bornean Wren-Babbler |
| Ptilocichla mindanensis | Streaked Ground Babbler | Striated Wren-Babbler |
| Ptilogonys caudatus | Long-tailed Silky Flycatcher | Long-tailed Silky-flycatcher |
| Ptilogonys cinereus | Grey Silky Flycatcher | Grey Silky-flycatcher |
| Ptilonorhynchus violaceus | Satin Bowerbird | Satin Bowerbird |
| Ptilopachus petrosus | Stone Partridge | Stone Partridge |
| Ptiloprora erythropleura | Red-sided Streaked Honeyeater | Rufous-sided Honeyeater |
| Ptiloprora guisei | Red-backed Honeyeater | Rufous-backed Honeyeater |
| Ptiloprora mayri | Mayr's Streaked Honeyeater | Mayr's Honeyeater |
| Ptiloprora meekiana | Meek's Streaked Honeyeater | Olive-streaked Honeyeater |
| Ptiloprora perstriata | Black-backed Streaked Honeyeater | Black-backed Honeyeater |
| Ptiloprora plumbea | Leaden Honeyeater | Leaden Honeyeater |
| Ptiloris intercedens | Eastern Riflebird | Eastern Riflebird |
| Ptiloris magnificus | Magnificent Riflebird | Magnificent Riflebird |
| Ptiloris paradiseus | Paradise Riflebird | Paradise Riflebird |
| Ptiloris victoriae | Queen Victoria Riflebird | Victoria's Riflebird |
| Ptilorrhoa caerulescens | Lowland Rail Babbler | Blue Jewel-babbler |
| Ptilorrhoa castanonota | Mid-mountain Rail Babbler | Chestnut-backed Jewel-babbler |
| Ptilorrhoa leucosticta | High Mountain Rail Babbler | Spotted Jewel-babbler |
| Ptilostomus afer | Piapiac | Piapiac |
| Ptychoramphus aleuticus | Cassin's Auklet | Cassin's Auklet |
| Ptyrticus turdinus | African Thrush Babbler | Thrush Babbler |
| Pucrasia macrolopha | Koklass Pheasant | Koklass Pheasant |
| Puffinus assimilis | Little Shearwater | Little Shearwater |
| Puffinus auricularis | Townsend's Shearwater | Townsend's Shearwater |
| Puffinus bulleri | Grey-backed Shearwater | Buller's Shearwater |
| Puffinus carneipes | Pale-footed Shearwater | Flesh-footed Shearwater |
| Puffinus creatopus | Pink-footed Shearwater | Pink-footed Shearwater |
| Puffinus gavia | Fluttering Shearwater | Fluttering Shearwater |
| Puffinus gravis | Greater Shearwater | Great Shearwater |
| Puffinus griseus | Sooty Shearwater | Sooty Shearwater |
| Puffinus heinrothi | Heinroth's Shearwater | Heinroth's Shearwater |
| Puffinus huttoni | Hutton's Shearwater | Hutton's Shearwater |
| Puffinus lherminieri | Audubon's Shearwater | Audubon's Shearwater |
| Puffinus nativitatis | Christmas Island Shearwater | Christmas Island Shearwater |
| Puffinus opisthomelas | Black-vented Shearwater | Black-vented Shearwater |
| Puffinus pacificus | Wedge-tailed Shearwater | Wedge-tailed Shearwater |
| Puffinus puffinus | Manx Shearwater | Manx Shearwater |
| Puffinus tenuirostris | Short-tailed Shearwater | Short-tailed Shearwater |
| Puffinus yelkouan | Mediterranean Shearwater | Mediterranean Shearwater |
| Pulsatrix koeniswaldiana | Tawny-browed Owl | Tawny-browed Owl |
| Pulsatrix melanota | Band-bellied Owl | Band-bellied Owl |
| Pulsatrix perspicillata | Spectacled Owl | Spectacled Owl |
| Purpureicephalus spurius | Red-capped Parrot | Red-capped Parrot |
| Pycnonotus atriceps | Black-headed Bulbul | Black-headed Bulbul |
| Pycnonotus aurigaster | White-eared Bulbul | Sooty-headed Bulbul |
| Pycnonotus barbatus | Garden Bulbul | Garden Bulbul |
| Pycnonotus bimaculatus | Orange-spotted Bulbul | Orange-spotted Bulbul |
| Pycnonotus blanfordi | Blanford's Olive Bulbul | Streak-eared Bulbul |
| Pycnonotus brunneus | Red-eyed Brown Bulbul | Red-eyed Bulbul |
| Pycnonotus cafer | Red-vented Bulbul | Red-vented Bulbul |
| Pycnonotus capensis | Cape Bulbul | Cape Bulbul |
| Pycnonotus cyaniventris | Grey-bellied Bulbul | Grey-bellied Bulbul |
| Pycnonotus eutilotus | Puff-backed Bulbul | Puff-backed Bulbul |
| Pycnonotus finlaysoni | Stripe-throated Bulbul | Stripe-throated Bulbul |
| Pycnonotus flavescens | Flavescent Bulbul | Flavescent Bulbul |
| Pycnonotus goiavier | Yellow-vented Bulbul | Yellow-vented Bulbul |
| Pycnonotus jocosus | Red-whiskered Bulbul | Red-whiskered Bulbul |
| Pycnonotus leucogenys | White-cheeked Bulbul | Himalayan Bulbul |
| Pycnonotus leucogrammicus | Striated Bulbul | Cream-striped Bulbul |
| Pycnonotus luteolus | White-browed Bulbul | White-browed Bulbul |
| Pycnonotus melanicterus | Black-crested Bulbul | Black-crested Bulbul |
| Pycnonotus melanoleucos | Black & White Bulbul | Black-and-white Bulbul |
| Pycnonotus nieuwenhuisii | Blue-wattled Bulbul | Blue-wattled Bulbul |
| Pycnonotus nigricans | Red-eyed Bulbul | Black-fronted Bulbul |
| Pycnonotus penicillatus | Yellow-tufted Bulbul | Yellow-eared Bulbul |
| Pycnonotus plumosus | Olive-brown Bulbul | Olive-winged Bulbul |
| Pycnonotus priocephalus | Grey-headed Bulbul | Grey-headed Bulbul |
| Pycnonotus simplex | White-eyed Brown Bulbul | Cream-vented Bulbul |
| Pycnonotus sinensis | Chinese Bulbul | Light-vented Bulbul |
| Pycnonotus squamatus | Scaly-breasted Bulbul | Scaly-breasted Bulbul |
| Pycnonotus striatus | Striated Green Bulbul | Striated Bulbul |
| Pycnonotus taivanus | Formosan Bulbul | Styan's Bulbul |
| Pycnonotus tympanistrigus | Olive-crowned Bulbul | Spot-necked Bulbul |
| Pycnonotus urostictus | Yellow-wattled Bulbul | Yellow-wattled Bulbul |
| Pycnonotus xantholaemus | Yellow-throated Bulbul | Yellow-throated Bulbul |
| Pycnonotus xanthopygos | White-eyed Bulbul | White-spectacled Bulbul |
| Pycnonotus xanthorrhous | Anderson's Bulbul | Brown-breasted Bulbul |
| Pycnonotus zeylanicus | Straw-crowned Bulbul | Straw-headed Bulbul |
| Pycnoptilus floccosus | Pilot Bird | Pilotbird |
| Pycnopygius cinereus | Grey-fronted Honeyeater | Marbled Honeyeater |
| Pycnopygius ixoides | New Guinea Brown Honeyeater | Plain Honeyeater |
| Pycnopygius stictocephalus | Streak-capped Honeyeater | Streak-headed Honeyeater |
| Pygarrhichas albogularis | White-throated Treerunner | White-throated Treerunner |
| Pygiptila stellaris | Spot-winged Antshrike | Spot-winged Antshrike |
| Pygoscelis adeliae | Adelie Penguin | Adelie Penguin |
| Pygoscelis antarctica | Bearded Penguin | Chinstrap Penguin |
| Pygoscelis papua | Gentoo Penguin | Gentoo Penguin |
| Pyrenestes minor | Lesser Seedcracker | Lesser Seedcracker |
| Pyrenestes ostrinus | Black-bellied Seedcracker | Black-bellied Seedcracker |
| Pyrenestes sanguineus | Crimson Seedcracker | Crimson Seedcracker |
| Pyriglena atra | Swainson's Fire-eye | Fringe-backed Fire-eye |
| Pyriglena leuconota | White-backed Fire-eye | White-backed Fire-eye |
| Pyriglena leucoptera | White-shouldered Fire-eye | White-shouldered Fire-eye |
| Pyrocephalus rubinus | Vermilion Flycatcher | Vermilion Flycatcher |
| Pyroderus scutatus | Red-ruffed Fruitcrow | Red-ruffed Fruitcrow |
| Pyrrhocoma ruficeps | Chestnut-headed Tanager | Chestnut-headed Tanager |
| Pyrrhocorax graculus | Alpine Chough | Yellow-billed Chough |
| Pyrrhocorax pyrrhocorax | Red-billed Chough | Red-billed Chough |
| Pyrrholaemus brunneus | Redthroat | Redthroat |
| Pyrrhomyias cinnamomea | Cinnamon Flycatcher | Cinnamon Flycatcher |
| Pyrrhoplectes epauletta | Gold-headed Finch | Gold-naped Finch |
| Pyrrhula aurantiaca | Orange Bullfinch | Orange Bullfinch |
| Pyrrhula erythaca | Beavan's Bullfinch | Grey-headed Bullfinch |
| Pyrrhula erythrocephala | Red-headed Bullfinch | Red-headed Bullfinch |
| Pyrrhula leucogenis | Philippine Bullfinch | White-cheeked Bullfinch |
| Pyrrhula nipalensis | Brown Bullfinch | Brown Bullfinch |
| Pyrrhula pyrrhula | Northern Bullfinch | Eurasian Bullfinch |
| Pyrrhura albipectus | White-necked Conure | White-necked Parakeet |
| Pyrrhura calliptera | Brown-breasted Conure | Brown-breasted Parakeet |
| Pyrrhura cruentata | Blue-throated Conure | Blue-throated Parakeet |
| Pyrrhura devillei | Blaze-winged Conure | Blaze-winged Parakeet |
| Pyrrhura egregia | Fiery-shouldered Conure | Fiery-shouldered Parakeet |
| Pyrrhura frontalis | Maroon-bellied Conure | Maroon-bellied Parakeet |
| Pyrrhura hoematotis | Red-eared Conure | Red-eared Parakeet |
| Pyrrhura hoffmanni | Hoffmann's Conure | Sulphur-winged Parakeet |
| Pyrrhura leucotis | White-eared Conure | White-eared Parakeet |
| Pyrrhura melanura | Maroon-tailed Conure | Maroon-tailed Parakeet |
| Pyrrhura molinae | Green-cheeked Conure | Green-cheeked Parakeet |
| Pyrrhura orcesi | El Oro Parakeet | El Oro Parakeet |
| Pyrrhura perlata | Pearly Conure | Pearly Parakeet |
| Pyrrhura picta | Painted Conure | Painted Parakeet |
| Pyrrhura rhodocephala | Rose-crowned Conure | Rose-headed Parakeet |
| Pyrrhura rhodogaster | Crimson-bellied Conure | Crimson-bellied Parakeet |
| Pyrrhura rupicola | Black-capped Conure | Black-capped Parakeet |
| Pyrrhura viridicata | Santa Marta Conure | Santa Marta Parakeet |
| Pytilia afra | Orange-winged Pytilia | Orange-winged Pytilia |
| Pytilia hypogrammica | Red-faced Pytilia | Red-faced Pytilia |
| Pytilia melba | Green-winged Pytilia | Green-winged Pytilia |
| Pytilia phoenicoptera | Crimson-winged Pytilia | Red-winged Pytilia |
| Quelea cardinalis | Cardinal Quelea | Cardinal Quelea |
| Quelea erythrops | Red-headed Quelea | Red-headed Quelea |
| Quelea quelea | Red-billed Quelea | Red-billed Quelea |
| Querula purpurata | Purple-throated Fruitcrow | Purple-throated Fruitcrow |
| Quiscalus lugubris | Carib Grackle | Carib Grackle |
| Quiscalus major | Boat-tailed Grackle | Boat-tailed Grackle |
| Quiscalus mexicanus | Great-tailed Grackle | Great-tailed Grackle |
| Quiscalus nicaraguensis | Nicaraguan Grackle | Nicaraguan Grackle |
| Quiscalus niger | Antillean Grackle | Greater Antillean Grackle |
| Quiscalus quiscula | Common Grackle | Common Grackle |
| Rallina canningi | Andaman Banded Crake | Andaman Crake |
| Rallina eurizonoides | Banded Crake | Slaty-legged Crake |
| Rallina fasciata | Red-legged Crake | Red-legged Crake |
| Rallina forbesi | Forbes' Chestnut Rail | Forbes's Forest-Rail |
| Rallina leucospila | White-striped Chestnut Rail | White-striped Forest-Rail |
| Rallina mayri | Mayr's Chestnut Rail | Mayr's Forest-Rail |
| Rallina rubra | New Guinea Chestnut Rail | Chestnut Forest-Rail |
| Rallina tricolor | Red-necked Crake | Red-necked Crake |
| Rallus antarcticus | Austral Rail | Austral Rail |
| Rallus aquaticus | Water Rail | Water Rail |
| Rallus caerulescens | Kaffir Rail | Kaffir Rail |
| Rallus limicola | Virginia Rail | Virginia Rail |
| Rallus longirostris | Clapper Rail | Clapper Rail |
| Rallus madagascariensis | Madagascar Rail | Madagascar Rail |
| Rallus wetmorei | Plain-flanked Rail | Plain-flanked Rail |
| Ramphastos ambiguus | Black-mandibled Toucan | Black-mandibled Toucan |
| Ramphastos brevis | Choco Toucan | Choco Toucan |
| Ramphastos dicolorus | Red-breasted Toucan | Red-breasted Toucan |
| Ramphastos sulfuratus | Keel-billed Toucan | Keel-billed Toucan |
| Ramphastos swainsonii | Chestnut-mandibled Toucan | Chestnut-mandibled Toucan |
| Ramphastos toco | Toco Toucan | Toco Toucan |
| Ramphastos tucanus | Red-billed Toucan | Red-billed Toucan |
| Ramphastos vitellinus | Channel-billed Toucan | Channel-billed Toucan |
| Ramphocaenus melanurus | Long-billed Gnatwren | Long-billed Gnatwren |
| Ramphocelus bresilius | Brazilian Tanager | Brazilian Tanager |
| Ramphocelus carbo | Silver-beaked Tanager | Silver-beaked Tanager |
| Ramphocelus dimidiatus | Crimson-backed Tanager | Crimson-backed Tanager |
| Ramphocelus flammigerus | Flame-rumped Tanager | Flame-rumped Tanager |
| Ramphocelus melanogaster | Black-bellied Tanager | Huallaga Tanager |
| Ramphocelus nigrogularis | Masked Crimson Tanager | Masked Crimson Tanager |
| Ramphocelus passerinii | Scarlet-rumped Tanager | Scarlet-rumped Tanager |
| Ramphocelus sanguinolentus | Crimson-collared Tanager | Crimson-collared Tanager |
| Ramphocinclus brachyurus | White-breasted Trembler | White-breasted Thrasher |
| Ramphocoris clotbey | Thick-billed Lark | Thick-billed Lark |
| Ramphodon naevius | Saw-billed Hermit | Saw-billed Hermit |
| Ramphomicron dorsale | Black-backed Thornbill | Black-backed Thornbill |
| Ramphomicron microrhynchum | Purple-backed Thornbill | Purple-backed Thornbill |
| Ramphotrigon fuscicauda | Dusky-tailed Flatbill | Dusky-tailed Flatbill |
| Ramphotrigon megacephala | Large-headed Flatbill | Large-headed Flatbill |
| Ramphotrigon ruficauda | Rufous-tailed Flatbill | Rufous-tailed Flatbill |
| Ramsayornis fasciatus | Bar-breasted Honeyeater | Bar-breasted Honeyeater |
| Ramsayornis modestus | Brown-backed Honeyeater | Brown-backed Honeyeater |
| Randia pseudozosterops | Marvantsetra Warbler | Rand's Warbler |
| Recurvirostra americana | American Avocet | American Avocet |
| Recurvirostra andina | Andean Avocet | Andean Avocet |
| Recurvirostra avosetta | Pied Avocet | Pied Avocet |
| Recurvirostra novaehollandiae | Red-necked Avocet | Red-necked Avocet |
| Regulus calendula | Ruby-crowned Kinglet | Ruby-crowned Kinglet |
| Regulus goodfellowi | Taiwan Firecrest | Flamecrest |
| Regulus ignicapillus | Firecrest | Firecrest |
| Regulus regulus | Goldcrest | Goldcrest |
| Regulus satrapa | Golden-crowned Kinglet | Golden-crowned Kinglet |
| Reinwardtipicus validus | Orange-backed Woodpecker | Orange-backed Woodpecker |
| Reinwardtoena browni | Brown's Long-tailed Pigeon | Pied Cuckoo-Dove |
| Reinwardtoena crassirostris | Crested Long-tailed Pigeon | Crested Cuckoo-Dove |
| Reinwardtoena reinwardtsi | Reinwardt's Long-tailed Pigeon | Great Cuckoo-Dove |
| Remiz pendulinus | Penduline Tit | Eurasian Penduline-Tit |
| Rhabdornis inornatus | Plain-headed Creeper | Stripe-breasted Rhabdornis |
| Rhagologus leucostigma | Mottled Whistler | Mottled Whistler |
| Rhamphomantis megarhynchus | Little Long-billed Cuckoo | Long-billed Cuckoo |
| Rhaphidura leucopygialis | White-rumped Spinetailed Swift | Silver-rumped Spinetail |
| Rhaphidura sabini | Sabine's Spinetailed Swift | Sabine's Spinetail |
| Rhea americana | Greater Rhea | Greater Rhea |
| Rhegmatorhina berlepschi | Harlequin Antcatcher | Harlequin Antbird |
| Rhegmatorhina cristata | Chestnut-crested Antcatcher | Chestnut-crested Antbird |
| Rhegmatorhina gymnops | Bare-eyed Antcatcher | Santarem Antbird |
| Rhegmatorhina hoffmannsi | White-breasted Antcatcher | White-breasted Antbird |
| Rhegmatorhina melanosticta | Hairy-crested Antcatcher | Hairy-crested Antbird |
| Rhinocrypta lanceolata | Crested Gallito | Crested Gallito |
| Rhinomyias addita | Buru Jungle Flycatcher | Streaky-breasted Jungle-Flycatcher |
| Rhinomyias brunneata | White-gorgetted Jungle Flycatcher | Brown-chested Jungle-Flycatcher |
| Rhinomyias colonus | Sula Jungle Flycatcher | Henna-tailed Jungle-Flycatcher |
| Rhinomyias goodfellowi | Mindanao Jungle Flycatcher | Slaty-backed Jungle-Flycatcher |
| Rhinomyias gularis | White-browed Jungle Flycatcher | Eyebrowed Jungle-Flycatcher |
| Rhinomyias insignis | Lepanto Jungle Flycatcher | White-browed Jungle-Flycatcher |
| Rhinomyias olivacea | Olive-backed Jungle Flycatcher | Fulvous-chested Jungle-Flycatcher |
