Scientific names found in HM as well as in SM, with different common names (3583 species).
| Scientific names found in HM as well as in SM, with different common names (3583 species) | ||
|---|---|---|
| Scientific name | Common name HM | Common name SM |
| 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 |
| Acanthidops bairdii | Peg-billed Sparrow | Peg-billed Finch |
| Acanthiza chrysorrhoa | Yellow-tailed Thornbill | Yellow-rumped Thornbill |
| Acanthiza iredalei | Samphire Thornbill | Slender-billed Thornbill |
| Acanthiza murina | De Vis' Tree Warbler | Papuan Thornbill |
| Acanthiza nana | Little Thornbill | Yellow Thornbill |
| Acanthiza reguloides | Buff-tailed Thornbill | Buff-rumped Thornbill |
| Acanthiza robustirostris | Robust Thornbill | Slaty-backed Thornbill |
| Acanthiza uropygialis | Chestnut-tailed Thornbill | Chestnut-rumped Thornbill |
| 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 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 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 imitator | Imitator Sparrow Hawk | Imitator Sparrowhawk |
| Accipiter luteoschistaceus | Blue & Grey Sparrow Hawk | Slaty-mantled Sparrowhawk |
| Accipiter madagascariensis | Madagascar Sparrow Hawk | Madagascar Sparrowhawk |
| Accipiter melanoleucus | Great Sparrow Hawk | Black 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 princeps | New Britain Grey-headed Goshawk | New Britain Goshawk |
| Accipiter rhodogaster | Vinous-breasted Sparrow Hawk | Vinous-breasted Sparrowhawk |
| Accipiter rufiventris | Rufous-breasted Sparrow Hawk | Rufous-chested Sparrowhawk |
| Accipiter soloensis | Grey Frog Hawk | Chinese Goshawk |
| Accipiter superciliosus | Tiny Sparrow Hawk | Tiny Hawk |
| 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 everetti | Everett's Hornbill | Sumba Hornbill |
| Aceros leucocephalus | White-headed Hornbill | Writhed Hornbill |
| Acestrura astreans | Colombian Woodstar | Santa Marta Woodstar |
| Acestrura berlepschi | Esmeralda's Woodstar | Esmeraldas 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 aequinoctialis | Polynesian Reed Warbler | Bokikokiko |
| 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 mendanae | Marquesan Reed Warbler | Marquesan Reed-Warbler |
| Acrocephalus newtoni | Madagascar Swamp Warbler | Madagascar Swamp-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 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 |
| Actenoides lindsayi | Spotted Wood Kingfisher | Spotted Kingfisher |
| Actenoides princeps | Bar-headed Wood Kingfisher | Scaly Kingfisher |
| Actinodura nipalensis | Hoary Barwing | Hoary-throated Barwing |
| Actinodura waldeni | Austen's Barwing | Streak-throated Barwing |
| 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 |
| Aegithina nigrolutea | Marshall's Iora | White-tailed Iora |
| Aegolius funereus | Tengmalm's Owl | Boreal Owl |
| Aegotheles archboldi | Eastern Mountain Owlet-Nightjar | Archbold's 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 |
| Aepypodius arfakianus | Wattled Brush Turkey | Wattled Brush-turkey |
| Aepypodius bruijnii | Bruijn's Brush Turkey | Bruijn's Brush-turkey |
| Aethopyga duyvenbodei | Sanghir Yellow-backed Sunbird | Elegant Sunbird |
| Aethopyga eximia | Kuhl's Sunbird | White-flanked Sunbird |
| Aethopyga gouldiae | Mrs Gould's Sunbird | Gould's Sunbird |
| Aethopyga primigenius | Hachisuka's Sunbird | Grey-hooded Sunbird |
| Aethopyga pulcherrima | Mountain Sunbird | Metallic-winged Sunbird |
| Aethopyga shelleyi | Palawan Sunbird | Lovely Sunbird |
| Aethopyga siparaja | Yellow-backed Sunbird | Crimson Sunbird |
| Agamia agami | Chestnut-bellied Heron | Agami Heron |
| Agapornis lilianae | Nyasa Lovebird | Lilian's Lovebird |
| Agapornis roseicollis | Peach-faced Lovebird | Rosy-faced Lovebird |
| Agelaius cyanopus | Unicoloured Blackbird | Unicolored Blackbird |
| Agelaius tricolor | Tricoloured Blackbird | Tricolored Blackbird |
| Agelaius xanthophthalmus | Yellow-eyed Blackbird | Pale-eyed Blackbird |
| 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 |
| 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 |
| Alcedo atthis | River Kingfisher | Common Kingfisher |
| Alcedo pusilla | Mangrove Kingfisher | Little Kingfisher |
| Alcedo quadribrachys | Shining-blue Kingfisher | Shining Blue Kingfisher |
| Alcedo vintsioides | Madagascar Malachite Kingfisher | Madagascar Kingfisher |
| Alcippe brunnea | Gould's Fulvetta | Dusky Fulvetta |
| Alcippe castaneceps | Chestnut-headed Fulvetta | Rufous-winged Fulvetta |
| Alcippe pyrrhoptera | Javanese Fulvetta | Javan Fulvetta |
| Alcippe striaticollis | Chinese Mountain Fulvetta | Chinese Fulvetta |
| Alcippe variegaticeps | Variegated Fulvetta | Gold-fronted Fulvetta |
| Alectoris chukar | Chukar Partridge | Chukar |
| Alectoris magna | Przewalski's Rock Partridge | Rusty-necklaced Partridge |
| Alectoris melanocephala | Arabian Chukar | Arabian Partridge |
| Alectoris philbyi | Philby's Rock Partridge | Philby's 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 |
| Alectura lathami | Brush Turkey | Australian Brush-turkey |