| Rhinomyias oscillans | Flores Jungle Flycatcher | Russet-backed Jungle-Flycatcher |
| Rhinomyias ruficauda | Rufous-tailed Jungle Flycatcher | Rufous-tailed Jungle-Flycatcher |
| Rhinomyias umbratilis | White-throated Jungle Flycatcher | Grey-chested Jungle-Flycatcher |
| Rhinopomastus cyanomelas | Scimitar-bill | Common Scimitar-bill |
| Rhinopomastus minor | Abyssinian Scimitar-bill | Abyssinian Scimitar-bill |
| Rhinoptilus africanus | Two-banded Courser | Double-banded Courser |
| Rhinoptilus bitorquatus | Jerdon's Courser | Jerdon's Courser |
| Rhinoptilus chalcopterus | Bronze-winged Courser | Bronze-winged Courser |
| Rhinoptilus cinctus | Heuglin's Courser | Three-banded Courser |
| Rhipidura albicollis | White-throated Fantail | White-throated Fantail |
| Rhipidura albolimbata | Friendly Fantail | Friendly Fantail |
| Rhipidura atra | Black Fantail | Black Fantail |
| Rhipidura aureola | White-browed Fantail | White-browed Fantail |
| Rhipidura brachyrhyncha | Dimorphic Rufous Fantail | Dimorphic Fantail |
| Rhipidura cockerelli | Cockerell's Fantail | White-winged Fantail |
| Rhipidura cyaniceps | Blue-headed Fantail | Blue-headed Fantail |
| Rhipidura dahli | Island Rufous Fantail | Bismarck Fantail |
| Rhipidura dedemi | Seram Rufous Fantail | Streaky-breasted Fantail |
| Rhipidura diluta | Brown-capped Fantail | Brown-capped Fantail |
| Rhipidura drownei | Mountain Fantail | Brown Fantail |
| Rhipidura euryura | White-bellied Fantail | White-bellied Fantail |
| Rhipidura fuliginosa | Collared Grey Fantail | Grey Fantail |
| Rhipidura fuscorufa | Cinnamon-tailed Fantail | Cinnamon-tailed Fantail |
| Rhipidura hyperythra | Chestnut-bellied Fantail | Chestnut-bellied Fantail |
| Rhipidura hypoxantha | Yellow-bellied Fantail | Yellow-bellied Fantail |
| Rhipidura javanica | Pied Fantail | Pied Fantail |
| Rhipidura kubaryi | Ponape Fantail | Pohnpei Fantail |
| Rhipidura lepida | Palau Fantail | Palau Fantail |
| Rhipidura leucophrys | Black & White Fantail | Willie-wagtail |
| Rhipidura leucothorax | White-breasted Fantail | White-bellied Thicket-Fantail |
| Rhipidura maculipectus | Black Thicket Fantail | Black Thicket-Fantail |
| Rhipidura malaitae | Malaita Rufous Fantail | Malaita Fantail |
| Rhipidura matthiae | St. Matthias Fantail | Matthias Fantail |
| Rhipidura nebulosa | Samoan Fantail | Samoan Fantail |
| Rhipidura nigrocinnamomea | Black & Cinnamon Fantail | Black-and-cinnamon Fantail |
| Rhipidura opistherythra | Long-tailed Fantail | Long-tailed Fantail |
| Rhipidura perlata | Pearlated Fantail | Spotted Fantail |
| Rhipidura personata | Kandavu Fantail | Kadavu Fantail |
| Rhipidura phasiana | Mangrove Fantail | Mangrove Fantail |
| Rhipidura phoenicura | Red-tailed Fantail | Rufous-tailed Fantail |
| Rhipidura rennelliana | Rennell Fantail | Rennell Fantail |
| Rhipidura rufidorsa | Grey-breasted Rufous Fantail | Rufous-backed Fantail |
| Rhipidura rufifrons | Rufous Fantail | Rufous Fantail |
| Rhipidura rufiventris | Northern Fantail | Northern Fantail |
| Rhipidura spilodera | Spotted Fantail | Streaked Fantail |
| Rhipidura superciliaris | Blue Fantail | Blue Fantail |
| Rhipidura superflua | Moluccan Fantail | Tawny-backed Fantail |
| Rhipidura tenebrosa | Dusky Fantail | Dusky Fantail |
| Rhipidura teysmanni | Sulawesi Rufous Fantail | Rusty-bellied Fantail |
| Rhipidura threnothorax | Sooty Thicket Fantail | Sooty Thicket-Fantail |
| Rhizothera longirostris | Long-billed Wood Partridge | Long-billed Partridge |
| Rhodinocichla rosea | Rose-breasted Thrush Tanager | Rosy Thrush-Tanager |
| Rhodonessa caryophyllacea | Pink-headed Duck | Pink-headed Duck |
| Rhodopechys githaginea | Trumpeter Finch | Trumpeter Finch |
| Rhodopechys mongolica | Mongolian Trumpeter Finch | Mongolian Finch |
| Rhodopechys obsoleta | Lichtenstein's Desert Finch | Desert Finch |
| Rhodopechys sanguinea | Crimson-winged Finch | Crimson-winged Finch |
| Rhodopis vesper | Oasis Hummingbird | Oasis Hummingbird |
| Rhodospingus cruentus | Crimson Finch | Crimson Finch-Tanager |
| Rhodostethia rosea | Ross's Gull | Ross's Gull |
| Rhodothraupis celaeno | Crimson-collared Grosbeak | Crimson-collared Grosbeak |
| Rhopocichla atriceps | Black-headed Babbler | Dark-fronted Babbler |
| Rhopophilus pekinensis | White-browed Chinese Warbler | White-browed Chinese Warbler |
| Rhopornis ardesiaca | Slender Antbird | Slender Antbird |
| Rhyacornis bicolor | Philippine Water Redstart | Luzon Water-Redstart |
| Rhynchocyclus brevirostris | Eye-ringed Flatbill | Eye-ringed Flatbill |
| Rhynchocyclus fulvipectus | Fulvous-breasted Flatbill | Fulvous-breasted Flatbill |
| Rhynchocyclus olivaceus | Olivaceous Flatbill | Olivaceous Flatbill |
| Rhynchopsitta pachyrhyncha | Thick-billed Parrot | Thick-billed Parrot |
| Rhynchopsitta terrisi | Maroon-fronted Parrot | Maroon-fronted Parrot |
| Rhynchortyx cinctus | Tawny-faced Quail | Tawny-faced Quail |
| Rhynchostruthus socotranus | Golden-winged Grosbeak | Golden-winged Grosbeak |
| Rhynchotus rufescens | Red-winged Tinamou | Red-winged Tinamou |
| Rhynochetos jubatus | Kagu | Kagu |
| Rhytipterna holerythra | Rufous Mourner | Rufous Mourner |
| Rhytipterna immunda | Pale-bellied Mourner | Pale-bellied Mourner |
| Rhytipterna simplex | Greyish Mourner | Greyish Mourner |
| Rimator malacoptilus | Long-billed Wren Babbler | Long-billed Wren-Babbler |
| Riparia cincta | Banded Martin | Banded Martin |
| Riparia congica | Congo Martin | Congo Martin |
| Riparia paludicola | Brown Throated Sand Martin | Plain Martin |
| Riparia riparia | Sand Martin | Sand Martin |
| Rissa brevirostris | Red-legged Kittiwake | Red-legged Kittiwake |
| Rissa tridactyla | Black-legged Kittiwake | Black-legged Kittiwake |
| Rollandia rolland | White-tufted Grebe | White-tufted Grebe |
| Rostratula benghalensis | Painted-Snipe | Greater Painted-snipe |
| Rostrhamus hamatus | Slender-billed Kite | Slender-billed Kite |
| Rostrhamus sociabilis | Everglade Kite | Snail Kite |
| Rougetius rougetii | Rouget's Rail | Rouget's Rail |
| Rowettia goughensis | Gough Island Finch | Gough Finch |
| Rukia longirostra | Ponape White-eye | Long-billed White-eye |
| Rukia ruki | Truk White-eye | Truk White-eye |
| Rupicola peruviana | Andean Cock of the Rock | Andean Cock-of-the-rock |
| Rupicola rupicola | Guianan Cock of the Rock | Guianan Cock-of-the-rock |
| Rynchops albicollis | Indian Skimmer | Indian Skimmer |
| Rynchops flavirostris | African Skimmer | African Skimmer |
| Rynchops niger | Black Skimmer | Black Skimmer |
| Sagittarius serpentarius | Secretary Bird | Secretarybird |
| Sakesphorus bernardi | Collared Antshrike | Collared Antshrike |
| Sakesphorus canadensis | Black-crested Antshrike | Black-crested Antshrike |
| Sakesphorus cristatus | Silvery-cheeked Antshrike | Silvery-cheeked Antshrike |
| Sakesphorus luctuosus | Glossy Antshrike | Glossy Antshrike |
| Sakesphorus melanonotus | Black-backed Antshrike | Black-backed Antshrike |
| Sakesphorus melanothorax | Band-tailed Antshrike | Band-tailed Antshrike |
| Salpinctes obsoletus | Rock Wren | Rock Wren |
| Salpornis spilonotus | Spotted Grey Creeper | Spotted Tree-Creeper |
| Saltator albicollis | Streaked Saltator | Streaked Saltator |
| Saltator atriceps | Black-headed Saltator | Black-headed Saltator |
| Saltator atricollis | Black-throated Saltator | Black-throated Saltator |
| Saltator atripennis | Black-winged Saltator | Black-winged Saltator |
| Saltator aurantiirostris | Golden-billed Saltator | Golden-billed Saltator |
| Saltator cinctus | Masked Saltator | Masked Saltator |
| Saltator coerulescens | Greyish Saltator | Greyish Saltator |
| Saltator maxillosus | Thick-billed Saltator | Thick-billed Saltator |
| Saltator maximus | Buff-throated Saltator | Buff-throated Saltator |
| Saltator nigriceps | Black-cowled Saltator | Black-cowled Saltator |
| Saltator orenocensis | Orinocan Saltator | Orinocan Saltator |
| Saltator rufiventris | Rufous-bellied Saltator | Rufous-bellied Saltator |
| Saltator similis | Green-winged Saltator | Green-winged Saltator |
| Saltatricula multicolor | Many-coloured Chaco Finch | Many-colored Chaco-Finch |
| Sapayoa aenigma | Broad-billed Manakin | Broad-billed Sapayoa |
| Sapheopipo noguchii | Okinawan Woodpecker | Okinawa Woodpecker |
| Sappho sparganura | Red-tailed Comet | Red-tailed Comet |
| Sarcops calvus | Bald Starling | Coleto |
| Sarcoramphus papa | King Vulture | King Vulture |
| Sarkidiornis melanotos | Comb Duck | Comb Duck |
| Saroglossa aurata | Madagascar Starling | Madagascar Starling |
| Saroglossa spiloptera | Spot-winged Starling | Spot-winged Starling |
| Sasia abnormis | Rufous Piculet | Rufous Piculet |
| Sasia africana | African Piculet | African Piculet |
| Sasia ochracea | White-browed Piculet | White-browed Piculet |
| Satrapa icterophrys | Yellow-browed Tyrant | Yellow-browed Tyrant |
| Saurothera longirostris | Hispaniolan Lizard Cuckoo | Hispaniolan Lizard-Cuckoo |
| Saurothera merlini | Great Lizard Cuckoo | Great Lizard-Cuckoo |
| Saurothera vetula | Jamaican Lizard Cuckoo | Jamaican Lizard-Cuckoo |
| Saurothera vieilloti | Puerto Rican Lizard Cuckoo | Puerto Rican Lizard-Cuckoo |
| Saxicola bifasciata | Buff-streaked Chat | Buff-streaked Chat |
| Saxicola caprata | Pied Stonechat | Pied Bushchat |
| Saxicola dacotiae | Canary Islands Chat | Canary Islands Chat |
| Saxicola ferrea | Grey Bushchat | Grey Bushchat |
| Saxicola gutturalis | White-bellied Bushchat | White-bellied Bushchat |
| Saxicola insignis | Hodgson's Bushchat | White-throated Bushchat |
| Saxicola jerdoni | Jerdon's Bushchat | Jerdon's Bushchat |
| Saxicola leucura | White-tailed Stonechat | White-tailed Stonechat |
| Saxicola macrorhyncha | Stoliczka's Bushchat | White-browed Bushchat |
| Saxicola rubetra | Whinchat | Whinchat |
| Saxicola torquata | Common Stonechat | Common Stonechat |
| Saxicoloides fulicata | Black-backed Robin | Indian Robin |
| Sayornis nigricans | Black Phoebe | Black Phoebe |
| Sayornis phoebe | Eastern Phoebe | Eastern Phoebe |
| Sayornis saya | Say's Phoebe | Say's Phoebe |
| Scaphidura oryzivora | Giant Cowbird | Giant Cowbird |
| Sceloglaux albifacies | White-faced Owl | Laughing Owl |
| Scelorchilus albicollis | White-throated Tapaculo | White-throated Tapaculo |
| Scelorchilus rubecula | Chucao Tapaculo | Chucao Tapaculo |
| Schetba rufa | Rufous Vanga | Rufous Vanga |
| Schiffornis major | Greater Manakin | Greater Schiffornis |
| Schiffornis turdinus | Thrush-like Manakin | Thrush-like Schiffornis |
| Schiffornis virescens | Greenish Manakin | Greenish Schiffornis |
| Schistochlamys melanopis | Black-faced Tanager | Black-faced Tanager |
| Schistochlamys ruficapillus | Cinnamon Tanager | Cinnamon Tanager |
| Schizoeaca coryi | Ochre-browed Thistletail | Ochre-browed Thistletail |
| Schizoeaca fuliginosa | White-chinned Thistletail | White-chinned Thistletail |
| Schizoeaca griseomurina | Mouse-coloured Thistletail | Mouse-colored Thistletail |
| Schizoeaca harterti | Black-throated Thistletail | Black-throated Thistletail |
| Schizoeaca helleri | Puna Thistletail | Puna Thistletail |
| Schizoeaca moreirae | Itatiaia Thistletail | Itatiaia Thistletail |
| Schizoeaca palpebralis | Eye-ringed Thistletail | Eye-ringed Thistletail |
| Schizoeaca perijana | Perija Thistletail | Perija Thistletail |
| Schoenicola brevirostris | Fan-tailed Grassbird | Fan-tailed Grassbird |
| Schoenicola platyura | Broad-tailed Grassbird | Broad-tailed Grassbird |
| Schoeniophylax phryganophila | Chotoy Spinetail | Chotoy Spinetail |
| Schoutedenapus myoptilus | Scarce Swift | Scarce Swift |
| Schoutedenapus schoutedeni | Schouteden's Swift | Schouteden's Swift |
| Scissirostrum dubium | Grosbeak Starling | Finch-billed Myna |
| Sclateria naevia | Silvered Antcatcher | Silvered Antbird |
| Sclerurus albigularis | Grey-throated Leafscraper | Grey-throated Leaftosser |
| Sclerurus caudacutus | Black-tailed Leafscraper | Black-tailed Leaftosser |
| Sclerurus guatemalensis | Scaly-throated Leafscraper | Scaly-throated Leaftosser |
| Sclerurus mexicanus | Tawny-throated Leafscraper | Tawny-throated Leaftosser |
| Sclerurus rufigularis | Short-billed Leafscraper | Short-billed Leaftosser |
| Sclerurus scansor | Rufous-breasted Leafscraper | Rufous-breasted Leaftosser |
| Scolopax celebensis | Sulawesi Woodcock | Sulawesi Woodcock |
| Scolopax minor | American Woodcock | American Woodcock |
| Scolopax mira | Amami Woodcock | Amami Woodcock |
| Scolopax rochussenii | Obi Woodcock | Moluccan Woodcock |
| Scolopax rusticola | Eurasian Woodcock | Eurasian Woodcock |
| Scolopax saturata | Rufous Woodcock | Rufous Woodcock |
| Scopus umbretta | Hammerkop | Hamerkop |
| Scotocerca inquieta | Streaked Scrub Warbler | Streaked Scrub-Warbler |
| Scotopelia bouvieri | Vermiculated Fishing Owl | Vermiculated Fishing-Owl |
| Scotopelia peli | Pel's Fishing Owl | Pel's Fishing-Owl |
| Scotopelia ussheri | Rufous Fishing Owl | Rufous Fishing-Owl |
| Scytalopus argentifrons | Silvery-fronted Tapaculo | Silvery-fronted Tapaculo |
| Scytalopus femoralis | Rufous-vented Tapaculo | Rufous-vented Tapaculo |
| Scytalopus indigoticus | White-breasted Tapaculo | White-breasted Tapaculo |
| Scytalopus latebricola | Brown-rumped Tapaculo | Brown-rumped Tapaculo |
| Scytalopus macropus | Large-footed Tapaculo | Large-footed Tapaculo |
| Scytalopus magellanicus | Andean Tapaculo | Andean Tapaculo |
| Scytalopus novacapitalis | Brasilia Tapaculo | Brasilia Tapaculo |
| Scytalopus panamensis | Pale-throated Tapaculo | Tacarcuna Tapaculo |
| Scytalopus psychopompus | Chestnut-sided Tapaculo | Chestnut-sided Tapaculo |
| Scytalopus speluncae | Mouse-coloured Tapaculo | Mouse-colored Tapaculo |
| Scytalopus superciliaris | White-browed Tapaculo | White-browed Tapaculo |
| Scytalopus unicolor | Unicoloured Tapaculo | Unicolored Tapaculo |
| Scytalopus vicinior | Narino Tapaculo | Narino Tapaculo |
| Scythrops novaehollandiae | Channel-billed Cuckoo | Channel-billed Cuckoo |
| Seicercus affinis | Allied Flycatcher Warbler | White-spectacled Warbler |
| Seicercus burkii | Yellow-eyed Flycatcher Warbler | Golden-spectacled Warbler |
| Seicercus castaniceps | Chestnut-headed Flycatcher Warbler | Chestnut-crowned Warbler |
| Seicercus grammiceps | Sunda Flycatcher Warbler | Sunda Warbler |
| Seicercus montis | Yellow-breasted Flycatcher Warbler | Yellow-breasted Warbler |
| Seicercus poliogenys | Grey-cheeked Flycatcher Warbler | Grey-cheeked Warbler |
| Seicercus xanthoschistos | Grey-headed Flycatcher Warbler | Grey-hooded Warbler |
| Seiurus aurocapillus | Ovenbird | Ovenbird |
| Seiurus motacilla | Louisiana Water-thrush | Louisiana Waterthrush |
| Seiurus noveboracensis | Northern Water-thrush | Northern Waterthrush |
| Selasphorus ardens | Glow-throated Hummingbird | Glow-throated Hummingbird |
| Selasphorus flammula | Volcano Hummingbird | Volcano Hummingbird |
| Selasphorus platycercus | Broad-tailed Hummingbird | Broad-tailed Hummingbird |
| Selasphorus rufus | Rufous Hummingbird | Rufous Hummingbird |
| Selasphorus sasin | Allen's Hummingbird | Allen's Hummingbird |
| Selasphorus scintilla | Scintillant Hummingbird | Scintillant Hummingbird |
| Selenidera culik | Guianan Toucanet | Guianan Toucanet |
| Selenidera gouldii | Gould's Toucanet | Gould's Toucanet |
| Selenidera maculirostris | Spot-billed Toucanet | Spot-billed Toucanet |
| Selenidera nattereri | Tawny-tufted Toucanet | Tawny-tufted Toucanet |
| Selenidera reinwardtii | Golden-collared Toucanet | Golden-collared Toucanet |
| Selenidera spectabilis | Yellow-eared Toucanet | Yellow-eared Toucanet |
| Seleucidis melanoleuca | Twelve-wired Bird of Paradise | Twelve-wired Bird-of-paradise |
| Semnornis frantzii | Prong-billed Barbet | Prong-billed Barbet |
| Semnornis ramphastinus | Toucan Barbet | Toucan Barbet |
| Sephanoides fernandensis | Juan Fernandez Firecrown | Juan Fernandez Firecrown |
| Sephanoides sephaniodes | Green-backed Firecrown | Green-backed Firecrown |
| Sericornis arfakianus | Grey-green Sericornis | Grey-green Scrubwren |
| Sericornis beccarii | Little Sericornis | Beccari's Scrubwren |
| Sericornis citreogularis | Yellow-throated Sericornis | Yellow-throated Scrubwren |
| Sericornis frontalis | White-browed Sericornis | White-browed Scrubwren |
| Sericornis humilis | Tasmanian Sericornis | Brown Scrubwren |
| Sericornis keri | Atherton Sericornis | Atherton Scrubwren |
| Sericornis magnirostris | Large-billed Sericornis | Large-billed Scrubwren |
| Sericornis nouhuysi | Large Mountain Sericornis | Large Scrubwren |
| Sericornis papuensis | Papuan Sericornis | Papuan Scrubwren |
| Sericornis perspicillatus | Buff-faced Sericornis | Buff-faced Scrubwren |
| Sericornis rufescens | Arfak Buff-faced Sericornis | Vogelkop Scrubwren |
| Sericornis spilodera | Pale-billed Sericornis | Pale-billed Scrubwren |
| Sericossypha albocristata | White-capped Tanager | White-capped Tanager |
| Sericulus aureus | Flamed Bowerbird | Flame Bowerbird |
| Sericulus bakeri | Adelbert Bowerbird | Fire-maned Bowerbird |
| Sericulus chrysocephalus | Regent Bowerbird | Regent Bowerbird |
| Serilophus lunatus | Silver-breasted Broadbill | Silver-breasted Broadbill |
| Serinus alario | Black-headed Canary | Black-headed Canary |
| Serinus albogularis | White-throated Seedeater | White-throated Canary |
| Serinus ankoberensis | Ankober Serin | Ankober Serin |
| Serinus atrogularis | Yellow-rumped Seedeater | Southern Yellow-rumped Seedeater |
| Serinus burtoni | Thick-billed Seedeater | Thick-billed Seedeater |
| Serinus canaria | Island Canary | Island Canary |
| Serinus canicollis | Yellow-crowned Canary | Cape Canary |
| Serinus capistratus | Black-faced Canary | Black-faced Canary |
| Serinus citrinella | Citril Finch | Citril Finch |
| Serinus citrinelloides | African Citril Finch | African Citril |
| Serinus citrinipectus | Lemon-breasted Seedeater | Lemon-breasted Seedeater |
| Serinus donaldsoni | Grosbeak Canary | Abyssinian Grosbeak-Canary |
| Serinus dorsostriatus | White-bellied Canary | White-bellied Canary |
| Serinus estherae | Malay Goldfinch | Mountain Serin |
| Serinus flavigula | Yellow-throated Seedeater | Yellow-throated Seedeater |
| Serinus flaviventris | Yellow Canary | Yellow Canary |
| Serinus gularis | Streaky-headed Seedeater | Streaky-headed Seedeater |
| Serinus koliensis | Papyrus Canary | Papyrus Canary |
| Serinus leucopterus | White-winged Seedeater | White-winged Seedeater |
| Serinus leucopygius | White-rumped Seedeater | White-rumped Seedeater |
| Serinus menachensis | Yemen Serin | Yemen Serin |
| Serinus mennelli | Black-eared Seedeater | Black-eared Seedeater |
| Serinus mozambicus | Yellow-fronted Canary | Yellow-fronted Canary |
| Serinus nigriceps | Black-headed Siskin | Abyssinian Siskin |
| Serinus pusillus | Red-fronted Serin | Fire-fronted Serin |
| Serinus reichardi | Stripe-breasted Seedeater | Reichard's Seedeater |
| Serinus rufobrunneus | Principe Seedeater | Principe Seedeater |
| Serinus scotops | Forest Canary | Forest Canary |
| Serinus serinus | European Serin | European Serin |
| Serinus striolatus | Streaky Seedeater | Streaky Seedeater |
| Serinus sulphuratus | Brimstone Canary | Brimstone Canary |
| Serinus symonsi | Drakensberg Siskin | Drakensberg Siskin |
| Serinus syriacus | Syrian Serin | Syrian Serin |
| Serinus thibetanus | Tibetan Serin | Tibetan Serin |
| Serinus tristriatus | Brown-rumped Seedeater | Brown-rumped Seedeater |
| Serpophaga cinerea | Torrent Tyrannulet | Torrent Tyrannulet |
| Serpophaga hypoleuca | River Tyrannulet | River Tyrannulet |
| Serpophaga nigricans | Sooty Tyrannulet | Sooty Tyrannulet |
| Serpophaga subcristata | White-crested Tyrannulet | White-crested Tyrannulet |
| Setophaga ruticilla | American Redstart | American Redstart |
| Setornis criniger | Long-billed Bulbul | Hook-billed Bulbul |
| Sheppardia aequatorialis | Jackson's Akelat | Equatorial Akalat |
| Sheppardia bocagei | Bocage's Akelat | Bocage's Akalat |
| Sheppardia cyornithopsis | Lowland Akelat | Lowland Akalat |
| Sheppardia gabela | Gabela Akelat | Gabela Akalat |
| Sheppardia gunningi | East Coast Akelat | East Coast Akalat |
| Sheppardia lowei | Iringa Akelat | Iringa Akalat |
| Sheppardia montana | Usambara Akelat | Usambara Akalat |
| Sheppardia sharpei | Sharpe's Akelat | Sharpe's Akalat |
| Sialia currucoides | Mountain Bluebird | Mountain Bluebird |
| Sialia mexicana | Western Bluebird | Western Bluebird |
| Sialia sialis | Eastern Bluebird | Eastern Bluebird |
| Sicalis auriventris | Greater Yellow Finch | Greater Yellow-Finch |
| Sicalis citrina | Stripe-tailed Yellow Finch | Stripe-tailed Yellow-Finch |
| Sicalis columbiana | Orange-fronted Yellow Finch | Orange-fronted Yellow-Finch |
| Sicalis flaveola | Saffron Finch | Saffron Finch |
| Sicalis lebruni | Patagonian Yellow Finch | Patagonian Yellow-Finch |
| Sicalis lutea | Puna Yellow Finch | Puna Yellow-Finch |
| Sicalis luteocephala | Citron-headed Yellow Finch | Citron-headed Yellow-Finch |
| Sicalis luteola | Grassland Yellow Finch | Grassland Yellow-Finch |
| Sicalis olivascens | Greenish Yellow Finch | Greenish Yellow-Finch |
| Sicalis raimondii | Raimondi's Yellow Finch | Raimondi's Yellow-Finch |
| Sicalis taczanowskii | Sulphur-breasted Finch | Sulphur-throated Finch |
| Sicalis uropygialis | Bright-rumped Yellow Finch | Bright-rumped Yellow-Finch |
| Silvicultrix diadema | Yellow-bellied Chat Tyrant | Yellow-bellied Chat-Tyrant |
| Silvicultrix frontalis | Crowned Chat Tyrant | Crowned Chat-Tyrant |
| Silvicultrix jelskii | Jelski's Chat Tyrant | Jelski's Chat-Tyrant |
| Silvicultrix pulchella | Golden-browed Chat Tyrant | Golden-browed Chat-Tyrant |
| Siphonorhis brewsteri | Least Pauraque | Least Poorwill |
| Siptornis striaticollis | Spectacled Prickletail | Spectacled Prickletail |
| Sirystes sibilator | Sirystes | Sirystes |
| Sitta azurea | Azure Nuthatch | Blue Nuthatch |
| Sitta canadensis | Red-breasted Nuthatch | Red-breasted Nuthatch |
| Sitta carolinensis | White-breasted Nuthatch | White-breasted Nuthatch |
| Sitta castanea | Chestnut-bellied Nuthatch | Chestnut-bellied Nuthatch |
| Sitta europaea | Eurasian Nuthatch | Wood Nuthatch |
| Sitta formosa | Beautiful Nuthatch | Beautiful Nuthatch |
| Sitta frontalis | Velvet-fronted Nuthatch | Velvet-fronted Nuthatch |
| Sitta himalayensis | White-tailed Nuthatch | White-tailed Nuthatch |
| Sitta krueperi | Kruper's Nuthatch | Krueper's Nuthatch |
| Sitta ledanti | Kabylie Nuthatch | Kabylie Nuthatch |
| Sitta leucopsis | White-cheeked Nuthatch | White-cheeked Nuthatch |
| Sitta magna | Giant Nuthatch | Giant Nuthatch |
| Sitta neumayer | Rock Nuthatch | Western Rock-Nuthatch |
| Sitta pusilla | Brown-headed Nuthatch | Brown-headed Nuthatch |
| Sitta pygmaea | Pygmy Nuthatch | Pygmy Nuthatch |
| Sitta solangiae | Lilac Nuthatch | Yellow-billed Nuthatch |
| Sitta tephronota | Eastern Rock Nuthatch | Eastern Rock-Nuthatch |
| Sitta victoriae | White-browed Nuthatch | White-browed Nuthatch |
| Sitta villosa | Chinese Nuthatch | Snowy-browed Nuthatch |
| Sitta whiteheadi | Corsican Nuthatch | Corsican Nuthatch |
| Sitta yunnanensis | Yunnan Nuthatch | Yunnan Nuthatch |
| Sittasomus griseicapillus | Olivaceous Woodcreeper | Olivaceous Woodcreeper |
| Skutchia borbae | Pale-faced Bare-eye | Pale-faced Bare-eye |
| Smicrornis brevirostris | Weebill | Weebill |
| Smithornis capensis | African Broadbill | African Broadbill |
| Smithornis rufolateralis | Rufous-sided Broadbill | Rufous-sided Broadbill |
| Smithornis sharpei | Grey-headed Broadbill | Grey-headed Broadbill |
| Somateria fischeri | Spectacled Eider | Spectacled Eider |
| Somateria mollissima | Common Eider | Common Eider |
| Somateria spectabilis | King Eider | King Eider |
| Spartonoica maluroides | Bay-capped Wren Spinetail | Bay-capped Wren-Spinetail |
| Speculipastor bicolor | Magpie Starling | Magpie Starling |
| Speirops lugubris | Black-capped Speirops | Black-capped Speirops |
| Spelaeornis badeigularis | Mishmi Wren Babbler | Rusty-throated Wren-Babbler |
| Spelaeornis caudatus | Short-tailed Wren Babbler | Rufous-throated Wren-Babbler |
| Spelaeornis chocolatinus | Godwin-Austin's Wren Babbler | Long-tailed Wren-Babbler |
| Spelaeornis formosus | Spotted Wren Babbler | Spotted Wren-Babbler |
| Spelaeornis longicaudatus | Long-tailed Wren Babbler | Tawny-breasted Wren-Babbler |
| Spelaeornis troglodytoides | Bar-winged Wren Babbler | Bar-winged Wren-Babbler |
| Spermophaga haematina | Western Bluebill | Western Bluebill |
| Spermophaga poliogenys | Grant's Bluebill | Grant's Bluebill |
| Spermophaga ruficapilla | Red-headed Bluebill | Red-headed Bluebill |
| Sphecotheres viridis | Figbird | Green Figbird |
| Spheniscus demersus | Jackass Penguin | Jackass Penguin |
| Spheniscus humboldti | Humboldt Penguin | Humboldt Penguin |
| Spheniscus magellanicus | Magellanic Penguin | Magellanic Penguin |
| Spheniscus mendiculus | Galapagos Penguin | Galapagos Penguin |
| Sphenocichla humei | Wedge-billed Wren Babbler | Wedge-billed Wren-Babbler |
| Sphenoeacus afer | Cape Grassbird | Cape Grass-Warbler |
| Sphyrapicus nuchalis | Red-naped Sapsucker | Red-naped Sapsucker |
| Sphyrapicus ruber | Red-breasted Sapsucker | Red-breasted Sapsucker |
| Sphyrapicus thyroideus | Williamson's Sapsucker | Williamson's Sapsucker |
| Sphyrapicus varius | Yellow-bellied Sapsucker | Yellow-bellied Sapsucker |
| Spiloptila clamans | Cricket Warbler | Cricket Longtail |
| Spilornis cheela | Crested Serpent Eagle | Crested Serpent-Eagle |
| Spilornis elgini | Andaman Serpent Eagle | Andaman Serpent-Eagle |
| Spilornis kinabaluensis | Kinabalu Serpent Eagle | Mountain Serpent-Eagle |
| Spilornis minimus | Nicobar Serpent Eagle | Nicobar Serpent-Eagle |
| Spilornis rufipectus | Sulawesi Serpent Eagle | Sulawesi Serpent-Eagle |
| Spindalis zena | Stripe-headed Tanager | Stripe-headed Tanager |
| Spiza americana | Dickcissel | Dickcissel |
| Spizaetus africanus | Cassin's Hawk Eagle | Cassin's Hawk-Eagle |
| Spizaetus alboniger | Blyth's Hawk Eagle | Blyth's Hawk-Eagle |
| Spizaetus bartelsi | Java Hawk Eagle | Javan Hawk-Eagle |
| Spizaetus cirrhatus | Crested Hawk Eagle | Changeable Hawk-Eagle |
| Spizaetus lanceolatus | Sulawesi Hawk Eagle | Sulawesi Hawk-Eagle |
| Spizaetus nanus | Wallace's Hawk Eagle | Wallace's Hawk-Eagle |
| Spizaetus nipalensis | Hodgson's Hawk Eagle | Mountain Hawk-Eagle |
| Spizaetus ornatus | Ornate Hawk Eagle | Ornate Hawk-Eagle |
| Spizaetus philippensis | Philippine Hawk Eagle | Philippine Hawk-Eagle |
| Spizaetus tyrannus | Black Hawk Eagle | Black Hawk-Eagle |
| Spizastur melanoleucus | Black & White Hawk Eagle | Black-and-White Hawk-Eagle |
| Spizella arborea | American Tree Sparrow | American Tree Sparrow |
| Spizella atrogularis | Black-chinned Sparrow | Black-chinned Sparrow |
| Spizella breweri | Brewer's Sparrow | Brewer's Sparrow |
| Spizella pallida | Clay-coloured Sparrow | Clay-colored Sparrow |
| Spizella passerina | Chipping Sparrow | Chipping Sparrow |
| Spizella pusilla | Field Sparrow | Field Sparrow |
| Spizella wortheni | Worthen's Sparrow | Worthen's Sparrow |
| Spiziapteryx circumcinctus | Spot-winged Falconet | Spot-winged Falconet |
| Spizixos canifrons | Crested Finchbill | Crested Finchbill |
| Spizixos semitorques | Collared Finchbill | Collared Finchbill |
| Spizocorys conirostris | Pink-billed Lark | Pink-billed Lark |
| Spizocorys obbiensis | Obbia Lark | Obbia Lark |
| Spizocorys personata | Masked Lark | Masked Lark |
| Spizocorys sclateri | Sclater's Lark | Sclater's Lark |
| Sporophila albogularis | White-throated Seedeater | White-throated Seedeater |
| Sporophila americana | Wing-barred Seedeater | Variable Seedeater |
| Sporophila ardesiaca | Dubois' Seedeater | Dubois's Seedeater |
| Sporophila bouvreuil | Capped Seedeater | Capped Seedeater |
| Sporophila caerulescens | Double-collared Seedeater | Double-collared Seedeater |
| Sporophila castaneiventris | Chestnut-bellied Seedeater | Chestnut-bellied Seedeater |
| Sporophila cinnamomea | Chestnut Seedeater | Chestnut Seedeater |
| Sporophila collaris | Rusty-collared Seedeater | Rusty-collared Seedeater |
| Sporophila falcirostris | Temminck's Seedeater | Temminck's Seedeater |
| Sporophila frontalis | Buffy-throated Seedeater | Buffy-fronted Seedeater |
| Sporophila hypochroma | Rufous-naped Seedeater | Grey-and-chestnut Seedeater |
| Sporophila hypoxantha | Tawny-bellied Seedeater | Tawny-bellied Seedeater |
| Sporophila insulata | Tumaco Seedeater | Tumaco Seedeater |
| Sporophila intermedia | Grey Seedeater | Grey Seedeater |
| Sporophila leucoptera | White-bellied Seedeater | White-bellied Seedeater |
| Sporophila lineola | Lined Seedeater | Lined Seedeater |
| Sporophila luctuosa | Black & White Seedeater | Black-and-white Seedeater |
| Sporophila melanogaster | Black-bellied Seedeater | Black-bellied Seedeater |
| Sporophila melanops | Hooded Seedeater | Hooded Seedeater |
| Sporophila minuta | Ruddy-breasted Seedeater | Ruddy-breasted Seedeater |
| Sporophila nigricollis | Yellow-bellied Seedeater | Yellow-bellied Seedeater |
| Sporophila nigrorufa | Black & Tawny Seedeater | Black-and-tawny Seedeater |
| Sporophila palustris | Marsh Seedeater | Marsh Seedeater |
| Sporophila peruviana | Parrot-billed Seedeater | Parrot-billed Seedeater |
| Sporophila plumbea | Plumbeous Seedeater | Plumbeous Seedeater |
| Sporophila ruficollis | Dark-throated Seedeater | Dark-throated Seedeater |
| Sporophila schistacea | Slate-coloured Seedeater | Slate-colored Seedeater |
| Sporophila simplex | Drab Seedeater | Drab Seedeater |
| Sporophila telasco | Chestnut-throated Seedeater | Chestnut-throated Seedeater |
| Sporophila torqueola | White-collared Seedeater | White-collared Seedeater |
| Sporopipes frontalis | Speckle-fronted Weaver | Speckle-fronted Weaver |