| Alethe diademata | Fire-crested Alethe | White-tailed 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 |
| 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 |
| 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 |
| Amazilia cyanocephala | Red-billed Azurecrown | Azure-crowned Hummingbird |
| Amazilia luciae | Honduras Emerald | Honduran Emerald |
| Amazilia versicolor | Versicoloured Emerald | Versicolored Emerald |
| Amazilia viridicauda | Green & White Hummingbird | Green-and-white 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 |
| 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 |
| Ammomanes phoenicurus | Rufous-tailed Desert Lark | Rufous-tailed Lark |
| Ammoperdix griseogularis | See See Partridge | See-see Partridge |
| Ampeliceps coronatus | Gold-crested Mynah | Golden-crested Myna |
| Amphilais seebohmi | Seebohm's Feather-tailed Warbler | Grey Emu-tail |
| 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 aucklandica | New Zealand Teal | Brown Teal |
| Anas bahamensis | Bahama Pintail | White-cheeked Pintail |
| Anas bernieri | Madagascar Teal | Bernier's Teal |
| Anas castanea | Chestnut-breasted Teal | Chestnut Teal |
| Anas clypeata | Northern Shoveller | Northern Shoveler |
| Anas crecca | Green-winged Teal | Common Teal |
| Anas erythrorhyncha | Red-billed Pintail | Red-billed Duck |
| Anas falcata | Falcated Teal | Falcated Duck |
| Anas flavirostris | Chilean Teal | Speckled Teal |
| Anas georgica | Georgian Teal | Yellow-billed Pintail |
| Anas penelope | European Wigeon | Eurasian Wigeon |
| Anas platalea | Argentine Shoveller | Red Shoveler |
| Anas poecilorhyncha | Spotbill Duck | Spot-billed Duck |
| Anas rhynchotis | Australian Shoveller | Australian Shoveler |
| Anas rubripes | North American Black Duck | American Black Duck |
| Anas smithii | Cape Shoveller | Cape Shoveler |
| Anas specularis | Bronze-winged Duck | Spectacled 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 |
| Androphobus viridis | Green-backed Babbler | Papuan Whipbird |
| Anhinga anhinga | American Darter | Anhinga |
| Anhinga melanogaster | Indian Darter | Oriental 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 |
| Anous minutus | White-capped Noddy | Black Noddy |
| Anous stolidus | Common Noddy | Brown Noddy |
| Anser albifrons | White-fronted Goose | Greater White-fronted Goose |
| Anthochaera carunculata | Red Wattle Bird | Red Wattlebird |
| Anthochaera chrysoptera | Little Wattle Bird | Brush Wattlebird |
| Anthochaera paradoxa | Yellow Wattle Bird | Yellow Wattlebird |
| 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 |
| Anthreptes gabonicus | Brown Sunbird | Mouse-brown Sunbird |
| Anthreptes longuemarei | Violet-backed Sunbird | Western Violet-backed Sunbird |
| Anthreptes rhodolaema | Shelley's Sunbird | Red-throated Sunbird |
| Anthreptes rubritorques | Banded Green Sunbird | Banded Sunbird |
| Anthreptes simplex | Plain-coloured Sunbird | Plain Sunbird |
| Anthus berthelotii | Canarian Pipit | Berthelot's Pipit |
| Anthus caffer | Bushveld Pipit | Bush Pipit |
| Anthus camaroonensis | Cameroun Pipit | Cameroon Pipit |
| Anthus crenatus | African Rock Pipit | Yellow-tufted Pipit |
| Anthus gustavi | Petchora Pipit | Pechora Pipit |
| Anthus gutturalis | New Guinea Pipit | Alpine Pipit |
| Anthus hodgsoni | Indian Tree Pipit | Olive-backed Pipit |
| Anthus roseatus | Hodgson's Pipit | Rosy Pipit |
| Anthus rubescens | Buff-bellied Pipit | American Pipit |
| Anumbius annumbi | Firewood Gatherer | Firewood-gatherer |
| Apalis flavida | Yellow-chested Apalis | Yellow-breasted Apalis |
| Apalis personata | Mountain Masked Apalis | Black-faced Apalis |
| Apalis rufifrons | Red-faced Warbler | Red-faced Apalis |
| Apaloderma narina | Narina's Trogon | Narina Trogon |
| Apalopteron familiare | Bonin Island Honeyeater | Bonin Honeyeater |
| Aphelocoma coerulescens | Scrub Jay | Florida Jay |
| Aphelocoma unicolor | Unicoloured Jay | Unicolored Jay |
| Aphrastura masafuerae | Masafuera Rayadito | Mas Afuera Rayadito |
| 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 metallica | Shining Starling | Metallic Starling |
| Aplonis mystacea | Grant's Starling | Yellow-eyed Starling |
| Aplonis panayensis | Philippine Glossy Starling | Asian Glossy Starling |
| Aplonis pelzelni | Ponape Starling | Pohnpei Starling |
| Aplonis tabuensis | Striped Starling | Polynesian Starling |
| Aplonis zelandica | New Hebrides Starling | Rusty-winged Starling |
| Aprosmictus jonquillaceus | Timor Red-winged Parrot | Olive-shouldered Parrot |
| Apus acuticauda | Dark-backed Swift | Dark-rumped 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 |
| Ara ambigua | Buffon's Macaw | Great Green Macaw |
| Ara ararauna | Blue & Yellow Macaw | Blue-and-yellow Macaw |
| Ara glaucogularis | Wagler's Macaw | Blue-throated Macaw |
| Ara maracana | Illiger's Macaw | Blue-winged Macaw |
| Arachnothera chrysogenys | Lesser Yellow-eared Spiderhunter | Yellow-eared Spiderhunter |
| Arachnothera everetti | Everett's Spiderhunter | Bornean Spiderhunter |
| Arachnothera flavigaster | Greater Yellow-eared Spiderhunter | Spectacled Spiderhunter |