| Sporopipes squamifrons | Scaly Weaver | Scaly Weaver |
| Spreo albicapillus | White-crowned Starling | White-crowned Starling |
| Spreo bicolor | Pied Starling | African Pied Starling |
| Spreo fischeri | Fischer's Starling | Fischer's Starling |
| Stachyris ambigua | Buff-chested Babbler | Buff-chested Babbler |
| Stachyris capitalis | Rufous-crowned Tree Babbler | Rusty-crowned Babbler |
| Stachyris chrysaea | Golden-headed Tree Babbler | Golden Babbler |
| Stachyris erythroptera | Chestnut-winged Tree Babbler | Chestnut-winged Babbler |
| Stachyris grammiceps | White-breasted Tree Babbler | White-breasted Babbler |
| Stachyris herberti | Sooty Tree Babbler | Sooty Babbler |
| Stachyris hypogrammica | Palawan Tree Babbler | Palawan Striped-Babbler |
| Stachyris latistriata | Panay Striped Babbler | Panay Striped-Babbler |
| Stachyris leucotis | White-necked Tree Babbler | White-necked Babbler |
| Stachyris maculata | Chestnut-rumped Tree Babbler | Chestnut-rumped Babbler |
| Stachyris melanothorax | Pearl-cheeked Tree Babbler | Crescent-chested Babbler |
| Stachyris nigriceps | Black-throated Tree Babbler | Grey-throated Babbler |
| Stachyris nigricollis | Black-throated Tree Babbler | Black-throated Babbler |
| Stachyris nigrorum | Negros Tree Babbler | Negros Striped-Babbler |
| Stachyris oglei | Austen's Spotted Tree Babbler | Snowy-throated Babbler |
| Stachyris plateni | Pygmy Tree Babbler | Pygmy Babbler |
| Stachyris poliocephala | Grey-headed Tree Babbler | Grey-headed Babbler |
| Stachyris pyrrhops | Red-billed Tree Babbler | Black-chinned Babbler |
| Stachyris rodolphei | Deignan's Babbler | Deignan's Babbler |
| Stachyris ruficeps | Red-headed Tree Babbler | Rufous-capped Babbler |
| Stachyris rufifrons | Red-fronted Tree Babbler | Rufous-fronted Babbler |
| Stachyris speciosa | Rough-templed Tree Babbler | Flame-templed Babbler |
| Stachyris striata | Striped Tree Babbler | Luzon Striped-Babbler |
| Stachyris striolata | Spot-necked Tree Babbler | Spot-necked Babbler |
| Stachyris thoracica | White-collared Tree Babbler | White-bibbed Babbler |
| Stachyris whiteheadi | Whitehead's Tree Babbler | Chestnut-faced Babbler |
| Stactolaema anchietae | Anchieta's Barbet | Anchieta's Barbet |
| Stactolaema whytii | Whyte's Barbet | Whyte's Barbet |
| Starnoenas cyanocephala | Blue-headed Quail Dove | Blue-headed Quail-Dove |
| Steatornis caripensis | Oilbird | Oilbird |
| Stelgidopteryx ruficollis | Southern Rough-winged Swallow | Southern Rough-winged Swallow |
| Stelgidopteryx serripennis | Northern Rough-winged Swallow | Northern Rough-winged Swallow |
| Stellula calliope | Calliope Hummingbird | Calliope Hummingbird |
| Stenostira scita | Fairy Flycatcher | Fairy Warbler |
| Stephanophorus diadematus | Diademed Tanager | Diademed Tanager |
| Stephanoxis lalandi | Black-breasted Plovercrest | Plovercrest |
| Stercorarius longicaudus | Long-tailed Skua | Long-tailed Jaeger |
| Stercorarius parasiticus | Arctic Skua | Parasitic Jaeger |
| Stercorarius pomarinus | Pomarine Skua | Pomarine Jaeger |
| Sterna albifrons | Little Tern | Little Tern |
| Sterna aleutica | Aleutian Tern | Aleutian Tern |
| Sterna anaethetus | Bridled Tern | Bridled Tern |
| Sterna antillarum | Least Tern | Least Tern |
| Sterna aurantia | Indian River Tern | River Tern |
| Sterna balaenarum | Damara Tern | Damara Tern |
| Sterna dougallii | Roseate Tern | Roseate Tern |
| Sterna forsteri | Forster's Tern | Forster's Tern |
| Sterna fuscata | Sooty Tern | Sooty Tern |
| Sterna hirundinacea | South American Tern | South American Tern |
| Sterna hirundo | Common Tern | Common Tern |
| Sterna lorata | Chilean Tern | Peruvian Tern |
| Sterna lunata | Spectacled Tern | Grey-backed Tern |
| Sterna nereis | Fairy Tern | Fairy Tern |
| Sterna paradisaea | Arctic Tern | Arctic Tern |
| Sterna repressa | White-cheeked Tern | White-cheeked Tern |
| Sterna striata | White-fronted Tern | White-fronted Tern |
| Sterna sumatrana | Black-naped Tern | Black-naped Tern |
| Sterna superciliaris | Amazon Tern | Yellow-billed Tern |
| Sterna trudeaui | Trudeau's Tern | Snowy-crowned Tern |
| Sterna virgata | Kerguelen Tern | Kerguelen Tern |
| Sterna vittata | Antarctic Tern | Antarctic Tern |
| Sternoclyta cyanopectus | Violet-chested Hummingbird | Violet-chested Hummingbird |
| Stictonetta naevosa | Freckled Duck | Freckled Duck |
| Stigmatura budytoides | Greater Wagtail Tyrant | Greater Wagtail-Tyrant |
| Stigmatura napensis | Lesser Wagtail Tyrant | Lesser Wagtail-Tyrant |
| Stiltia isabella | Australian Pratincole | Australian Pratincole |
| Stiphrornis erythrothorax | Forest Robin | Forest Robin |
| Stipiturus malachurus | Southern Emu Wren | Southern Emuwren |
| Stipiturus mallee | Mallee Emu Wren | Mallee Emuwren |
| Stipiturus ruficeps | Rufous-crowned Emu Wren | Rufous-crowned Emuwren |
| Strepera fuliginosa | Black Currawong | Black Currawong |
| Strepera graculina | Pied Currawong | Pied Currawong |
| Strepera versicolor | Grey Currawong | Grey Currawong |
| Streptocitta albertinae | Sula Magpie | Bare-eyed Myna |
| Streptocitta albicollis | Sulawesi Magpie | White-necked Myna |
| Streptopelia bitorquata | Javanese Collared Dove | Island Collared-Dove |
| Streptopelia capicola | Ring-necked Dove | Ring-necked Dove |
| Streptopelia chinensis | Spotted-necked Dove | Spotted Dove |
| Streptopelia decaocto | Collared Dove | Eurasian Collared-Dove |
| Streptopelia decipiens | Mourning Collared Dove | Mourning Collared-Dove |
| Streptopelia hypopyrrha | Pink-bellied Turtle Dove | Adamawa Turtle-Dove |
| Streptopelia lugens | Dusky Turtle Dove | Dusky Turtle-Dove |
| Streptopelia orientalis | Eastern Turtle Dove | Oriental Turtle-Dove |
| Streptopelia reichenowi | White-winged Collared Dove | White-winged Collared-Dove |
| Streptopelia roseogrisea | African Collared Dove | African Collared-Dove |
| Streptopelia semitorquata | Red-eyed Dove | Red-eyed Dove |
| Streptopelia senegalensis | Laughing Dove | Laughing Dove |
| Streptopelia tranquebarica | Red Collared Dove | Red Collared-Dove |
| Streptopelia turtur | Turtle Dove | European Turtle-Dove |
| Streptopelia vinacea | Vinaceous Dove | Vinaceous Dove |
| Streptoprocne semicollaris | White-naped Swift | White-naped Swift |
| Streptoprocne zonaris | White-collared Swift | White-collared Swift |
| Strigops habroptilus | Kakapo | Kakapo |
| Strix albitarsus | Rufous-banded Owl | Rufous-banded Owl |
| Strix aluco | Eurasian Tawny Owl | Tawny Owl |
| Strix butleri | Hume's Owl | Hume's Owl |
| Strix fulvescens | Fulvous Owl | Fulvous Owl |
| Strix huhula | Black-banded Owl | Black-banded Owl |
| Strix hylophila | Rusty-barred Owl | Rusty-barred Owl |
| Strix leptogrammica | Brown Wood Owl | Brown Wood-Owl |
| Strix nebulosa | Great Grey Owl | Great Grey Owl |
| Strix nigrolineata | Black & White Owl | Black-and-white Owl |
| Strix occidentalis | Spotted Owl | Spotted Owl |
| Strix ocellata | Mottled Wood Owl | Mottled Wood-Owl |
| Strix rufipes | Rufous-legged Owl | Rufous-legged Owl |
| Strix seloputo | Spotted Wood Owl | Spotted Wood-Owl |
| Strix uralensis | Ural Owl | Ural Owl |
| Strix varia | Barred Owl | Barred Owl |
| Strix virgata | Mottled Owl | Mottled Owl |
| Strix woodfordii | African Wood Owl | African Wood-Owl |
| Struthidea cinerea | Apostle Bird | Apostlebird |
| Struthio camelus | Ostrich | Ostrich |
| Sturnella bellicosa | Peruvian Red-breasted Meadowlark | Peruvian Meadowlark |
| Sturnella lilianae | Lilian's Meadowlark | Lilian's Meadowlark |
| Sturnella loyca | Long-tailed Meadowlark | Long-tailed Meadowlark |
| Sturnella magna | Eastern Meadowlark | Eastern Meadowlark |
| Sturnella militaris | Red-breasted Blackbird | Pampas Meadowlark |
| Sturnella neglecta | Western Meadowlark | Western Meadowlark |
| Sturnus burmannicus | Jerdon's Starling | Vinous-breasted Starling |
| Sturnus cineraceus | Grey Starling | White-cheeked Starling |
| Sturnus contra | Asian Pied Starling | Asian Pied Starling |
| Sturnus erythropygius | White-headed Starling | White-headed Starling |
| Sturnus malabaricus | Ashy-headed Starling | Chestnut-tailed Starling |
| Sturnus melanopterus | Black-winged Starling | Black-winged Starling |
| Sturnus nigricollis | Black-collared Starling | Black-collared Starling |
| Sturnus pagodarum | Black-headed Starling | Brahminy Starling |
| Sturnus philippensis | Violet-backed Starling | Chestnut-cheeked Starling |
| Sturnus roseus | Rose-coloured Starling | Rosy Starling |
| Sturnus senex | Ceylon White-headed Starling | White-faced Starling |
| Sturnus sericeus | Silky Starling | Red-billed Starling |
| Sturnus sinensis | Chinese Starling | White-shouldered Starling |
| Sturnus sturninus | Daurian Starling | Purple-backed Starling |
| Sturnus unicolor | Spotless Starling | Spotless Starling |
| Sturnus vulgaris | Common Starling | Common Starling |
| Sublegatus modestus | Scrub Flycatcher | Southern Scrub-Flycatcher |
| Sublegatus obscurior | Dusky Flycatcher | Todd's Scrub-Flycatcher |
| Suiriri suiriri | Suiriri Flycatcher | Chaco Suiriri |
| Sula dactylatra | Blue-faced Booby | Masked Booby |
| Sula leucogaster | Brown Booby | Brown Booby |
| Sula nebouxii | Blue-footed Booby | Blue-footed Booby |
| Sula sula | Red-footed Booby | Red-footed Booby |
| Sula variegata | Peruvian Booby | Peruvian Booby |
| Surnia ulula | Hawk Owl | Northern Hawk Owl |
| Surniculus lugubris | Drongo-Cuckoo | Drongo Cuckoo |
| Swynnertonia swynnertoni | Swynnerton's Bush Robin | Swynnerton's Robin |
| Sylvia althaea | Hume's Lesser Whitethroat | Hume's Whitethroat |
| Sylvia atricapilla | Blackcap | Blackcap |
| Sylvia borin | Garden Warbler | Garden Warbler |
| Sylvia cantillans | Subalpine Warbler | Subalpine Warbler |
| Sylvia communis | Whitethroat | Common Whitethroat |
| Sylvia conspicillata | Spectacled Warbler | Spectacled Warbler |
| Sylvia curruca | Lesser Whitethroat | Lesser Whitethroat |
| Sylvia deserticola | Tristram's Warbler | Tristram's Warbler |
| Sylvia hortensis | Orphean Warbler | Orphean Warbler |
| Sylvia leucomelaena | Red Sea Warbler | Red Sea Warbler |
| Sylvia melanocephala | Sardinian Warbler | Sardinian Warbler |
| Sylvia melanothorax | Cyprus Warbler | Cyprus Warbler |
| Sylvia minula | Desert Lesser Whitethroat | Small Whitethroat |
| Sylvia mystacea | Menetries's Warbler | Menetries's Warbler |
| Sylvia nana | Desert Whitethroat | Desert Warbler |
| Sylvia nisoria | Barred Warbler | Barred Warbler |
| Sylvia rueppelli | Ruppell's Warbler | Rueppell's Warbler |
| Sylvia sarda | Marmora's Warbler | Marmora's Warbler |
| Sylvia undata | Dartford Warbler | Dartford Warbler |
| Sylvietta brachyura | Northern Crombec | Northern Crombec |
| Sylvietta denti | Lemon-bellied Crombec | Lemon-bellied Crombec |
| Sylvietta isabellina | Somali Long-billed Crombec | Somali Crombec |
| Sylvietta leucophrys | White-browed Crombec | White-browed Crombec |
| Sylvietta philippae | Somali Short-billed Crombec | Short-billed Crombec |
| Sylvietta rufescens | Long-billed Crombec | Cape Crombec |
| Sylvietta ruficapilla | Red-capped Crombec | Red-capped Crombec |
| Sylvietta virens | Green Crombec | Green Crombec |
| Sylvietta whytii | Red-faced Crombec | Red-faced Crombec |
| Sylviorthorhynchus desmursii | Des Murs' Wiretail | Des Murs's Wiretail |
| Sylviparus modestus | Yellow-browed Tit | Yellow-browed Tit |
| Synallaxis albescens | Pale-breasted Spinetail | Pale-breasted Spinetail |
| Synallaxis albigularis | Dark-breasted Spinetail | Dark-breasted Spinetail |
| Synallaxis albilora | Ochre-breasted Spinetail | White-lored Spinetail |
| Synallaxis azarae | Azara's Spinetail | Azara's Spinetail |
| Synallaxis brachyura | Slaty Spinetail | Slaty Spinetail |
| Synallaxis cabanisi | Cabanis' Spinetail | Cabanis's Spinetail |
| Synallaxis candei | White-whiskered Spinetail | White-whiskered Spinetail |
| Synallaxis castanea | Black-throated Spinetail | Black-throated Spinetail |
| Synallaxis cherriei | Chestnut-throated Spinetail | Chestnut-throated Spinetail |
| Synallaxis cinerascens | Grey-bellied Spinetail | Grey-bellied Spinetail |
| Synallaxis cinnamomea | Stripe-breasted Spinetail | Stripe-breasted Spinetail |
| Synallaxis courseni | Apurimac Spinetail | Apurimac Spinetail |
| Synallaxis erythrothorax | Rufous-breasted Spinetail | Rufous-breasted Spinetail |
| Synallaxis frontalis | Sooty-fronted Spinetail | Sooty-fronted Spinetail |
| Synallaxis fuscorufa | Santa Marta Spinetail | Rusty-headed Spinetail |
| Synallaxis gujanensis | Plain-crowned Spinetail | Plain-crowned Spinetail |
| Synallaxis hellmayri | Reiser's Spinetail | Red-shouldered Spinetail |
| Synallaxis hypospodia | Cinereous-breasted Spinetail | Cinereous-breasted Spinetail |
| Synallaxis infuscata | Plain Spinetail | Pinto's Spinetail |
| Synallaxis kollari | Hoary-throated Spinetail | Hoary-throated Spinetail |
| Synallaxis macconnelli | McConnell's Spinetail | MacConnell's Spinetail |
| Synallaxis maranonica | Maranon Spinetail | Maranon Spinetail |
| Synallaxis moesta | Dusky Spinetail | Dusky Spinetail |
| Synallaxis propinqua | White-bellied Spinetail | White-bellied Spinetail |
| Synallaxis ruficapilla | Rufous-capped Spinetail | Rufous-capped Spinetail |
| Synallaxis rutilans | Ruddy Spinetail | Ruddy Spinetail |
| Synallaxis spixi | Chicli Spinetail | Chicli Spinetail |
| Synallaxis stictothorax | Necklaced Spinetail | Necklaced Spinetail |
| Synallaxis subpudica | Silvery-throated Spinetail | Silvery-throated Spinetail |
| Synallaxis tithys | Blackish-headed Spinetail | Blackish-headed Spinetail |
| Synallaxis unirufa | Rufous Spinetail | Rufous Spinetail |
| Synallaxis zimmeri | Russet-bellied Spinetail | Russet-bellied Spinetail |
| Synthliboramphus antiquus | Ancient Murrelet | Ancient Murrelet |
| Synthliboramphus wumizusume | Crested Murrelet | Japanese Murrelet |
| Syrigma sibilatrix | Whistling Heron | Whistling Heron |
| Syrmaticus ellioti | Elliot's Pheasant | Elliot's Pheasant |
| Syrmaticus humiae | Mrs Hume's Pheasant | Hume's Pheasant |
| Syrmaticus mikado | Mikado Pheasant | Mikado Pheasant |
| Syrmaticus reevesii | Reeves' Pheasant | Reeves's Pheasant |
| Syrrhaptes paradoxus | Pallas' Sandgrouse | Pallas's Sandgrouse |
| Syrrhaptes tibetanus | Tibetan Sandgrouse | Tibetan Sandgrouse |
| Tachornis furcata | Pygmy Swift | Pygmy Swift |
| Tachornis phoenicobia | Antillean Palm Swift | Antillean Palm-Swift |
| Tachornis squamata | Fork-tailed Palm Swift | Fork-tailed Palm-Swift |
| Tachuris rubrigastra | Many-coloured Rush Tyrant | Many-colored Rush-Tyrant |
| Tachybaptus novaehollandiae | Australian Dabchick | Australasian Grebe |
| Tachybaptus pelzelnii | Madagascar Little Grebe | Madagascar Grebe |
| Tachybaptus ruficollis | Little Grebe | Little Grebe |
| Tachybaptus rufolavatus | Delacour's Little Grebe | Alaotra Grebe |
| Tachycineta albilinea | Mangrove Swallow | Mangrove Swallow |
| Tachycineta albiventer | White-winged Swallow | White-winged Swallow |
| Tachycineta bicolor | Tree Swallow | Tree Swallow |
| Tachycineta cyaneoviridis | Bahama Swallow | Bahama Swallow |
| Tachycineta euchrysea | Golden Swallow | Golden Swallow |
| Tachycineta leucorrhoa | White-rumped Swallow | White-rumped Swallow |
| Tachycineta meyeni | Chilean Swallow | Chilean Swallow |
| Tachycineta thalassina | Violet-green Swallow | Violet-green Swallow |
| Tachyeres brachypterus | Falkland Islands Flightless Steamer Duck | Falkland Steamerduck |
| Tachyeres leucocephalus | White-headed Flightless Steamer Duck | Chubut Steamerduck |
| Tachyeres patachonicus | Flying Steamer Duck | Flying Steamerduck |
| Tachyeres pteneres | Flightless Steamer Duck | Flightless Steamerduck |
| Tachymarptis aequatorialis | Mottled Swift | Mottled Swift |
| Tachymarptis melba | Alpine Swift | Alpine Swift |
| Tachyphonus coronatus | Ruby-crowned Tanager | Ruby-crowned Tanager |
| Tachyphonus cristatus | Flame-crested Tanager | Flame-crested Tanager |
| Tachyphonus delatrii | Tawny-crested Tanager | Tawny-crested Tanager |
| Tachyphonus luctuosus | White-shouldered Tanager | White-shouldered Tanager |
| Tachyphonus phoenicius | Red-shouldered Tanager | Red-shouldered Tanager |
| Tachyphonus rufiventer | Yellow-crested Tanager | Yellow-crested Tanager |
| Tachyphonus rufus | White-lined Tanager | White-lined Tanager |
| Tachyphonus surinamus | Fulvous-crested Tanager | Fulvous-crested Tanager |
| Tadorna cana | South African Shelduck | South African Shelduck |
| Tadorna cristata | Crested Shelduck | Crested Shelduck |
| Tadorna ferruginea | Ruddy Shelduck | Ruddy Shelduck |
| Tadorna radjah | Radjah Shelduck | Radjah Shelduck |
| Tadorna tadorna | Common Shelduck | Common Shelduck |
| Tadorna tadornoides | Australian Shelduck | Australian Shelduck |
| Tadorna variegata | Paradise Shelduck | Paradise Shelduck |
| Talegalla cuvieri | Red-billed Brush Turkey | Red-billed Brush-turkey |
| Talegalla fuscirostris | Black-billed Brush Turkey | Black-billed Brush-turkey |
| Talegalla jobiensis | Brown-collared Brush Turkey | Brown-collared Brush-turkey |
| Tangara argyrofenges | Green-throated Tanager | Straw-backed Tanager |
| Tangara arthus | Golden Tanager | Golden Tanager |
| Tangara cabanisi | Azure-rumped Tanager | Azure-rumped Tanager |
| Tangara callophrys | Opal-crowned Tanager | Opal-crowned Tanager |
| Tangara cayana | Burnished-buff Tanager | Burnished-buff Tanager |
| Tangara chilensis | Paradise Tanager | Paradise Tanager |
| Tangara chrysotis | Golden-eared Tanager | Golden-eared Tanager |
| Tangara cucullata | Lesser Antillean Tanager | Lesser Antillean Tanager |
| Tangara cyanicollis | Blue-necked Tanager | Blue-necked Tanager |
| Tangara cyanocephala | Red-necked Tanager | Red-necked Tanager |
| Tangara cyanoptera | Black-headed Tanager | Black-headed Tanager |
| Tangara cyanotis | Blue-browed Tanager | Blue-browed Tanager |
| Tangara cyanoventris | Gilt-edged Tanager | Gilt-edged Tanager |
| Tangara desmaresti | Brassy-breasted Tanager | Brassy-breasted Tanager |
| Tangara dowii | Spangle-cheeked Tanager | Spangle-cheeked Tanager |
| Tangara fastuosa | Seven-coloured Tanager | Seven-colored Tanager |
| Tangara florida | Emerald Tanager | Emerald Tanager |
| Tangara fucosa | Green-naped Tanager | Green-naped Tanager |
| Tangara guttata | Speckled Tanager | Speckled Tanager |
| Tangara gyrola | Bay-headed Tanager | Bay-headed Tanager |
| Tangara heinei | Black-capped Tanager | Black-capped Tanager |
| Tangara icterocephala | Silver-throated Tanager | Silver-throated Tanager |
| Tangara inornata | Plain-coloured Tanager | Plain-colored Tanager |
| Tangara johannae | Blue-whiskered Tanager | Blue-whiskered Tanager |
| Tangara labradorides | Metallic-green Tanager | Metallic-green Tanager |
| Tangara larvata | Golden-masked Tanager | Golden-hooded Tanager |
| Tangara lavinia | Rufous-winged Tanager | Rufous-winged Tanager |
| Tangara mexicana | Turquoise Tanager | Turquoise Tanager |
| Tangara meyerdeschauenseei | Green-capped Tanager | Green-capped Tanager |
| Tangara nigrocincta | Masked Tanager | Masked Tanager |
| Tangara nigroviridis | Beryl-spangled Tanager | Beryl-spangled Tanager |
| Tangara palmeri | Grey & Gold Tanager | Grey-and-gold Tanager |
| Tangara parzudakii | Flame-faced Tanager | Flame-faced Tanager |
| Tangara peruviana | Black-backed Tanager | Black-backed Tanager |
| Tangara phillipsi | Sira Tanager | Sira Tanager |
| Tangara preciosa | Chestnut-backed Tanager | Chestnut-backed Tanager |
| Tangara punctata | Spotted Tanager | Spotted Tanager |
| Tangara ruficervix | Golden-naped Tanager | Golden-naped Tanager |
| Tangara rufigenis | Rufous-cheeked Tanager | Rufous-cheeked Tanager |
| Tangara rufigula | Rufous-throated Tanager | Rufous-throated Tanager |
| Tangara schrankii | Green & Gold Tanager | Green-and-gold Tanager |
| Tangara seledon | Green-headed Tanager | Green-headed Tanager |
| Tangara varia | Dotted Tanager | Dotted Tanager |
| Tangara vassorii | Blue & Black Tanager | Blue-and-black Tanager |
| Tangara velia | Opal-rumped Tanager | Opal-rumped Tanager |
| Tangara viridicollis | Silvery Tanager | Silver-backed Tanager |
| Tangara vitriolina | Scrub Tanager | Scrub Tanager |
| Tangara xanthocephala | Saffron-crowned Tanager | Saffron-crowned Tanager |
| Tangara xanthogastra | Yellow-bellied Tanager | Yellow-bellied Tanager |
| Tanygnathus gramineus | Black-lored Parrot | Black-lored Parrot |
| Tanygnathus lucionensis | Blue-naped Parrot | Blue-naped Parrot |
| Tanygnathus sumatranus | Muller's Parrot | Blue-backed Parrot |
| Tanysiptera carolinae | Numfor Paradise Kingfisher | Numfor Paradise-Kingfisher |
| Tanysiptera danae | Brown-backed Paradise Kingfisher | Brown-headed Paradise-Kingfisher |
| Tanysiptera ellioti | Kofiau Paradise Kingfisher | Kofiau Paradise-Kingfisher |
| Tanysiptera galatea | Common Paradise Kingfisher | Common Paradise-Kingfisher |
| Tanysiptera hydrocharis | Aru Paradise Kingfisher | Little Paradise-Kingfisher |
| Tanysiptera nympha | Pink-breasted Paradise Kingfisher | Red-breasted Paradise-Kingfisher |
| Tanysiptera riedelii | Biak Paradise Kingfisher | Biak Paradise-Kingfisher |
| Tanysiptera sylvia | White-tailed Paradise Kingfisher | Buff-breasted Paradise-Kingfisher |
| Taoniscus nanus | Dwarf Tinamou | Dwarf Tinamou |
| Tapera naevia | Striped Cuckoo | Striped Cuckoo |
| Taphrolesbia griseiventris | Grey-billed Comet | Grey-bellied Comet |
| Taphrospilus hypostictus | Many-spotted Hummingbird | Many-spotted Hummingbird |
| Taraba major | Great Antshrike | Great Antshrike |
| Tarsiger chrysaeus | Golden Bush Robin | Golden Bush-Robin |
| Tarsiger cyanurus | Red-flanked Bluetail | Orange-flanked Bush-Robin |
| Tauraco bannermani | Bannerman's Turaco | Bannerman's Turaco |
| Tauraco erythrolophus | Red-crested Turaco | Red-crested Turaco |
| Tauraco fischeri | Fischer's Turaco | Fischer's Turaco |
| Tauraco hartlaubi | Hartlaub's Turaco | Hartlaub's Turaco |
| Tauraco leucolophus | White-crested Turaco | White-crested Turaco |
| Tauraco leucotis | White-cheeked Turaco | White-cheeked Turaco |
| Tauraco macrorhynchus | Crested Turaco | Yellow-billed Turaco |
| Tauraco persa | Green Turaco | Guinea Turaco |
| Tauraco ruspolii | Prince Ruspoli's Turaco | Ruspoli's Turaco |
| Tauraco schuettii | Black-billed Turaco | Black-billed Turaco |
| Tchagra australis | Brown-headed Tchagra | Brown-crowned Tchagra |
| Tchagra jamesi | Three-streaked Tchagra | Three-streaked Tchagra |
| Tchagra minuta | Lesser Tchagra | Marsh Tchagra |
| Tchagra senegala | Black-headed Tchagra | Black-crowned Tchagra |
| Tchagra tchagra | Levaillant's Tchagra | Southern Tchagra |
| Telacanthura melanopygia | Ituri Mottle-throated Spinetailed Swift | Black Spinetail |
| Telacanthura ussheri | Mottle-throated Spinetailed Swift | Mottled Spinetail |
| Teledromas fuscus | Sandy Gallito | Sandy Gallito |
| Telophorus bocagei | Grey-green Bush Shrike | Grey-green Bushshrike |
| Telophorus dohertyi | Doherty's Bush Shrike | Doherty's Bushshrike |
| Telophorus kupeensis | Serle's Bush Shrike | Serle's Bushshrike |
| Telophorus multicolor | Many-coloured Bush Shrike | Many-colored Bushshrike |
| Telophorus nigrifrons | Black-fronted Bush Shrike | Black-fronted Bushshrike |
| Telophorus olivaceus | Olive Bush Shrike | Olive Bushshrike |
| Telophorus quadricolor | Four-coloured Bush Shrike | Four-colored Bushshrike |
| Telophorus sulfureopectus | Sulphur-breasted Bush Shrike | Sulphur-breasted Bushshrike |
| Telophorus viridis | Perrin's Bush Shrike | Perrin's Bushshrike |
| Telophorus zeylonus | Bokmakierie Shrike | Bokmakierie Bushshrike |
| Temnurus temnurus | Notch-tailed Tree Pie | Ratchet-tailed Treepie |
| Tephrodornis gularis | Brown-tailed Wood Shrike | Large Woodshrike |
| Tephrodornis pondicerianus | Common Wood Shrike | Common Woodshrike |
| Tephrozosterops stalkeri | Bicoloured White-eye | Bicolored White-eye |
| Terathopius ecaudatus | Bateleur | Bateleur |
| Terenura callinota | Rufous-rumped Antwren | Rufous-rumped Antwren |
| Terenura humeralis | Chestnut-shouldered Antwren | Chestnut-shouldered Antwren |
| Terenura maculata | Streak-capped Antwren | Streak-capped Antwren |
| Terenura sharpei | Yellow-rumped Antwren | Yellow-rumped Antwren |
| Terenura sicki | Orange-bellied Antwren | Alagoas Antwren |
| Terenura spodioptila | Ash-winged Antwren | Ash-winged Antwren |
| Teretistris fernandinae | Yellow-headed Warbler | Yellow-headed Warbler |
| Teretistris fornsi | Oriente Warbler | Oriente Warbler |
| Terpsiphone atrocaudata | Black Paradise Flycatcher | Japanese Paradise-Flycatcher |
| Terpsiphone bedfordi | Bedford's Paradise Flycatcher | Bedford's Paradise-Flycatcher |
| Terpsiphone bourbonnensis | Mascarene Paradise Flycatcher | Mascarene Paradise-Flycatcher |
| Terpsiphone cinnamomea | Rufous Paradise Flycatcher | Rufous Paradise-Flycatcher |
| Terpsiphone corvina | Seychelles Paradise Flycatcher | Seychelles Paradise-Flycatcher |
| Terpsiphone cyanescens | Blue Paradise Flycatcher | Blue Paradise-Flycatcher |
| Terpsiphone mutata | Madagascar Paradise Flycatcher | Madagascar Paradise-Flycatcher |
| Terpsiphone paradisi | Asiatic Paradise Flycatcher | Asian Paradise-Flycatcher |
| Terpsiphone rufiventer | Red-bellied Paradise Flycatcher | Black-headed Paradise-Flycatcher |
| Terpsiphone rufocinerea | Rufous-vented Paradise Flycatcher | Rufous-vented Paradise-Flycatcher |
| Terpsiphone viridis | African Paradise Flycatcher | African Paradise-Flycatcher |
| Tersina viridis | Swallow Tanager | Swallow Tanager |
| Tesia cyaniventer | Grey-bellied Ground Warbler | Grey-bellied Tesia |
| Tesia everetti | Russet-capped Stubtail | Russet-capped Tesia |
| Tesia olivea | Slaty-bellied Ground Warbler | Slaty-bellied Tesia |
| Tesia superciliaris | Java Ground Warbler | Javan Tesia |
| Tetrao mlokosiewiczi | Caucasian Black Grouse | Caucasian Grouse |
| Tetrao parvirostris | Black-billed Capercaillie | Black-billed Capercaillie |
| Tetrao tetrix | Black Grouse | Black Grouse |
| Tetrao urogallus | Western Capercaillie | Western Capercaillie |
| Tetraogallus altaicus | Altai Snowcock | Altai Snowcock |
| Tetraogallus caspius | Caspian Snowcock | Caspian Snowcock |
| Tetraogallus caucasicus | Caucasian Snowcock | Caucasian Snowcock |
| Tetraogallus himalayensis | Himalayan Snowcock | Himalayan Snowcock |
| Tetraogallus tibetanus | Tibetan Snowcock | Tibetan Snowcock |
| Tetraophasis obscurus | Verreaux's Monal Partridge | Chestnut-throated Partridge |
| Tetraophasis szechenyii | Szechenyi's Monal Partridge | Buff-throated Partridge |
| Tetrax tetrax | Little Bustard | Little Bustard |
| Thalassoica antarctica | Antarctic Petrel | Antarctic Petrel |
| Thalassornis leuconotus | White-backed Duck | White-backed Duck |
| Thalurania colombica | Crowned Woodnymph | Blue-crowned Woodnymph |
| Thalurania fannyi | Green-crowned Woodnymph | Green-crowned Woodnymph |
| Thalurania furcata | Fork-tailed Woodnymph | Fork-tailed Woodnymph |
| Thalurania glaucopis | Violet-capped Woodnymph | Violet-capped Woodnymph |
| Thalurania ridgwayi | Mexican Woodnymph | Mexican Woodnymph |
| Thalurania watertonii | Long-tailed Woodnymph | Long-tailed Woodnymph |
| Thamnistes anabatinus | Russet Antshrike | Russet Antshrike |
| Thamnomanes ardesiacus | Saturnine Antshrike | Saturnine Antshrike |
| Thamnomanes caesius | Cinereous Antshrike | Cinereous Antshrike |
| Thamnomanes schistogynus | Bluish-slate Antshrike | Bluish-slate Antshrike |
| Thamnophilus aethiops | White-shouldered Antshrike | White-shouldered Antshrike |
| Thamnophilus amazonicus | Amazonian Antshrike | Amazonian Antshrike |
| Thamnophilus aroyae | Upland Antshrike | Upland Antshrike |
| Thamnophilus bridgesi | Black-hooded Antshrike | Black-hooded Antshrike |
| Thamnophilus caerulescens | Variable Antshrike | Variable Antshrike |
| Thamnophilus cryptoleucus | Castelnau's Antshrike | Castelnau's Antshrike |
| Thamnophilus doliatus | Barred Antshrike | Barred Antshrike |
| Thamnophilus insignis | Streak-backed Antshrike | Streak-backed Antshrike |
| Thamnophilus multistriatus | Bar-crested Antshrike | Bar-crested Antshrike |
| Thamnophilus murinus | Mouse-coloured Antshrike | Mouse-colored Antshrike |
| Thamnophilus nigriceps | Black Antshrike | Black Antshrike |
| Thamnophilus nigrocinereus | Blackish-grey Antshrike | Blackish-grey Antshrike |
| Thamnophilus palliatus | Lined Antshrike | Lined Antshrike |
| Thamnophilus praecox | Cocha Antshrike | Cocha Antshrike |
| Thamnophilus punctatus | Slaty Antshrike | Slaty Antshrike |
| Thamnophilus ruficapillus | Rufous-capped Antshrike | Rufous-capped Antshrike |
| Thamnophilus schistaceus | Black-capped Antshrike | Plain-winged Antshrike |
| Thamnophilus torquatus | Rufous-winged Antshrike | Rufous-winged Antshrike |
| Thamnophilus unicolor | Uniform Antshrike | Uniform Antshrike |
| Thamnornis chloropetoides | Kirtika Warbler | Thamnornis Warbler |
| Thaumastura cora | Peruvian Sheartail | Peruvian Sheartail |
| Theristicus caudatus | Buff-necked Ibis | Buff-necked Ibis |
| Theristicus melanopis | Black-faced Ibis | Black-faced Ibis |
| Thescelocichla leucopleura | Swamp Palm Bulbul | Swamp Greenbul |
| Thinocorus orbignyianus | Grey-breasted Seed-Snipe | Grey-breasted Seedsnipe |
| Thinocorus rumicivorus | Least Seed-Snipe | Least Seedsnipe |
| Thlypopsis fulviceps | Fulvous-headed Tanager | Fulvous-headed Tanager |
| Thlypopsis inornata | Buff-bellied Tanager | Buff-bellied Tanager |
| Thlypopsis ornata | Rufous-chested Tanager | Rufous-chested Tanager |
| Thlypopsis pectoralis | Brown-flanked Tanager | Brown-flanked Tanager |
| Thlypopsis ruficeps | Rust & Yellow Tanager | Rust-and-yellow Tanager |
| Thlypopsis sordida | Orange-headed Tanager | Orange-headed Tanager |
| Thraupis abbas | Yellow-winged Tanager | Yellow-winged Tanager |
| Thraupis bonariensis | Blue & Yellow Tanager | Blue-and-yellow Tanager |