| 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 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 |
| Ardea humbloti | Malagasy Heron | Humblot's Heron |
| Ardea insignis | Imperial Heron | White-bellied Heron |
| Ardea pacifica | White-necked Heron | Pacific 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 speciosa | Javanese Pond Heron | Javan Pond-Heron |
| Argusianus argus | Great Argus Pheasant | Great Argus |
| Arses kaupi | Pied Flycatcher | Pied Monarch |
| Arses telescophthalmus | Frilled Flycatcher | Frilled Monarch |
| 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 madagascariensis | Madagascar Long-eared Owl | Madagascar Owl |
| 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 |
| 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 |
| Augastes lumachellus | Hooded Visor-bearer | Hooded Visorbearer |
| Augastes scutatus | Hyacinth Visor-bearer | Hyacinth Visorbearer |
| Aviceda cuculoides | African Cuckoo Hawk | African Baza |
| Aviceda madagascariensis | Madagascar Cuckoo Hawk | Madagascar Baza |
| Aviceda subcristata | Crested Baza | Pacific Baza |
| Aythya australis | Australian White-eyed Duck | Hardhead |
| Aythya nyroca | Ferruginous Duck | Ferruginous Pochard |
| Babax koslowi | Koslow's Babax | Tibetan Babax |
| Baeopogon clamans | Sjostedt's Honeyguide Greenbul | White-tailed Greenbul |
| 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 melanochlamys | Black & Gold Tanager | Black-and-gold Tanager |
| Basileuterus fraseri | Grey & Gold Warbler | Grey-and-gold Warbler |
| Basileuterus rivularis | River Warbler | Neotropical River 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 |
| 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 cornutus | Bornean Frogmouth | Sunda Frogmouth |
| Batrachostomus mixtus | Sharpe's Frogmouth | Bornean Frogmouth |
| Batrachostomus poliolophus | Pale-headed Frogmouth | Short-tailed Frogmouth |
| Bebrornis rodericanus | Rodriguez Brush Warbler | Rodriguez Brush-Warbler |
| Bebrornis sechellensis | Seychelles Brush Warbler | Seychelles Brush-Warbler |
| Bias flammulatus | African Shrike Flycatcher | African Shrike-flycatcher |
| Bias musicus | Black & White Flycatcher | Black-and-white Shrike-flycatcher |
| 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 |
| Boissonneaua jardini | Velvet-Purple Coronet | Velvet-purple Coronet |
| Bolborhynchus aymara | Sierra Parakeet | Grey-hooded Parakeet |
| Bonasa sewerzowi | Severtzov's Hazel Grouse | Chinese Grouse |
| Botaurus poiciloptilus | Australian Bittern | Australasian Bittern |
| Botaurus stellaris | Eurasian Bittern | Great Bittern |
| Brachypteracias leptosomus | Short-legged Ground Roller | Short-legged Ground-Roller |
| Brachypteracias squamigera | Scaly Ground Roller | Scaly Ground-Roller |
| Brachypteryx montana | Blue Shortwing | White-browed Shortwing |
| 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 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 sandvicensis | Hawaiian Goose | Nene |
| 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 vosseleri | Usambara Eagle Owl | Nduk Eagle-Owl |
| Buceros bicornis | Great Indian Hornbill | Great Hornbill |
| Bucorvus abyssinicus | Abyssinian Ground Hornbill | Abyssinian Ground-Hornbill |
| 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 |
| Butastur indicus | Grey-faced Buzzard-Eagle | Grey-faced Buzzard |
| Butastur rufipennis | Grasshopper Buzzard-Eagle | Grasshopper Buzzard |
| Buteo auguralis | African Red-tailed Buzzard | Red-necked Buzzard |
| Buteo buteo | Eurasian Buzzard | Common Buzzard |
| Buteo lagopus | Rough-legged Buzzard | Rough-legged Hawk |
| Buteo oreophilus | African Mountain Buzzard | Mountain Buzzard |
| Buteo poecilochrous | Variable Hawk | Puna 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 goffini | Goffin's Cockatoo | Tanimbar Cockatoo |
| Cacatua haematuropygia | Red-vented Cockatoo | Philippine Cockatoo |
| Cacatua leadbeateri | Major Mitchell's Cockatoo | Pink Cockatoo |
| Cacatua pastinator | Eastern Long-billed Corella | Western Corella |
| Cacatua sulphurea | Lesser Sulphur-crested Cockatoo | Yellow-crested Cockatoo |
| Cacicus sclateri | Ecuadorian Black Cacique | Ecuadorian Cacique |
| Cacomantis heinrichi | Heinrich's Brush Cuckoo | Moluccan Cuckoo |
| Cacomantis sepulcralis | Indonesian Cuckoo | Rusty-breasted Cuckoo |
| 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 |
| Calandrella acutirostris | Hume's Short-toed Lark | Hume's Lark |
| Calandrella cheleensis | Mongolian Short-toed Lark | Asian Short-toed Lark |
| Calandrella raytal | Indian Sand Lark | Indian Short-toed Lark |
| Calandrella somalica | Somali Short-toed Lark | Rufous Short-toed Lark |
| Calcarius lapponicus | Lapland Bunting | Lapland Longspur |
| Calcarius ornatus | Chestnut-coloured Longspur | Chestnut-collared Longspur |
| Callacanthis burtoni | Red-browed Rosefinch | Spectacled Finch |
| Calocitta colliei | Collie's Magpie-Jay | Black-throated Magpie-Jay |
| Calonectris leucomelas | White-faced Shearwater | Streaked Shearwater |
| Caloperdix oculea | Ferruginous Wood Partridge | Ferruginous Partridge |
| 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 |
| Camarhynchus crassirostris | Vegetarian Tree Finch | Vegetarian 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 |
| 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 |
| Campochaera sloetii | Orange Cuckoo Shrike | Golden Cuckooshrike |
| Camptostoma imberbe | Northern Beardless Tyrannulet | Northern Beardless-Tyrannulet |
| Camptostoma obsoletum | Southern Beardless Tyrannulet | Southern Beardless-Tyrannulet |
| Campylorhynchus brunneicapillus | Cactus-Wren | Cactus Wren |
| Campylorhynchus griseus | Bicoloured Wren | Bicolored Wren |
| Campylorhynchus yucatanicus | Yucatan Cactus-Wren | Yucatan Wren |
| Campylorhynchus zonatus | Banded-backed Wren | Band-backed Wren |
| Canirallus kioloides | Madagascar Grey-throated Rail | Kioloides Rail |
| Capito quinticolor | Five-coloured Barbet | Five-colored Barbet |
| Caprimulgus affinis | Allied Nightjar | Savanna Nightjar |
| Caprimulgus atripennis | Indian Long-tailed Nightjar | Jerdon's Nightjar |
| Caprimulgus badius | Yucatan Tawny-collared Nightjar | Yucatan Nightjar |
| Caprimulgus carolinensis | Chuck Will's Widow | Chuck-will's-widow |
| Caprimulgus donaldsoni | Donaldson Smith's Nightjar | Donaldson-Smith's Nightjar |
| Caprimulgus europaeus | European Nightjar | Eurasian Nightjar |
| Caprimulgus indicus | Jungle Nightjar | Grey Nightjar |
| Caprimulgus macrurus | Long-tailed Nightjar | Large-tailed Nightjar |
| Caprimulgus natalensis | African White-tailed Nightjar | Swamp Nightjar |
| Caprimulgus pectoralis | African Dusky Nightjar | Fiery-necked Nightjar |
| Caprimulgus poliocephalus | Abyssinian Nightjar | Montane Nightjar |
| Caprimulgus prigoginei | Prigogine's Nightjar | Itombwe Nightjar |
| Caprimulgus ridgwayi | Ridgway's Whippoorwill | Buff-collared Nightjar |
| Caprimulgus rufus | Rufus Nightjar | Rufous Nightjar |
| Caprimulgus vociferus | Whippoorwill | Whip-poor-will |
| Cardinalis cardinalis | Common Cardinal | Northern Cardinal |
| Carduelis ambigua | Yunnan Greenfinch | Black-headed Greenfinch |
| Carduelis carduelis | Eurasian Goldfinch | European Goldfinch |
| Carduelis chloris | Western Greenfinch | European Greenfinch |
| Carduelis psaltria | Dark-backed Goldfinch | Lesser Goldfinch |
| Carduelis sinica | Oriental Greenfinch | Grey-capped Greenfinch |
| Carduelis spinoides | Black-headed Greenfinch | Yellow-breasted Greenfinch |
| Carduelis spinus | Spruce Siskin | Eurasian Siskin |
| Carpococcyx radiceus | Ground Cuckoo | Sunda Ground-Cuckoo |
| Carpococcyx renauldi | Coral-billed Ground Cuckoo | Coral-billed Ground-Cuckoo |
| Carpodacus edwardsii | Large Rosefinch | Dark-rumped Rosefinch |
| Carpodacus eos | Stresemann's Rosefinch | Pink-rumped Rosefinch |
| Carpodacus nipalensis | Dark Rosefinch | Dark-breasted Rosefinch |
| Carpodacus puniceus | Rose-breasted Rosefinch | Red-fronted Rosefinch |
| Carpodacus roborowskii | Tibet Rosefinch | Tibetan 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 |
| Casuarius casuarius | Double-wattled Cassowary | Southern Cassowary |
| Catamblyrhynchus diadema | Plush-capped Finch | Plushcap |
| Catamenia inornata | Plain-coloured Seedeater | Plain-colored Seedeater |
| Cataponera turdoides | Cataponera Thrush | Sulawesi Thrush |
| Catharacta antarctica | Antarctic Skua | Southern Skua |
| 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 gracilirostris | Slender-billed Nightingale Thrush | Black-billed Nightingale-Thrush |
| Catharus mexicanus | Black-headed Nightingale Thrush | Black-headed Nightingale-Thrush |
| Catharus occidentalis | Russet Nightingale Thrush | Russet Nightingale-Thrush |
| Celeus castaneus | Chestnut-coloured Woodpecker | Chestnut-colored Woodpecker |
| Celeus flavus | Cream-coloured Woodpecker | Cream-colored Woodpecker |
| Celeus grammicus | Scale-breasted Woodpecker | Scaly-breasted Woodpecker |
| Centropus ateralbus | New Britain Coucal | Pied Coucal |
| Centropus bernsteini | Bernstein's Coucal | Lesser Black Coucal |
| Centropus chalybeus | Biak Island Coucal | Biak Coucal |
| Centropus chlororhynchus | Ceylon Coucal | Green-billed Coucal |
| Centropus goliath | Large Coucal | Goliath Coucal |
| Centropus grillii | Black-chested Coucal | Black Coucal |
| Centropus menbeki | Greater Coucal | Greater Black Coucal |
| Centropus neumanni | Smaller Black-throated Coucal | Neumann's Coucal |
| Centropus sinensis | Common Crow-Pheasant | Greater Coucal |
| Centropus steerii | Steere's Coucal | Black-hooded Coucal |
| Centropus toulou | Black Coucal | Madagascar Coucal |
| Centropus violaceus | Violet Coucal | Violaceous Coucal |
| Ceratogymna subcylindricus | Black & White Casqued Hornbill | Black-and-white-casqued Hornbill |
| Cercococcyx montanus | Mountain Long-tailed Cuckoo | Barred Long-tailed Cuckoo |
| Cercomela dubia | Sombre Rockchat | Sombre Chat |
| Cercomela fusca | Brown Rockchat | Indian Chat |
| Cercomela scotocerca | Brown-tailed Rockchat | Brown-tailed 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 |
| 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 |
| Certhilauda burra | Red Lark | Ferruginous Lark |
| 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 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 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 |