| Thraupis cyanocephala | Blue-capped Tanager | Blue-capped Tanager |
| Thraupis cyanoptera | Azure-shouldered Tanager | Azure-shouldered Tanager |
| Thraupis episcopus | Blue-grey Tanager | Blue-grey Tanager |
| Thraupis glaucocolpa | Glaucous Tanager | Glaucous Tanager |
| Thraupis ornata | Golden-chevroned Tanager | Golden-chevroned Tanager |
| Thraupis palmarum | Palm Tanager | Palm Tanager |
| Thraupis sayaca | Sayaca Tanager | Sayaca Tanager |
| Threnetes leucurus | Pale-tailed Barbthroat | Pale-tailed Barbthroat |
| Threnetes niger | Sooty Barbthroat | Sooty Barbthroat |
| Threnetes ruckeri | Band-tailed Barbthroat | Band-tailed Barbthroat |
| Threskiornis aethiopicus | Sacred Ibis | Sacred Ibis |
| Threskiornis melanocephalus | Oriental Ibis | Black-headed Ibis |
| Threskiornis molucca | Australian White Ibis | Australian Ibis |
| Threskiornis spinicollis | Straw-necked Ibis | Straw-necked Ibis |
| Thripadectes flammulatus | Flammulated Treehunter | Flammulated Treehunter |
| Thripadectes holostictus | Striped Treehunter | Striped Treehunter |
| Thripadectes ignobilis | Uniform Treehunter | Uniform Treehunter |
| Thripadectes melanorhynchus | Black-billed Treehunter | Black-billed Treehunter |
| Thripadectes rufobrunneus | Streak-breasted Treehunter | Streak-breasted Treehunter |
| Thripadectes scrutator | Buff-throated Treehunter | Buff-throated Treehunter |
| Thripadectes virgaticeps | Streak-capped Treehunter | Streak-capped Treehunter |
| Thripophaga berlepschi | Berlepsch's Canastero | Russet-mantled Softtail |
| Thripophaga cherriei | Orinoco Softtail | Orinoco Softtail |
| Thripophaga macroura | Striated Softtail | Striated Softtail |
| Thryomanes bewickii | Bewick's Wren | Bewick's Wren |
| Thryomanes sissonii | Revillagigedo Wren | Socorro Wren |
| Thryorchilus browni | Timberline Wren | Timberline Wren |
| Thryothorus atrogularis | Black-throated Wren | Black-throated Wren |
| Thryothorus coraya | Coraya Wren | Coraya Wren |
| Thryothorus eisenmanni | Inca Wren | Inca Wren |
| Thryothorus euophrys | Plain-tailed Wren | Plain-tailed Wren |
| Thryothorus fasciatoventris | Black-bellied Wren | Black-bellied Wren |
| Thryothorus felix | Happy Wren | Happy Wren |
| Thryothorus genibarbis | Moustached Wren | Moustached Wren |
| Thryothorus griseus | Grey Wren | Grey Wren |
| Thryothorus guarayanus | Fawn-breasted Wren | Fawn-breasted Wren |
| Thryothorus leucopogon | Stripe-throated Wren | Stripe-throated Wren |
| Thryothorus leucotis | Buff-breasted Wren | Buff-breasted Wren |
| Thryothorus longirostris | Long-billed Wren | Long-billed Wren |
| Thryothorus ludovicianus | Carolina Wren | Carolina Wren |
| Thryothorus maculipectus | Spot-breasted Wren | Spot-breasted Wren |
| Thryothorus modestus | Plain Wren | Plain Wren |
| Thryothorus mystacalis | Whiskered Wren | Whiskered Wren |
| Thryothorus nicefori | Niceforo's Wren | Niceforo's Wren |
| Thryothorus nigricapillus | Bay Wren | Bay Wren |
| Thryothorus pleurostictus | Banded Wren | Banded Wren |
| Thryothorus rufalbus | Rufous & White Wren | Rufous-and-white Wren |
| Thryothorus rutilus | Rufous-breasted Wren | Rufous-breasted Wren |
| Thryothorus semibadius | Riverside Wren | Riverside Wren |
| Thryothorus sinaloa | Bar-vented Wren | Sinaloa Wren |
| Thryothorus spadix | Sooty-headed Wren | Sooty-headed Wren |
| Thryothorus superciliaris | Superciliated Wren | Superciliated Wren |
| Thryothorus thoracicus | Stripe-breasted Wren | Stripe-breasted Wren |
| Tiaris bicolor | Black-faced Grassquit | Black-faced Grassquit |
| Tiaris canora | Cuban Grassquit | Cuban Grassquit |
| Tiaris fuliginosa | Sooty Grassquit | Sooty Grassquit |
| Tiaris obscura | Dull-coloured Grassquit | Dull-colored Grassquit |
| Tiaris olivacea | Yellow-faced Grassquit | Yellow-faced Grassquit |
| Tichodroma muraria | Wallcreeper | Wallcreeper |
| Tickellia hodgsoni | Broad-billed Flycatcher Warbler | Broad-billed Warbler |
| Tigriornis leucolophus | White-crested Tiger Heron | White-crested Bittern |
| Tigrisoma fasciatum | Fasciated Tiger Heron | Fasciated Tiger-Heron |
| Tigrisoma lineatum | Rufescent Tiger Heron | Rufescent Tiger-Heron |
| Tigrisoma mexicanum | Bare-throated Tiger Heron | Bare-throated Tiger-Heron |
| Tijuca atra | Black & Gold Cotinga | Black-and-gold Cotinga |
| Tijuca condita | Grey-winged Cotinga | Grey-winged Cotinga |
| Tilmatura dupontii | Sparkling-tailed Hummingbird | Sparkling-tailed Hummingbird |
| Timalia pileata | Chestnut-capped Babbler | Chestnut-capped Babbler |
| Timeliopsis fulvigula | Mountain Straight-billed Honeyeater | Olive Straightbill |
| Timeliopsis griseigula | Lowland Straight-billed Honeyeater | Tawny Straightbill |
| Tinamotis ingoufi | Patagonian Tinamou | Patagonian Tinamou |
| Tinamotis pentlandii | Puna Tinamou | Puna Tinamou |
| Tinamus guttatus | White-throated Tinamou | White-throated Tinamou |
| Tinamus major | Great Tinamou | Great Tinamou |
| Tinamus osgoodi | Black Tinamou | Black Tinamou |
| Tinamus solitarius | Solitary Tinamou | Solitary Tinamou |
| Tinamus tao | Grey Tinamou | Grey Tinamou |
| Tityra cayana | Black-tailed Tityra | Black-tailed Tityra |
| Tityra inquisitor | Black-crowned Tityra | Black-crowned Tityra |
| Tityra semifasciata | Masked Tityra | Masked Tityra |
| Tmetothylacus tenellus | Golden Pipit | Golden Pipit |
| Tockus albocristatus | African White-crested Hornbill | White-crested Hornbill |
| Tockus alboterminatus | Crowned Hornbill | Crowned Hornbill |
| Tockus bradfieldi | Bradfield's Hornbill | Bradfield's Hornbill |
| Tockus camurus | Red-billed Dwarf Hornbill | Red-billed Dwarf Hornbill |
| Tockus deckeni | Von der Decken's Hornbill | Von der Decken's Hornbill |
| Tockus erythrorhynchus | Red-billed Hornbill | Red-billed Hornbill |
| Tockus fasciatus | Pied Hornbill | African Pied Hornbill |
| Tockus flavirostris | Yellow-billed Hornbill | Eastern Yellow-billed Hornbill |
| Tockus hartlaubi | Black Dwarf Hornbill | Black Dwarf Hornbill |
| Tockus hemprichii | Hemprich's Hornbill | Hemprich's Hornbill |
| Tockus jacksoni | Jackson's Hornbill | Jackson's Hornbill |
| Tockus leucomelas | Southern Yellow-billed Hornbill | Southern Yellow-billed Hornbill |
| Tockus monteiri | Monteiro's Hornbill | Monteiro's Hornbill |
| Tockus nasutus | African Grey Hornbill | African Grey Hornbill |
| Tockus pallidirostris | Pale-billed Hornbill | Pale-billed Hornbill |
| Todirostrum calopterum | Golden-winged Tody Flycatcher | Golden-winged Tody-Flycatcher |
| Todirostrum chrysocrotaphum | Yellow-browed Tody Flycatcher | Yellow-browed Tody-Flycatcher |
| Todirostrum cinereum | Common Tody Flycatcher | Common Tody-Flycatcher |
| Todirostrum fumifrons | Smoky-fronted Tody Flycatcher | Smoky-fronted Tody-Flycatcher |
| Todirostrum latirostre | Rusty-fronted Tody Flycatcher | Rusty-fronted Tody-Flycatcher |
| Todirostrum maculatum | Spotted Tody Flycatcher | Spotted Tody-Flycatcher |
| Todirostrum nigriceps | Black-headed Tody Flycatcher | Black-headed Tody-Flycatcher |
| Todirostrum pictum | Painted Tody Flycatcher | Painted Tody-Flycatcher |
| Todirostrum plumbeiceps | Ochre-faced Tody Flycatcher | Ochre-faced Tody-Flycatcher |
| Todirostrum poliocephalum | Grey-headed Tody Flycatcher | Yellow-lored Tody-Flycatcher |
| Todirostrum russatum | Ruddy Tody Flycatcher | Ruddy Tody-Flycatcher |
| Todirostrum senex | Plumbeous-crowned Tody Flycatcher | Buff-cheeked Tody-Flycatcher |
| Todirostrum sylvia | Slate-headed Tody Flycatcher | Slate-headed Tody-Flycatcher |
| Todirostrum viridanum | Short-tailed Tody Flycatcher | Maracaibo Tody-Flycatcher |
| Todus angustirostris | Narrow-billed Tody | Narrow-billed Tody |
| Todus mexicanus | Puerto Rican Tody | Puerto Rican Tody |
| Todus multicolor | Cuban Tody | Cuban Tody |
| Todus subulatus | Broad-billed Tody | Broad-billed Tody |
| Todus todus | Jamaican Tody | Jamaican Tody |
| Tolmomyias assimilis | Yellow-margined Flycatcher | Yellow-margined Flycatcher |
| Tolmomyias flaviventris | Yellow-breasted Flycatcher | Yellow-breasted Flycatcher |
| Tolmomyias poliocephalus | Grey-crowned Flycatcher | Grey-crowned Flycatcher |
| Tolmomyias sulphurescens | Yellow-olive Flycatcher | Yellow-olive Flycatcher |
| Topaza pella | Crimson Topaz | Crimson Topaz |
| Topaza pyra | Fiery Topaz | Fiery Topaz |
| Torreornis inexpectata | Zapata Sparrow | Zapata Sparrow |
| Touit batavica | Lilac-tailed Parrotlet | Lilac-tailed Parrotlet |
| Touit dilectissima | Red-winged Parrotlet | Blue-fronted Parrotlet |
| Touit huetii | Scarlet-shouldered Parrotlet | Scarlet-shouldered Parrotlet |
| Touit purpurata | Sapphire-rumped Parrotlet | Sapphire-rumped Parrotlet |
| Touit stictoptera | Spot-winged Parrotlet | Spot-winged Parrotlet |
| Touit surda | Golden-tailed Parrotlet | Golden-tailed Parrotlet |
| Toxorhamphus novaeguineae | Yellow-bellied Longbill | Green-crowned Longbill |
| Toxorhamphus poliopterus | Slaty-chinned Longbill | Grey-winged Longbill |
| Toxostoma bendirei | Bendire Thrasher | Bendire's Thrasher |
| Toxostoma cinereum | Grey Thrasher | Grey Thrasher |
| Toxostoma crissale | Crissal Thrasher | Crissal Thrasher |
| Toxostoma curvirostre | Curve-billed Thrasher | Curve-billed Thrasher |
| Toxostoma guttatum | Cozumel Thrasher | Cozumel Thrasher |
| Toxostoma lecontei | Le Conte Thrasher | Le Conte's Thrasher |
| Toxostoma longirostre | Long-billed Thrasher | Long-billed Thrasher |
| Toxostoma ocellatum | Ocellated Thrasher | Ocellated Thrasher |
| Toxostoma redivivum | California Thrasher | California Thrasher |
| Toxostoma rufum | Brown Thrasher | Brown Thrasher |
| Trachyphonus darnaudii | d'Arnaud's Barbet | D'Arnaud's Barbet |
| Trachyphonus erythrocephalus | Red & Yellow Barbet | Red-and-yellow Barbet |
| Trachyphonus margaritatus | Yellow-breasted Barbet | Yellow-breasted Barbet |
| Trachyphonus purpuratus | Yellow-billed Barbet | Yellow-billed Barbet |
| Trachyphonus usambiro | Usambiro Barbet | Usambiro Barbet |
| Trachyphonus vaillantii | Levaillant's Barbet | Crested Barbet |
| Tragopan blythii | Blyth's Tragopan | Blyth's Tragopan |
| Tragopan caboti | Cabot's Tragopan | Cabot's Tragopan |
| Tragopan melanocephalus | Western Tragopan | Western Tragopan |
| Tragopan satyra | Satyr Tragopan | Satyr Tragopan |
| Tragopan temminckii | Temminck's Tragopan | Temminck's Tragopan |
| Tregellasia capito | Pale Yellow Robin | Pale-yellow Robin |
| Tregellasia leucops | White-faced Robin | White-faced Robin |
| Treron apicauda | Pin-tailed Green Pigeon | Pin-tailed Green-Pigeon |
| Treron australis | Madagascar Green Pigeon | Madagascar Green-Pigeon |
| Treron bicincta | Orange-breasted Green Pigeon | Orange-breasted Green-Pigeon |
| Treron calva | African Green Pigeon | African Green-Pigeon |
| Treron capellei | Large Green Pigeon | Large Green-Pigeon |
| Treron curvirostra | Thick-billed Green Pigeon | Thick-billed Green-Pigeon |
| Treron floris | Flores Green Pigeon | Flores Green-Pigeon |
| Treron formosae | Formosan Green Pigeon | Whistling Green-Pigeon |
| Treron fulvicollis | Cinnamon-headed Green Pigeon | Cinnamon-headed Green-Pigeon |
| Treron griseicauda | Grey-faced Thick-billed Green Pigeon | Grey-cheeked Green-Pigeon |
| Treron olax | Little Green Pigeon | Little Green-Pigeon |
| Treron oxyura | Yellow-bellied Pin-tailed Green Pigeon | Sumatran Green-Pigeon |
| Treron pembaensis | Pemba Islands Green Pigeon | Pemba Green-Pigeon |
| Treron phoenicoptera | Yellow-legged Green Pigeon | Yellow-footed Green-Pigeon |
| Treron pompadora | Pompadour Green Pigeon | Pompadour Green-Pigeon |
| Treron psittacea | Timor Green Pigeon | Timor Green-Pigeon |
| Treron sanctithomae | Sao Thome Green Pigeon | Sao Tome Green-Pigeon |
| Treron seimundi | Yellow-vented Pin-tailed Green Pigeon | Yellow-vented Green-Pigeon |
| Treron sieboldii | Japanese Green Pigeon | White-bellied Green-Pigeon |
| Treron sphenura | Wedge-tailed Green Pigeon | Wedge-tailed Green-Pigeon |
| Treron vernans | Pink-necked Green Pigeon | Pink-necked Green-Pigeon |
| Treron waalia | Yellow-bellied Green Pigeon | Bruce's Green-Pigeon |
| Trichastoma bicolor | Ferruginous Jungle Babbler | Ferruginous Babbler |
| Trichastoma celebense | Sulawesi Jungle Babbler | Sulawesi Babbler |
| Trichastoma rostratum | White-chested Jungle Babbler | White-chested Babbler |
| Trichastoma woodi | Bagobo Babbler | Bagobo Babbler |
| Trichoglossus chlorolepidotus | Scaly-breasted Lorikeet | Scaly-breasted Lorikeet |
| Trichoglossus euteles | Perfect Lorikeet | Olive-headed Lorikeet |
| Trichoglossus flavoviridis | Yellow & Green Lorikeet | Yellow-and-green Lorikeet |
| Trichoglossus haematodus | Rainbow Lory | Rainbow Lorikeet |
| Trichoglossus johnstoniae | Johnstone's Lorikeet | Mindanao Lorikeet |
| Trichoglossus ornatus | Ornate Lory | Ornate Lorikeet |
| Trichoglossus rubiginosus | Ponape Lory | Pohnpei Lorikeet |
| Tricholaema diademata | Red-fronted Barbet | Red-fronted Barbet |
| Tricholaema frontata | Miombo Pied Barbet | Miombo Barbet |
| Tricholaema hirsuta | Hairy-breasted Barbet | Hairy-breasted Barbet |
| Tricholaema lacrymosa | Spotted-flanked Barbet | Spot-flanked Barbet |
| Tricholaema leucomelas | Pied Barbet | Pied Barbet |
| Tricholaema melanocephala | African Black-throated Barbet | Black-throated Barbet |
| Trichothraupis melanops | Black-goggled Tanager | Black-goggled Tanager |
| Triclaria malachitacea | Purple-bellied Parrot | Blue-bellied Parrot |
| Tringa erythropus | Spotted Redshank | Spotted Redshank |
| Tringa flavipes | Lesser Yellowlegs | Lesser Yellowlegs |
| Tringa glareola | Wood Sandpiper | Wood Sandpiper |
| Tringa guttifer | Spotted Greenshank | Nordmann's Greenshank |
| Tringa melanoleuca | Greater Yellowlegs | Greater Yellowlegs |
| Tringa nebularia | Common Greenshank | Common Greenshank |
| Tringa ochropus | Green Sandpiper | Green Sandpiper |
| Tringa solitaria | Solitary Sandpiper | Solitary Sandpiper |
| Tringa stagnatilis | Marsh Sandpiper | Marsh Sandpiper |
| Tringa totanus | Common Redshank | Common Redshank |
| Trochilus polytmus | Streamertail | Streamertail |
| Troglodytes aedon | House Wren | House Wren |
| Troglodytes rufulus | Tepui Wren | Tepui Wren |
| Troglodytes solstitialis | Mountain Wren | Mountain Wren |
| Troglodytes tanneri | Clarion Wren | Clarion Wren |
| Troglodytes troglodytes | Winter Wren | Winter Wren |
| Trogon aurantiiventris | Orange-bellied Trogon | Orange-bellied Trogon |
| Trogon bairdii | Baird's Trogon | Baird's Trogon |
| Trogon citreolus | Citreoline Trogon | Citreoline Trogon |
| Trogon clathratus | Lattice-tailed Trogon | Lattice-tailed Trogon |
| Trogon collaris | Collared Trogon | Collared Trogon |
| Trogon comptus | Blue-tailed Trogon | White-eyed Trogon |
| Trogon curucui | Blue-crowned Trogon | Blue-crowned Trogon |
| Trogon elegans | Elegant Trogon | Elegant Trogon |
| Trogon massena | Slaty-tailed Trogon | Slaty-tailed Trogon |