| 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 |
| Chalcophaps stephani | Brown-backed Emerald Dove | Stephan's Dove |
| Chalcopsitta duivenbodei | Duyvenbode's Lory | Brown Lory |
| Chamaea fasciata | Wren-Tit | Wrentit |
| 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 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 modestus | Rufous-chested Dotterel | Rufous-chested Plover |
| Charadrius mongolus | Lesser Sand Plover | Mongolian 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 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 veredus | Eastern Sand Plover | Oriental Plover |
| Charmosyna josefinae | Josephine's Lory | Josephine's Lorikeet |
| Charmosyna papou | Papuan Lory | Papuan Lorikeet |
| Charmosyna rubronotata | Red-spotted Lorikeet | Red-fronted Lorikeet |
| Charmosyna wilhelminae | Wilhelmina's Lorikeet | Pygmy Lorikeet |
| Chauna torquata | Crested Screamer | Southern Screamer |
| Chelidoptera tenebrosa | Swallow-wing Puffbird | Swallow-wing |
| Chenonetta jubata | Maned Goose | Maned Duck |
| Chersophilus duponti | DuPont's Lark | Dupont's Lark |
| Chlamydera lauterbachi | Lauterbach's Bowerbird | Yellow-breasted Bowerbird |
| Chlamydera nuchalis | Great Grey Bowerbird | Great Bowerbird |
| Chlamydochaera jefferyi | Black-breasted Fruit Hunter | Black-breasted Fruit-hunter |
| Chloephaga picta | Magellan Goose | Upland Goose |
| Chloroceryle aenea | Pygmy Kingfisher | American Pygmy Kingfisher |
| Chloroceryle inda | Green & Rufous Kingfisher | Green-and-rufous Kingfisher |
| Chlorocharis emiliae | Olive Blackeye | Mountain Blackeye |
| Chlorochrysa nitidissima | Multicoloured Tanager | Multicolored Tanager |
| Chlorocichla flavicollis | Yellow-throated Leaf-Love | Yellow-throated 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 |
| Chloropsis flavipennis | Yellow-quilled Leafbird | Philippine Leafbird |
| Chloropsis palawanensis | Palawan Leafbird | Yellow-throated Leafbird |
| 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 |
| Chlorothraupis carmioli | Carmiol's Tanager | Olive Tanager |
| Chlorothraupis olivacea | Lemon-browed Tanager | Lemon-spectacled Tanager |
| Chordeiles rupestris | Sand-coloured Nighthawk | Sand-colored Nighthawk |
| Chrysococcyx caprius | Didric Cuckoo | Dideric 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 |
| 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 |
| 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 |
| Cicinnurus regius | King Bird of Paradise | King Bird-of-paradise |
| Ciconia boyciana | Oriental White Stork | Oriental 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 |
| Cinclodes comechingonus | Comechingones Cinclodes | Cordoba Cinclodes |
| Cinclodes taczanowskii | Taczanowski's Cinclodes | Surf Cinclodes |
| 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 mexicanus | North American Dipper | American Dipper |
| Cinnyricinclus leucogaster | Violet Starling | Violet-backed 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 cyaneus | Hen Harrier | Northern Harrier |
| Circus maillardi | Malagasy Marsh Harrier | Madagascar Marsh-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 hypoleuca | Eastern Green Magpie | Yellow-breasted Magpie |
| Cissa thalassina | Short-tailed Green Magpie | Short-tailed Magpie |
| Cisticola aberdare | Aberdare Mountain Cisticola | Aberdare Cisticola |
| Cisticola carruthersi | Carruthers' Cisticola | Carruthers's Cisticola |
| Cisticola dorsti | Long-tailed Cisticola | Dorst's Cisticola |
| Cisticola exilis | Gold-capped Cisticola | Golden-headed Cisticola |
| Cisticola lepe | Angolan Cisticola | Lepe Cisticola |
| Cisticola nigriloris | Black-browed Cisticola | Black-lored Cisticola |
| Cisticola tinniens | Levaillant's Cisticola | Tinkling Cisticola |
| Cistothorus meridae | Paramo Wren | Merida Wren |
| Cittura cyanotis | Sulawesi Blue-eared Kingfisher | Lilac-cheeked Kingfisher |
| Clamator coromandus | Red-winged Crested Cuckoo | Chestnut-winged Cuckoo |
| 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 |
| Clytoctantes alixii | Recurvebill Bushbird | Recurve-billed Bushbird |
| Clytomyias insignis | Rufous Wren Warbler | Orange-crowned Fairywren |
| 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 |
| Coccyzus cinereus | Ash-coloured Cuckoo | Ash-colored Cuckoo |
| Cochoa azurea | Malaysian Cochoa | Javan Cochoa |
| Coenocorypha aucklandica | Sub-Antarctic Snipe | Subantarctic Snipe |
| Colaptes auratus | Common Flicker | Northern 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 nigrogularis | Black-throated Quail | Black-throated Bobwhite |
| Collocalia esculenta | White-bellied Swiftlet | Glossy Swiftlet |
| Collocalia linchi | Linchi Swiftlet | Cave 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 |
| Colorhamphus parvirostris | Patagonian Chat Tyrant | Patagonian Tyrant |
| Columba argentina | Silver Pigeon | Silvery Wood-Pigeon |
| Columba arquatrix | Olive Pigeon | African Olive-Pigeon |
| Columba caribaea | Jamaican Band-tailed Pigeon | Ring-tailed Pigeon |
| Columba cayennensis | Rufous Pigeon | Pale-vented 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 hodgsonii | Speckled Wood Pigeon | Speckled Wood-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 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 oenops | Salvin's Pigeon | Peruvian Pigeon |
| Columba palumboides | Andaman Wood Pigeon | Andaman Wood-Pigeon |
| Columba palumbus | Wood Pigeon | Common Wood-Pigeon |
| Columba pollenii | Comoro Olive Pigeon | Comoro Olive-Pigeon |
| Columba pulchricollis | Ashy Wood Pigeon | Ashy Wood-Pigeon |
| Columba rupestris | Eastern Rock Pigeon | Hill Pigeon |
| Columba squamosa | Red-necked Pigeon | Scaly-naped Pigeon |
| Columba thomensis | Sao Thome Olive Pigeon | Sao Tome Olive-Pigeon |
| Columba torringtoni | Sri Lanka Wood Pigeon | Ceylon Wood-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 |
| Conirostrum bicolor | Bicoloured Conebill | Bicolored Conebill |
| Conopias parva | White-ringed Flycatcher | Yellow-throated Flycatcher |
| Conopophila rufogularis | Red-throated Honeyeater | Rufous-throated Honeyeater |
| Conothraupis speculigera | Black & White Tanager | Black-and-white Tanager |
| Contopus fumigatus | Smoke-coloured Pewee | Smoke-colored Pewee |
| Copsychus albospecularis | Madagascar Magpie Robin | Madagascar Magpie-Robin |
| 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 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 cinerea | Madagascar Cuckoo Shrike | Ashy Cuckooshrike |
| Coracina coerulescens | Philippine Black Greybird | Blackish Cuckooshrike |
| 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 montana | Black-bellied Greybird | Black-bellied Cuckooshrike |
| 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 temminckii | Caerulean Cuckoo Shrike | Cerulean Cuckooshrike |
| Coracina tenuirostris | Common Cicadabird | Slender-billed Cicadabird |
| Coracina typica | Mauritius Greybird | Mauritius Cuckooshrike |
| Coragyps atratus | American Black Vulture | Black Vulture |
| Corapipo leucorrhoa | White-ruffed Manakin | White-bibbed Manakin |
| Corvus albicollis | African White-necked Raven | White-necked Raven |
| Corvus capensis | Black Crow | Cape Crow |
| Corvus cryptoleucus | White-necked Raven | Chihuahuan Raven |
| Corvus kubaryi | Marianas Crow | Mariana Crow |
| Corvus monedula | Jackdaw | Eurasian Jackdaw |
| Corvus orru | Australian Crow | Torresian Crow |
| Corvus validus | Moluccan Crow | Long-billed Crow |
| Corythaixoides concolor | Go-away Bird | Grey Go-away-bird |
| Corythopis delalandi | Delalande's Antpipit | Southern Antpipit |
| 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 ridgwayi | Ridgway's Cotinga | Turquoise Cotinga |
| Coturnix chinensis | Indian Blue Quail | Blue-breasted 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 |
| Crinifer piscator | Grey Plantain-eater | Western Grey Plantain-eater |
| Crocias albonotatus | Spotted Sibia | Spotted Crocias |
| Crocias langbianis | Mount Langbian Sibia | Grey-crowned Crocias |
| 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 salvadorii | Ethiopian Crimson-wing | Abyssinian Crimson-wing |
| Crypturellus erythropus | Red-footed Tinamou | Red-legged Tinamou |
| Cuculus canorus | Eurasian Cuckoo | Common Cuckoo |
| Cuculus crassirostris | Sulawesi Hawk Cuckoo | Sulawesi Hawk-Cuckoo |
| Cuculus fugax | Fugitive Hawk Cuckoo | Hodgson's Hawk-Cuckoo |
| Cuculus micropterus | Short-winged Cuckoo | Indian Cuckoo |
| Cuculus poliocephalus | Small Cuckoo | Lesser 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 |
| Cursorius cursor | Cream-coloured Courser | Cream-colored Courser |
| Cutia nipalensis | Nepal Cutia | Cutia |
| Cyanoliseus patagonus | Patagonian Conure | Burrowing Parakeet |
| Cyanolyca armillata | Collared Jay | Black-collared Jay |
| Cyanopsitta spixii | Spix's Macaw | Little Blue Macaw |
| Cyanoptila cyanomelana | Blue & White Flycatcher | Blue-and-white Flycatcher |
| Cyanoramphus cookii | Norfolk Parakeet | Norfolk Island 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 |
| Cymbirhynchus macrorhynchos | Black & Red Broadbill | Black-and-red Broadbill |
| Cypsiurus parvus | African Palm Swift | African Palm-Swift |
| Dacelo gaudichaud | Rufous-bellied Giant Kingfisher | Rufous-bellied Kookaburra |
| Dacelo tyro | Aru Giant Kingfisher | Spangled Kookaburra |
| Daphoenositta miranda | Pink-faced Nuthatch | Black Sittella |
| Daption capense | Pintado Petrel | Cape Petrel |
| Daptrius ater | Yellow-throated Caracara | Black Caracara |
| Dasyornis brachypterus | Common Bristlebird | Eastern Bristlebird |
| 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 |
| Dendragapus falcipennis | Siberian Spruce Grouse | Siberian Grouse |
| 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 hoffmannsi | Hoffmann's Woodcreeper | Hoffmanns's 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 angelae | Elfin Woods Warbler | Elfin-woods Warbler |
| Dendroica pharetra | Arrow-headed Warbler | Arrowhead Warbler |
| Dendropicos abyssinicus | Gold-mantled Woodpecker | Abyssinian 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 annae | Sunda Flowerpecker | Golden-rumped Flowerpecker |
| Dicaeum anthonyi | Yellow-crowned Flowerpecker | Flame-crowned Flowerpecker |