| Trogon melanocephalus | Black-headed Trogon | Black-headed Trogon |
| Trogon melanurus | Black-tailed Trogon | Black-tailed Trogon |
| Trogon mexicanus | Mexican Trogon | Mountain Trogon |
| Trogon personatus | Masked Trogon | Masked Trogon |
| Trogon rufus | Black-throated Trogon | Black-throated Trogon |
| Trogon surrucura | Surucua Trogon | Surucua Trogon |
| Trogon violaceus | Violaceous Trogon | Violaceous Trogon |
| Trogon viridis | White-tailed Trogon | White-tailed Trogon |
| Trugon terrestris | Thick-billed Ground Pigeon | Thick-billed Ground-Pigeon |
| Tryngites subruficollis | Buff-breasted Sandpiper | Buff-breasted Sandpiper |
| Turacoena manadensis | White-faced Pigeon | White-faced Cuckoo-Dove |
| Turacoena modesta | Timor Black Pigeon | Black Cuckoo-Dove |
| Turdoides affinis | White-headed Babbler | Yellow-billed Babbler |
| Turdoides altirostris | Iraq Babbler | Iraq Babbler |
| Turdoides aylmeri | Scaly Chatterer | Scaly Chatterer |
| Turdoides bicolor | Pied Babbler | Southern Pied-Babbler |
| Turdoides caudatus | Common Babbler | Common Babbler |
| Turdoides earlei | Striated Babbler | Striated Babbler |
| Turdoides fulvus | Fulvous Babbler | Fulvous Chatterer |
| Turdoides gularis | White-throated Babbler | White-throated Babbler |
| Turdoides gymnogenys | Bare-cheeked Babbler | Bare-cheeked Babbler |
| Turdoides hindei | Hinde's Pied Babbler | Hinde's Pied-Babbler |
| Turdoides hypoleucus | Northern Pied Babbler | Northern Pied-Babbler |
| Turdoides jardineii | Arrow-marked Babbler | Arrow-marked Babbler |
| Turdoides leucopygius | White-rumped Babbler | White-rumped Babbler |
| Turdoides longirostris | Slender-billed Babbler | Slender-billed Babbler |
| Turdoides malcolmi | Large Grey Babbler | Large Grey Babbler |
| Turdoides melanops | Black-lored Babbler | Black-lored Babbler |
| Turdoides nipalensis | Spiny Babbler | Spiny Babbler |
| Turdoides plebejus | Brown Babbler | Brown Babbler |
| Turdoides reinwardtii | Blackcap Babbler | Blackcap Babbler |
| Turdoides rubiginosus | Rufous Chatterer | Rufous Chatterer |
| Turdoides rufescens | Ceylon Jungle Babbler | Orange-billed Babbler |
| Turdoides squamiceps | Arabian Babbler | Arabian Babbler |
| Turdoides squamulatus | Scaly Babbler | Scaly Babbler |
| Turdoides striatus | White-headed Jungle Babbler | Jungle Babbler |
| Turdoides subrufus | Rufous Babbler | Rufous Babbler |
| Turdoides tenebrosus | Dusky Babbler | Dusky Babbler |
| Turdus albicollis | White-necked Thrush | White-necked Thrush |
| Turdus albocinctus | White-collared Blackbird | White-collared Blackbird |
| Turdus amaurochalinus | Creamy-bellied Thrush | Creamy-bellied Thrush |
| Turdus assimilis | White-throated Thrush | White-throated Thrush |
| Turdus aurantius | White-chinned Thrush | White-chinned Thrush |
| Turdus bewsheri | Comoro Thrush | Comoro Thrush |
| Turdus boulboul | Grey-winged Blackbird | Grey-winged Blackbird |
| Turdus cardis | Japanese Grey Thrush | Japanese Thrush |
| Turdus celaenops | Seven Islands Thrush | Izu Thrush |
| Turdus chiguanco | Chiguanco Thrush | Chiguanco Thrush |
| Turdus chrysolaus | Red-billed Thrush | Brown-headed Thrush |
| Turdus dissimilis | Black-breasted Thrush | Black-breasted Thrush |
| Turdus falcklandii | Austral Thrush | Austral Thrush |
| Turdus feae | Fea's Thrush | Grey-sided Thrush |
| Turdus fulviventris | Chestnut-bellied Thrush | Chestnut-bellied Thrush |
| Turdus fumigatus | Cocoa Thrush | Cocoa Thrush |
| Turdus fuscater | Great Thrush | Great Thrush |
| Turdus grayi | Clay-coloured Thrush | Clay-colored Thrush |
| Turdus haplochrous | Unicoloured Thrush | Unicolored Thrush |
| Turdus hauxwelli | Hauxwell's Thrush | Hauxwell's Thrush |
| Turdus ignobilis | Black-billed Thrush | Black-billed Thrush |
| Turdus iliacus | Redwing | Redwing |
| Turdus infuscatus | Black Robin | Black Thrush |
| Turdus jamaicensis | White-eyed Thrush | White-eyed Thrush |
| Turdus kessleri | Kessler's Thrush | White-backed Thrush |
| Turdus lawrencii | Lawrence's Thrush | Lawrence's Thrush |
| Turdus leucomelas | Pale-breasted Thrush | Pale-breasted Thrush |
| Turdus libonyanus | Kurrichane Thrush | Kurrichane Thrush |
| Turdus maculirostris | Ecuadorean Thrush | Ecuadorian Thrush |
| Turdus maranonicus | Maranon Thrush | Maranon Thrush |
| Turdus menachensis | Yemen Thrush | Yemen Thrush |
| Turdus merula | Blackbird | Eurasian Blackbird |
| Turdus migratorius | American Robin | American Robin |
| Turdus mupinensis | Mongolian Song Thrush | Chinese Thrush |
| Turdus naumanni | Dusky Thrush | Dusky Thrush |
| Turdus nigrescens | Sooty Robin | Sooty Thrush |
| Turdus nigriceps | Andean Slaty Thrush | Andean Slaty-Thrush |
| Turdus nudigenis | Bare-eyed Thrush | Yellow-eyed Thrush |
| Turdus obscurus | Eye-browed Thrush | Eyebrowed Thrush |
| Turdus obsoletus | Pale-vented Thrush | Pale-vented Thrush |
| Turdus olivaceofuscus | Gulf of Guinea Thrush | Olivaceous Thrush |
| Turdus olivaceus | Olive Thrush | Olive Thrush |
| Turdus olivater | Black-hooded Thrush | Black-hooded Thrush |
| Turdus pallidus | Pale Thrush | Pale Thrush |
| Turdus pelios | African Thrush | African Thrush |
| Turdus philomelos | Song Thrush | Song Thrush |
| Turdus pilaris | Fieldfare | Fieldfare |
| Turdus plebejus | Mountain Robin | American Mountain Thrush |
| Turdus plumbeus | Red-legged Thrush | Red-legged Thrush |
| Turdus poliocephalus | Island Thrush | Island Thrush |
| Turdus ravidus | Grand Cayman Thrush | Grand Cayman Thrush |
| Turdus reevei | Plumbeous-backed Thrush | Plumbeous-backed Thrush |
| Turdus rubrocanus | Grey-headed Thrush | Chestnut Thrush |
| Turdus ruficollis | Black-throated Thrush | Dark-throated Thrush |
| Turdus rufitorques | Rufous-collared Robin | Rufous-collared Robin |
| Turdus rufiventris | Rufous-bellied Thrush | Rufous-bellied Thrush |
| Turdus rufopalliatus | Rufous-backed Robin | Rufous-backed Thrush |
| Turdus serranus | Glossy-black Thrush | Glossy-black Thrush |
| Turdus subalaris | Eastern Slaty Thrush | Eastern Slaty-Thrush |
| Turdus swalesi | La Selle Thrush | La Selle Thrush |
| Turdus tephronotus | African Bare-eyed Thrush | Bare-eyed Thrush |
| Turdus torquatus | Ring Ousel | Ring Ouzel |
| Turdus unicolor | Tickell's Thrush | Tickell's Thrush |
| Turdus viscivorus | Mistle Thrush | Mistle Thrush |
| Turnagra capensis | New Zealand Thrush | Piopio |
| Turnix castanota | Chestnut-backed Button-Quail | Chestnut-backed Buttonquail |
| Turnix everetti | Sumba Button-Quail | Sumba Buttonquail |
| Turnix hottentotta | Hottentot Button-Quail | Hottentot Buttonquail |
| Turnix maculosa | Red-backed Button-Quail | Red-backed Buttonquail |
| Turnix melanogaster | Black-breasted Button-Quail | Black-breasted Buttonquail |
| Turnix nigricollis | Madagascar Button-Quail | Madagascar Buttonquail |
| Turnix ocellata | Spotted Button-Quail | Spotted Buttonquail |
| Turnix pyrrhothorax | Red-chested Button-Quail | Red-chested Buttonquail |
| Turnix suscitator | Bustard Quail | Barred Buttonquail |
| Turnix sylvatica | Little Button-Quail | Small Buttonquail |
| Turnix tanki | Yellow-legged Button-Quail | Yellow-legged Buttonquail |
| Turnix varia | Painted Button-Quail | Painted Buttonquail |
| Turnix velox | Little Quail | Little Buttonquail |
| Turnix worcesteri | Worcester's Button-Quail | Worcester's Buttonquail |
| Turtur abyssinicus | Black-billed Wood Dove | Black-billed Wood-Dove |
| Turtur afer | Blue-spotted Wood Dove | Blue-spotted Wood-Dove |
| Turtur brehmeri | Blue-headed Wood Dove | Blue-headed Wood-Dove |
| Turtur chalcospilos | Emerald-spotted Wood Dove | Emerald-spotted Wood-Dove |
| Turtur tympanistria | Tambourine Dove | Tambourine Dove |
| Tylas eduardi | Kinkimavo | Tylas Vanga |
| Tympanuchus cupido | Prairie Chicken | Greater Prairie-chicken |
| Tympanuchus pallidicinctus | Lesser Prairie Chicken | Lesser Prairie-chicken |
| Tympanuchus phasianellus | Sharp-tailed Grouse | Sharp-tailed Grouse |
| Tyranneutes stolzmanni | Dwarf Tyrant Manakin | Dwarf Tyrant-Manakin |
| Tyranneutes virescens | Tiny Tyrant Manakin | Tiny Tyrant-Manakin |
| Tyrannopsis sulphurea | Sulphury Flycatcher | Sulphury Flycatcher |
| Tyrannulus elatus | Yellow-crowned Tyrannulet | Yellow-crowned Tyrannulet |
| Tyrannus albogularis | White-throated Kingbird | White-throated Kingbird |
| Tyrannus caudifasciatus | Loggerhead Kingbird | Loggerhead Kingbird |
| Tyrannus couchii | Couch's Kingbird | Couch's Kingbird |
| Tyrannus crassirostris | Thick-billed Kingbird | Thick-billed Kingbird |
| Tyrannus cubensis | Giant Kingbird | Giant Kingbird |
| Tyrannus dominicensis | Grey Kingbird | Grey Kingbird |
| Tyrannus forficatus | Scissor-tailed Flycatcher | Scissor-tailed Flycatcher |
| Tyrannus melancholicus | Tropical Kingbird | Tropical Kingbird |
| Tyrannus niveigularis | Snowy-throated Kingbird | Snowy-throated Kingbird |
| Tyrannus savana | Fork-tailed Flycatcher | Fork-tailed Flycatcher |
| Tyrannus tyrannus | Eastern Kingbird | Eastern Kingbird |
| Tyrannus verticalis | Western Kingbird | Western Kingbird |
| Tyrannus vociferans | Cassin's Kingbird | Cassin's Kingbird |
| Tyto alba | Barn Owl | Barn Owl |
| Tyto aurantia | New Britain Masked Owl | Bismarck Masked-Owl |
| Tyto capensis | Grass Owl | African Grass-Owl |
| Tyto castanops | Tasmanian Masked Owl | Tasmanian Masked-Owl |
| Tyto glaucops | Ashy-faced Barn Owl | Ashy-faced Owl |
| Tyto inexspectata | Minahassa Masked Owl | Minahassa Masked-Owl |
| Tyto manusi | Manus Masked Owl | Manus Masked-Owl |
| Tyto multipunctata | Lesser Sooty Owl | Lesser Sooty-Owl |
| Tyto nigrobrunnea | Sula Masked Owl | Taliabu Masked-Owl |
| Tyto novaehollandiae | Australian Masked Owl | Australian Masked-Owl |
| Tyto rosenbergii | Sulawesi Masked Owl | Sulawesi Owl |
| Tyto sororcula | Lesser Masked Owl | Lesser Masked-Owl |
| Tyto soumagnei | Madagascar Masked Owl | Madagascar Red Owl |
| Tyto tenebricosa | Greater Sooty Owl | Greater Sooty-Owl |
| Upucerthia albigula | White-throated Earthcreeper | White-throated Earthcreeper |
| Upucerthia andaecola | Rock Earthcreeper | Rock Earthcreeper |
| Upucerthia certhioides | Chaco Earthcreeper | Chaco Earthcreeper |
| Upucerthia dumetaria | Scale-throated Earthcreeper | Scale-throated Earthcreeper |
| Upucerthia harterti | Bolivian Earthcreeper | Bolivian Earthcreeper |
| Upucerthia jelskii | Plain-breasted Earthcreeper | Plain-breasted Earthcreeper |
| Upucerthia ruficauda | Straight-billed Earthcreeper | Straight-billed Earthcreeper |
| Upucerthia serrana | Striated Earthcreeper | Striated Earthcreeper |
| Upucerthia validirostris | Buff-breasted Earthcreeper | Buff-breasted Earthcreeper |
| Upupa epops | Hoopoe | Eurasian Hoopoe |
| Uraeginthus angolensis | Cordon-bleu | Blue-breasted Cordonbleu |
| Uraeginthus bengalus | Red-cheeked Cordon-bleu | Red-cheeked Cordonbleu |
| Uraeginthus granatina | Common Grenadier | Common Grenadier |
| Uraeginthus ianthinogaster | Purple Grenadier | Purple Grenadier |
| Uragus sibiricus | Long-tailed Rosefinch | Long-tailed Rosefinch |
| Uratelornis chimaera | Long-tailed Ground Roller | Long-tailed Ground-Roller |
| Uria aalge | Common Guillemot | Common Murre |
| Uria lomvia | Brunnich's Guillemot | Thick-billed Murre |
| Urochroa bougueri | White-tailed Hillstar | White-tailed Hillstar |
| Urocissa caerulea | Formosan Blue Magpie | Formosan Magpie |
| Urocissa erythrorhyncha | Red-billed Blue Magpie | Blue Magpie |
| Urocissa flavirostris | Yellow-billed Blue Magpie | Gold-billed Magpie |
| Urocissa ornata | Ceylon Blue Magpie | Ceylon Magpie |
| Urocissa whiteheadi | White-winged Magpie | White-winged Magpie |
| Urocolius indicus | Red-faced Mousebird | Red-faced Mousebird |
| Urocolius macrourus | Blue-naped Mousebird | Blue-naped Mousebird |
| Urocynchramus pylzowi | Przewalski's Rosefinch | Pink-tailed Bunting |
| Uroglaux dimorpha | Papuan Hawk Owl | Papuan Hawk-Owl |
| Urolais epichlora | Green Longtail | Green Longtail |
| Uropelia campestris | Long-tailed Ground Dove | Long-tailed Ground-Dove |
| Uropsalis lyra | Lyre-tailed Nightjar | Lyre-tailed Nightjar |
| Uropsalis segmentata | Swallow-tailed Nightjar | Swallow-tailed Nightjar |
| Uropsila leucogastra | White-bellied Wren | White-bellied Wren |
| Urosphena squameiceps | Scaly-headed Stubtail | Asian Stubtail |
| Urosphena subulata | Timor Stubtail | Timor Stubtail |
| Urosphena whiteheadi | Bornean Stubtail | Bornean Stubtail |
| Urosticte benjamini | Whitetip | Purple-bibbed Whitetip |
| Urosticte ruficrissa | Rufous-vented Whitetip | Rufous-vented Whitetip |
| Urothraupis stolzmanni | Black-backed Bush Tanager | Black-backed Bush-Tanager |
| Urotriorchis macrourus | African Long-tailed Hawk | Long-tailed Hawk |
| Vanellus albiceps | White-crowned Wattled Plover | White-headed Lapwing |
| Vanellus cayanus | Cayenne Plover | Pied Lapwing |
| Vanellus chilensis | Southern Lapwing | Southern Lapwing |
| Vanellus cinereus | Grey-headed Lapwing | Grey-headed Lapwing |
| Vanellus coronatus | Crowned Plover | Crowned Lapwing |
| Vanellus crassirostris | Long-toed Lapwing | Long-toed Lapwing |
| Vanellus duvaucelii | River Lapwing | River Lapwing |
| Vanellus gregarius | Sociable Plover | Sociable Lapwing |
| Vanellus indicus | Red-wattled Lapwing | Red-wattled Lapwing |
| Vanellus leucurus | White-tailed Plover | White-tailed Lapwing |
| Vanellus lugubris | Senegal Plover | Senegal Lapwing |
| Vanellus macropterus | Javanese Wattled Lapwing | Javanese Lapwing |
| Vanellus melanocephalus | Spot-breasted Plover | Spot-breasted Lapwing |
| Vanellus melanopterus | Black-winged Plover | Black-winged Lapwing |
| Vanellus miles | Masked Plover | Masked Lapwing |
| Vanellus resplendens | Andean Lapwing | Andean Lapwing |
| Vanellus senegallus | Senegal Wattled Plover | Wattled Lapwing |
| Vanellus spinosus | Spur-winged Plover | Spur-winged Lapwing |
| Vanellus superciliosus | Brown-chested Wattled Plover | Brown-chested Lapwing |
| Vanellus tectus | Black-headed Plover | Black-headed Lapwing |
| Vanellus tricolor | Banded Plover | Banded Lapwing |
| Vanellus vanellus | Northern Lapwing | Northern Lapwing |
| Vanga curvirostris | Hook-billed Vanga | Hook-billed Vanga |
| Veniliornis affinis | Red-stained Woodpecker | Red-stained Woodpecker |
| Veniliornis callonotus | Scarlet-backed Woodpecker | Scarlet-backed Woodpecker |
| Veniliornis cassini | Golden-collared Woodpecker | Golden-collared Woodpecker |
| Veniliornis dignus | Yellow-vented Woodpecker | Yellow-vented Woodpecker |
| Veniliornis frontalis | Dot-fronted Woodpecker | Dot-fronted Woodpecker |
| Veniliornis fumigatus | Smoky-brown Woodpecker | Smoky-brown Woodpecker |
| Veniliornis kirkii | Red-rumped Woodpecker | Red-rumped Woodpecker |
| Veniliornis maculifrons | Yellow-eared Woodpecker | Yellow-eared Woodpecker |
| Veniliornis nigriceps | Bar-bellied Woodpecker | Bar-bellied Woodpecker |
| Veniliornis passerinus | Little Woodpecker | Little Woodpecker |