| Dicaeum australe | Philippine Flowerpecker | Red-striped Flowerpecker |
| Dicaeum bicolor | Bicoloured Flowerpecker | Bicolored Flowerpecker |
| Dicaeum celebicum | Black-sided Flowerpecker | Grey-sided Flowerpecker |
| Dicaeum erythrorhynchos | Tickell's Flowerpecker | Pale-billed Flowerpecker |
| Dicaeum erythrothorax | White-throated Flowerpecker | Flame-breasted Flowerpecker |
| Dicaeum eximium | New Ireland Flowerpecker | Red-banded 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 monticolum | Bornean Fire-breasted Flowerpecker | Black-sided Flowerpecker |
| Dicaeum nehrkorni | Red-headed Flowerpecker | Crimson-crowned Flowerpecker |
| Dicaeum proprium | Grey-breasted Flowerpecker | Whiskered Flowerpecker |
| Dicaeum pygmaeum | Palawan Flowerpecker | Pygmy Flowerpecker |
| Dicaeum retrocinctum | Mindoro Flowerpecker | Scarlet-collared Flowerpecker |
| Dicaeum tristrami | San Cristobal Flowerpecker | Mottled Flowerpecker |
| Dicaeum vincens | Legge's Flowerpecker | White-throated Flowerpecker |
| Dicaeum vulneratum | Ashy-fronted Flowerpecker | Ashy Flowerpecker |
| Dichrozona cincta | Banded Antcatcher | Banded Antbird |
| Dicrurus balicassius | Balicassio Drongo | Balicassiao |
| Dicrurus megarhynchus | New Ireland Drongo | Ribbon-tailed Drongo |
| 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 shorii | Himalayan Gold-backed Woodpecker | Himalayan Flameback |
| Diuca diuca | Common Diuca Finch | Common Diuca-Finch |
| Diuca speculifera | White-winged Diuca Finch | White-winged Diuca-Finch |
| Donacobius atricapillus | Black-capped Mocking Thrush | Black-capped Donacobius |
| Donacospiza albifrons | Long-tailed Reed Finch | Long-tailed Reed-Finch |
| Drymodes brunneopygia | Southern Scrub Robin | Southern Scrub-Robin |
| Drymodes superciliaris | Northern Scrub Robin | Northern Scrub-Robin |
| Drymophila rubricollis | Bertoni's Antwren | Bertoni's Antbird |
| Drymornis bridgesii | Scimitar-billed Woodhewer | Scimitar-billed Woodcreeper |
| Dryoscopus gambensis | Puffback | Northern Puffback |
| Dryoscopus sabini | Sabine's Puffback | Large-billed 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 |
| Dumetella carolinensis | Catbird | Grey Catbird |
| Dumetia hyperythra | Rufous-bellied Babbler | Tawny-bellied Babbler |
| Dysithamnus occidentalis | Western Antvireo | Bicolored Antvireo |
| Egretta eulophotes | Swinhoe's Egret | Chinese Egret |
| Egretta novaehollandiae | White-faced Egret | White-faced Heron |
| Egretta sacra | Reef Heron | Pacific Reef-Egret |
| Egretta tricolor | Louisiana Heron | Tricolored Heron |
| Elanus axillaris | Australian Black-shouldered Kite | Black-shouldered Kite |
| Elanus caeruleus | Black-shouldered Kite | Black-winged Kite |
| Elminia albicauda | White-tailed Blue Flycatcher | White-tailed Blue-Flycatcher |
| Elminia longicauda | Blue Flycatcher | African Blue-Flycatcher |
| Emberiza cabanisi | Cabanis's Yellow Bunting | Cabanis's Bunting |
| Emberiza cioides | Siberian Meadow Bunting | Meadow Bunting |
| 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 impetuani | Larklike Bunting | Lark-like Bunting |
| Emberiza jankowskii | Jankowski's Bunting | Rufous-backed Bunting |
| Emberiza koslowi | Koslow's Bunting | Tibetan Bunting |
| Emberiza pallasi | Pallas' Reed Bunting | Pallas's Bunting |
| Emberiza socotrana | Socotra Mountain Bunting | Socotra Bunting |
| Emberiza stewarti | White-capped Bunting | Chestnut-breasted Bunting |
| Emberiza sulphurata | Japanese Yellow Bunting | Yellow Bunting |
| Emberiza tahapisi | Cinnamon-breasted Rock Bunting | Cinnamon-breasted 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 difficilis | Pacific Slope Flycatcher | Pacific-slope Flycatcher |
| Empidonax oberholseri | Wright's Flycatcher | Dusky Flycatcher |
| Empidonax traillii | Traill's Flycatcher | Willow Flycatcher |
| Enicognathus ferrugineus | Austral Conure | Austral Parakeet |
| Enicognathus leptorhynchus | Slender-billed Conure | Slender-billed Parakeet |
| Enicurus ruficapillus | Chestnut-backed Forktail | Chestnut-naped Forktail |
| Enicurus velatus | Lesser Forktail | Sunda Forktail |
| Enodes erythrophris | Fiery-browed Enodes Starling | Fiery-browed Myna |
| Eos histrio | Red & Blue Lory | Red-and-blue Lory |
| Ephippiorhynchus senegalensis | Saddle-bill Stork | Saddle-billed Stork |
| Epthianura albifrons | White-faced Chat | White-fronted Chat |
| Eremiornis carteri | Spinifex Bird | Spinifex-bird |
| Eremomela badiceps | Brown-crowned Eremomela | Rufous-crowned Eremomela |
| Eremomela pusilla | Smaller Green-backed Eremomela | Senegal Eremomela |
| Eremomela scotops | Green-cap Eremomela | Greencap Eremomela |
| Eremophila bilopha | Temminck's Horned Lark | Temminck's Lark |
| Eriocnemis mirabilis | Colourful Puffleg | Colorful Puffleg |
| Erithacus komadori | Riukiu Robin | Ryukyu Robin |
| Erythrocercus holochlorus | Little Yellow Flycatcher | Yellow 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 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 quartinia | East African Swee Waxbill | Yellow-bellied Waxbill |
| Eubucco versicolor | Versicoloured Barbet | Versicolored Barbet |