| Veniliornis sanguineus | Blood-coloured Woodpecker | Blood-colored Woodpecker |
| Veniliornis spilogaster | White-spotted Woodpecker | White-spotted Woodpecker |
| Vermivora bachmanii | Bachman's Warbler | Bachman's Warbler |
| Vermivora celata | Orange-crowned Warbler | Orange-crowned Warbler |
| Vermivora chrysoptera | Golden-winged Warbler | Golden-winged Warbler |
| Vermivora crissalis | Colima Warbler | Colima Warbler |
| Vermivora luciae | Lucy's Warbler | Lucy's Warbler |
| Vermivora peregrina | Tennessee Warbler | Tennessee Warbler |
| Vermivora pinus | Blue-winged Warbler | Blue-winged Warbler |
| Vermivora ruficapilla | Nashville Warbler | Nashville Warbler |
| Vermivora virginiae | Virginia's Warbler | Virginia's Warbler |
| Vestiaria coccinea | Iiwi | Iiwi |
| Vidua chalybeata | Village Indigobird | Village Indigobird |
| Vidua fischeri | Fischer's Whydah | Straw-tailed Whydah |
| Vidua funerea | Variable Indigobird | Variable Indigobird |
| Vidua hypocherina | Steel-blue Whydah | Steel-blue Whydah |
| Vidua larvaticola | Baka Indigobird | Baka Indigobird |
| Vidua macroura | Pin-tailed Whydah | Pin-tailed Whydah |
| Vidua orientalis | Broad-tailed Paradise Whydah | Northern Paradise-Whydah |
| Vidua paradisaea | Paradise Whydah | Eastern Paradise-Whydah |
| Vidua purpurascens | Dusky Indigobird | Dusky Indigobird |
| Vidua raricola | Jambandu Indigobird | Jambandu Indigobird |
| Vidua regia | Shaft-tailed Whydah | Queen Whydah |
| Vidua wilsoni | Pale-winged Indigobird | Pale-winged Indigobird |
| Vini australis | Blue-crowned Lory | Blue-crowned Lorikeet |
| Vini kuhlii | Kuhl's Lory | Kuhl's Lorikeet |
| Vini peruviana | Tahitian Lory | Blue Lorikeet |
| Vini stepheni | Stephen's Lory | Stephen's Lorikeet |
| Vini ultramarina | Ultramarine Lory | Ultramarine Lorikeet |
| Vireo altiloquus | Black-whiskered Vireo | Black-whiskered Vireo |
| Vireo atricapillus | Black-capped Vireo | Black-capped Vireo |
| Vireo bairdi | Cozumel Vireo | Cozumel Vireo |
| Vireo bellii | Bell's Vireo | Bell's Vireo |
| Vireo brevipennis | Slaty Vireo | Slaty Vireo |
| Vireo caribaeus | St. Andrew Vireo | St. Andrew Vireo |
| Vireo carmioli | Carmiol's Vireo | Yellow-winged Vireo |
| Vireo crassirostris | Thick-billed Vireo | Thick-billed Vireo |
| Vireo flavifrons | Yellow-throated Vireo | Yellow-throated Vireo |
| Vireo flavoviridis | Yellow-green Vireo | Yellow-green Vireo |
| Vireo gilvus | Warbling Vireo | Eastern Warbling-Vireo |
| Vireo griseus | White-eyed Vireo | White-eyed Vireo |
| Vireo gundlachii | Cuban Vireo | Cuban Vireo |
| Vireo huttoni | Hutton's Vireo | Hutton's Vireo |
| Vireo hypochryseus | Golden Vireo | Golden Vireo |
| Vireo latimeri | Puerto Rican Vireo | Puerto Rican Vireo |
| Vireo leucophrys | Brown-capped Vireo | Brown-capped Vireo |
| Vireo magister | Yucatan Vireo | Yucatan Vireo |
| Vireo modestus | Jamaican White-eyed Vireo | Jamaican Vireo |
| Vireo nanus | Flat-billed Vireo | Flat-billed Vireo |
| Vireo nelsoni | Dwarf Vireo | Dwarf Vireo |
| Vireo olivaceus | Red-eyed Vireo | Red-eyed Vireo |
| Vireo osburni | Blue Mountain Vireo | Blue Mountain Vireo |
| Vireo pallens | Mangrove Vireo | Mangrove Vireo |
| Vireo philadelphicus | Philadelphia Vireo | Philadelphia Vireo |
| Vireo solitarius | Solitary Vireo | Blue-headed Vireo |
| Vireo vicinior | Grey Vireo | Grey Vireo |
| Vireolanius eximius | Yellow-browed Shrike Vireo | Yellow-browed Shrike-Vireo |
| Vireolanius leucotis | Slaty-capped Shrike Vireo | Slaty-capped Shrike-Vireo |
| Vireolanius melitophrys | Chestnut-sided Shrike Vireo | Chestnut-sided Shrike-Vireo |
| Vireolanius pulchellus | Green Shrike Vireo | Green Shrike-Vireo |
| Volatinia jacarina | Blue-black Grassquit | Blue-black Grassquit |
| Vultur gryphus | Andean Condor | Andean Condor |
| Wetmorethraupis sterrhopteron | Orange-throated Tanager | Orange-throated Tanager |
| Wilsonia canadensis | Canada Warbler | Canada Warbler |
| Wilsonia citrina | Hooded Warbler | Hooded Warbler |
| Wilsonia pusilla | Wilson's Warbler | Wilson's Warbler |
| Woodfordia lacertosa | Sanford's White-eye | Sanford's White-eye |
| Woodfordia superciliosa | Woodford's White-eye | Bare-eyed White-eye |
| Xanthocephalus xanthocephalus | Yellow-headed Blackbird | Yellow-headed Blackbird |
| Xanthomyza phrygia | Regent Honeyeater | Regent Honeyeater |
| Xema sabini | Sabine's Gull | Sabine's Gull |
| Xenerpestes minlosi | Double-banded Greytail | Double-banded Greytail |
| Xenerpestes singularis | Equatorial Greytail | Equatorial Greytail |
| Xenicus gilviventris | Rock Wren | South Island Wren |
| Xenicus longipes | Bush Wren | Bush Wren |
| Xenocopsychus ansorgei | Angola Cave Chat | Angola Cave-Chat |
| Xenodacnis parina | Tit-like Dacnis | Tit-like Dacnis |
| Xenoglaux loweryi | Long-whiskered Owlet | Long-whiskered Owlet |
| Xenoligea montana | White-winged Ground Warbler | White-winged Warbler |
| Xenopipo atronitens | Black Manakin | Black Manakin |
| Xenopirostris damii | Van Dam's Vanga | Van Dam's Vanga |
| Xenopirostris polleni | Pollen's Vanga | Pollen's Vanga |
| Xenopirostris xenopirostris | Lafresnaye's Vanga | Lafresnaye's Vanga |
| Xenops milleri | Rufous-tailed Xenops | Rufous-tailed Xenops |
| Xenops minutus | Plain Xenops | Plain Xenops |
| Xenops rutilans | Streaked Xenops | Streaked Xenops |
| Xenops tenuirostris | Slender-billed Xenops | Slender-billed Xenops |
| Xenopsaris albinucha | White-naped Xenopsaris | White-naped Xenopsaris |
| Xenornis setifrons | Speckle-breasted Antshrike | Speckled Antshrike |
| Xenospingus concolor | Slender-billed Finch | Slender-billed Finch |
| Xenospiza baileyi | Sierra Madre Sparrow | Sierra Madre Sparrow |
| Xenotriccus callizonus | Belted Flycatcher | Belted Flycatcher |
| Xenotriccus mexicanus | Pileated Flycatcher | Pileated Flycatcher |
| Xiphidiopicus percussus | Cuban Green Woodpecker | Cuban Green Woodpecker |
| Xiphirhynchus superciliaris | Slender-billed Scimitar Babbler | Slender-billed Scimitar-Babbler |
| Xiphocolaptes albicollis | White-throated Woodcreeper | White-throated Woodcreeper |
| Xiphocolaptes falcirostris | Moustached Woodcreeper | Moustached Woodcreeper |
| Xiphocolaptes major | Great Rufous Woodcreeper | Great Rufous Woodcreeper |
| Xiphocolaptes promeropirhynchus | Strong-billed Woodcreeper | Strong-billed Woodcreeper |
| Xipholena atropurpurea | White-winged Cotinga | White-winged Cotinga |
| Xipholena lamellipennis | White-tailed Cotinga | White-tailed Cotinga |
| Xipholena punicea | Pompadour Cotinga | Pompadour Cotinga |
| Xiphorhynchus elegans | Elegant Woodcreeper | Elegant Woodcreeper |
| Xiphorhynchus erythropygius | Spotted Woodcreeper | Spotted Woodcreeper |
| Xiphorhynchus eytoni | Dusky-billed Woodcreeper | Dusky-billed Woodcreeper |
| Xiphorhynchus flavigaster | Ivory-billed Woodcreeper | Ivory-billed Woodcreeper |
| Xiphorhynchus guttatus | Buff-throated Woodcreeper | Buff-throated Woodcreeper |
| Xiphorhynchus lachrymosus | Black-striped Woodcreeper | Black-striped Woodcreeper |
| Xiphorhynchus necopinus | Zimmer's Woodcreeper | Zimmer's Woodcreeper |
| Xiphorhynchus obsoletus | Striped Woodcreeper | Striped Woodcreeper |
| Xiphorhynchus ocellatus | Ocellated Woodcreeper | Ocellated Woodcreeper |
| Xiphorhynchus pardalotus | Chestnut-rumped Woodcreeper | Chestnut-rumped Woodcreeper |
| Xiphorhynchus picus | Straight-billed Woodcreeper | Straight-billed Woodcreeper |
| Xiphorhynchus spixii | Spix's Woodcreeper | Spix's Woodcreeper |
| Xiphorhynchus triangularis | Olive-backed Woodcreeper | Olive-backed Woodcreeper |
| Xolmis cinerea | Grey Monjita | Grey Monjita |
| Xolmis coronata | Black-crowned Monjita | Black-crowned Monjita |
| Xolmis irupero | White Monjita | White Monjita |
| Xolmis pyrope | Fire-eyed Diucon | Fire-eyed Diucon |
| Xolmis rubetra | Rusty-backed Monjita | Rusty-backed Monjita |
| Xolmis salinarum | Salinas Monjita | Salinas Monjita |
| Xolmis velata | White-rumped Monjita | White-rumped Monjita |
| Yuhina bakeri | White-naped Yuhina | White-naped Yuhina |
| Yuhina brunneiceps | Formosan Yuhina | Formosan Yuhina |
| Yuhina castaniceps | Striated Yuhina | Striated Yuhina |
| Yuhina diademata | White-collared Yuhina | White-collared Yuhina |
| Yuhina flavicollis | Whiskered Yuhina | Whiskered Yuhina |
| Yuhina gularis | Striped-throated Yuhina | Stripe-throated Yuhina |
| Yuhina nigrimenta | Black-chinned Yuhina | Black-chinned Yuhina |
| Yuhina occipitalis | Rufous-vented Yuhina | Rufous-vented Yuhina |
| Zavattariornis stresemanni | Stresemann's Bush Crow | Stresemann's Bush-Crow |
| Zebrilus undulatus | Zigzag Heron | Zigzag Heron |
| Zeledonia coronata | Wren Thrush | Wrenthrush |
| Zenaida asiatica | White-winged Dove | White-winged Dove |
| Zenaida auriculata | Eared Dove | Eared Dove |
| Zenaida aurita | Zenaida Dove | Zenaida Dove |
| Zenaida galapagoensis | Galapagos Dove | Galapagos Dove |
| Zenaida macroura | Mourning Dove | Mourning Dove |
| Zimmerius bolivianus | Bolivian Tyrannulet | Bolivian Tyrannulet |
| Zimmerius cinereicapillus | Red-billed Tyrannulet | Red-billed Tyrannulet |
| Zimmerius gracilipes | Slender-footed Tyrannulet | Slender-footed Tyrannulet |
| Zimmerius vilissimus | Paltry Tyrannulet | Paltry Tyrannulet |
| Zimmerius viridiflavus | Golden-faced Tyrannulet | Peruvian Tyrannulet |
| Zonerodius heliosylus | Forest Bittern | Forest Bittern |
| Zonotrichia albicollis | White-throated Sparrow | White-throated Sparrow |
| Zonotrichia atricapilla | Golden-crowned Sparrow | Golden-crowned Sparrow |
| Zonotrichia capensis | Rufous-collared Sparrow | Rufous-collared Sparrow |
| Zonotrichia leucophrys | White-crowned Sparrow | White-crowned Sparrow |
| Zonotrichia querula | Harris' Sparrow | Harris's Sparrow |
| Zoonavena grandidieri | Madagascar Spinetailed Swift | Malagasy Spinetail |
| Zoonavena sylvatica | Indian White-rumped Spinetailed Swift | White-rumped Spinetail |
| Zoonavena thomensis | Sao Thome Spinetailed Swift | Sao Tome Spinetail |
| Zoothera andromedae | Sunda Ground Thrush | Sunda Thrush |
| Zoothera cameronensis | Black-eared Ground Thrush | Black-eared Ground-Thrush |
| Zoothera cinerea | Ashy Ground Thrush | Ashy Thrush |
| Zoothera citrina | Orange-headed Ground Thrush | Orange-headed Thrush |
| Zoothera crossleyi | Crossley's Ground Thrush | Crossley's Ground-Thrush |
| Zoothera dauma | White's Thrush | Scaly Thrush |
| Zoothera dixoni | Long-tailed Mountain Thrush | Long-tailed Thrush |
| Zoothera dohertyi | Chestnut-backed Ground Thrush | Chestnut-backed Thrush |
| Zoothera dumasi | Moluccan Ground Thrush | Moluccan Thrush |
| Zoothera erythronota | Red-backed Ground Thrush | Red-backed Thrush |
| Zoothera everetti | Everett's Ground Thrush | Everett's Thrush |
| Zoothera gurneyi | Orange Ground Thrush | Orange Ground-Thrush |
| Zoothera guttata | Spotted Ground Thrush | Spotted Ground-Thrush |
| Zoothera heinei | Heine's Ground Thrush | Russet-tailed Thrush |
| Zoothera interpres | Chestnut-capped Ground Thrush | Chestnut-capped Thrush |
| Zoothera kibalensis | Prigogine's Ground Thrush | Kibale Ground-Thrush |
| Zoothera lunulata | Australian Ground Thrush | Olive-tailed Thrush |
| Zoothera machiki | Fawn-breasted Thrush | Fawn-breasted Thrush |
| Zoothera major | Amami Thrush | Amami Thrush |
| Zoothera marginata | Lesser Long-billed Thrush | Dark-sided Thrush |
| Zoothera mollissima | Plain-backed Mountain Thrush | Plain-backed Thrush |
| Zoothera monticola | Greater Long-billed Thrush | Long-billed Thrush |
| Zoothera oberlaenderi | Oberlaender's Ground Thrush | Oberlaender's Ground-Thrush |
| Zoothera peronii | Orange-banded Ground Thrush | Orange-banded Thrush |
| Zoothera piaggiae | Abyssinian Ground Thrush | Abyssinian Ground-Thrush |
| Zoothera princei | Grey Ground Thrush | Grey Ground-Thrush |
| Zoothera schistacea | Slaty-backed Ground Thrush | Slaty-backed Thrush |
| Zoothera sibirica | Siberian Ground Thrush | Siberian Thrush |
| Zoothera spiloptera | Spotted-winged Thrush | Spot-winged Thrush |
| Zoothera talaseae | Melanesian Ground Thrush | New Britain Thrush |
| Zoothera tanganjicae | Kivu Ground Thrush | Kivu Ground-Thrush |
| Zoothera wardii | Pied Ground Thrush | Pied Thrush |
| Zosterops albogularis | White-chested White-eye | White-chested White-eye |
| Zosterops atriceps | Creamy-throated White-eye | Creamy-throated White-eye |
| Zosterops atrifrons | Moluccan Black-fronted White-eye | Black-crowned White-eye |
| Zosterops buruensis | Buru Island White-eye | Buru Yellow White-eye |
| Zosterops ceylonensis | Large Sri Lanka White-eye | Ceylon White-eye |
| Zosterops chloris | Lemon-bellied White-eye | Lemon-bellied White-eye |
| Zosterops chloronothos | Mauritius Olive White-eye | Mauritius Olive White-eye |
| Zosterops consobrinorum | Pale-bellied White-eye | Pale-bellied White-eye |
| Zosterops everetti | Everett's White-eye | Everett's White-eye |
| Zosterops explorator | Layard's White-eye | Layard's White-eye |
| Zosterops flavifrons | Yellow-fronted White-eye | Yellow-fronted White-eye |
| Zosterops grayi | Pearl-bellied White-eye | Pearl-bellied White-eye |
| Zosterops griseovirescens | Annobon White-eye | Annobon White-eye |
| Zosterops kuehni | Ambon White-eye | Ambon Yellow White-eye |
| Zosterops lateralis | Grey-backed White-eye | Silvereye |
| Zosterops mayottensis | Chestnut-sided White-eye | Chestnut-sided White-eye |
| Zosterops meeki | White-throated White-eye | White-throated White-eye |
| Zosterops metcalfii | Yellow-throated White-eye | Yellow-throated White-eye |
| Zosterops meyeni | Philippine White-eye | Lowland White-eye |
| Zosterops minor | New Guinea Black-fronted White-eye | Black-fronted White-eye |
| Zosterops montanus | Mountain White-eye | Mountain White-eye |
| Zosterops mouroniensis | Grand Comoro White-eye | Comoro White-eye |
| Zosterops murphyi | Kulambangra Mountain White-eye | Hermit White-eye |
| Zosterops mysorensis | Biak White-eye | Biak White-eye |
| Zosterops natalis | Christmas Island White-eye | Christmas Island White-eye |
| Zosterops nigrorum | Philippine Yellow White-eye | Golden-yellow White-eye |
| Zosterops novaeguineae | New Guinea Mountain White-eye | New Guinea White-eye |
| Zosterops rendovae | Solomon Islands White-eye | Grey-throated White-eye |
| Zosterops salvadorii | Enggano White-eye | Enggano White-eye |
| Zosterops samoensis | Savaii White-eye | Samoan White-eye |
| Zosterops sanctaecrucis | Santa Cruz White-eye | Santa Cruz White-eye |
| Zosterops senegalensis | African Yellow White-eye | African Yellow White-eye |
| Zosterops stresemanni | Malaita White-eye | Malaita White-eye |
| Zosterops tenuirostris | Slender-billed White-eye | Slender-billed White-eye |
| Zosterops uropygialis | Golden-bellied White-eye | Golden-bellied White-eye |
| Zosterops vaughani | Pemba White-eye | Pemba White-eye |
| Zosterops wallacei | Yellow-spectacled White-eye | Yellow-spectacled White-eye |