| Eudromias morinellus | Dotterel | Eurasian Dotterel |
| Eudynamys scolopacea | Koel | Asian Koel |
| Eudyptes pachyrhynchus | Victoria Penguin | Fiordland Penguin |
| Eudyptes robustus | Snares Island Penguin | Snares Penguin |
| Eudyptes sclateri | Big-crested Penguin | Erect-crested Penguin |
| Eugenes fulgens | Rivoli's Hummingbird | Magnificent Hummingbird |
| Eugerygone rubra | Red-backed Warbler | Garnet Robin |
| Eulabeornis castaneoventris | Chestnut-bellied Rail | Chestnut Rail |
| Eulacestoma nigropectus | Wattled Shrike Tit | Wattled Ploughbill |
| Eupetes macrocerus | Malay Rail Babbler | Malaysian Rail-babbler |
| Eupherusa cyanophrys | Oaxaca Hummingbird | Blue-capped Hummingbird |
| Euphonia chalybea | Green-throated Euphonia | Green-chinned Euphonia |
| Euphonia chrysopasta | Golden-bellied Euphonia | White-lored Euphonia |
| Euphonia elegantissima | Blue-hooded Euphonia | Blue-rumped 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 progne | Long-tailed Whydah | Long-tailed Widowbird |
| Euplectes psammocromius | Mountain Marsh Whydah | Buff-shouldered Widowbird |
| Eupodotis rueppellii | Ruppell's Bustard | Rueppell's Bustard |
| Eupodotis vigorsii | Vigors' Bustard | Karoo Bustard |
| 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 ochromalus | Black & Yellow Broadbill | Black-and-yellow Broadbill |
| Eurynorhynchus pygmeus | Spoon-billed Sandpiper | Spoonbill Sandpiper |
| Eurypyga helias | Sun-Bittern | Sunbittern |
| Eurystomus azureus | Azure Roller | Purple Roller |
| Eurystomus glaucurus | African Broad-billed Roller | Broad-billed 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 |
| Eutrichomyias rowleyi | Rowley's Flycatcher | Cerulean Paradise-Flycatcher |
| Eutriorchis astur | Madagascar Serpent Eagle | Madagascar Serpent-Eagle |
| Falco amurensis | Eastern Red-footed Falcon | Amur Falcon |
| Falco chicquera | Red-headed Falcon | Red-necked Falcon |
| Falco fasciinucha | Taita Falcon | Teita Falcon |
| Falco jugger | Lagger Falcon | Laggar Falcon |
| Falco moluccensis | Moluccan Kestrel | Spotted Kestrel |
| Falco rusticolus | Gyr Falcon | Gyrfalcon |
| Falco subbuteo | Northern Hobby | Eurasian Hobby |
| 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 |
| Ficedula crypta | Vaurie's Flycatcher | Cryptic Flycatcher |
| Ficedula dumetoria | Orange-breasted Flycatcher | Rufous-chested Flycatcher |
| Ficedula harterti | Hartert's Flycatcher | Sumba 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 nigrorufa | Black & Orange Flycatcher | Black-and-rufous Flycatcher |
| Ficedula rufigula | White-vented Flycatcher | Rufous-throated Flycatcher |
| Ficedula sapphira | Sapphire-headed Flycatcher | Sapphire Flycatcher |
| Ficedula strophiata | Orange-gorgetted Flycatcher | Rufous-gorgeted Flycatcher |
| Ficedula superciliaris | White-browed Blue Flycatcher | Ultramarine Flycatcher |
| Ficedula tricolor | Slaty Blue Flycatcher | Slaty-blue Flycatcher |
| 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 |
| 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 |
| Foulehaio carunculata | Carunculated Honeyeater | Wattled Honeyeater |
| Francolinus africanus | Greywing Francolin | Grey-winged Francolin |
| Francolinus camerunensis | Cameroun Mountain Francolin | Cameroon Francolin |
| Francolinus coqui | Coqui's Francolin | Coqui Francolin |
| Francolinus francolinus | Black Partridge | Black Francolin |
| Francolinus gularis | Swamp Partridge | Swamp Francolin |
| Francolinus icterorhynchus | Yellow-billed Francolin | Heuglin's Francolin |
| Francolinus lathami | Latham's Francolin | Forest Francolin |
| Francolinus leucoscepus | Yellow-necked Francolin | Yellow-necked Spurfowl |
| Francolinus levaillantoides | Archer's Greywing Francolin | OrangeRiver Francolin |
| Francolinus nahani | Nahan's Forest Francolin | Nahan's Francolin |
| Francolinus ochropectus | Pale-bellied Francolin | Ochre-breasted Francolin |
| Francolinus pictus | Painted Partridge | Painted Francolin |
| Francolinus pondicerianus | Indian Grey Francolin | Grey Francolin |
| Francolinus psilolaemus | Montane Francolin | Moorland Francolin |
| Francolinus rufopictus | Painted Francolin | Grey-breasted Spurfowl |
| Francolinus swainsonii | Swainson's Francolin | Swainson's Spurfowl |
| 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 teydea | Blue Chaffinch | Teydefinch |
| Fulica ardesiaca | Slate-coloured Coot | Slate-colored Coot |
| Fulica atra | Black Coot | Common Coot |
| Furnarius figulus | White-banded Hornero | Wing-banded Hornero |
| Galbalcyrhynchus leucotis | Chestnut Jacamar | White-eared Jacamar |
| Galbalcyrhynchus purusianus | Purus Jacamar | Chestnut Jacamar |
| Galerida deva | Sykes' Crested Lark | Tawny Lark |
| Galerida malabarica | Thekla Lark | Malabar 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 hardwickii | Japanese Snipe | Latham's Snipe |
| Gallinago paraguaiae | Magellan Snipe | South American Snipe |
| Gallinago stricklandii | Cordilleran Snipe | Fuegian Snipe |
| Gallinula chloropus | Moorhen | Common Moorhen |
| Gallinula mortierii | Tasmanian Native Hen | Tasmanian Native-hen |
| Gallinula nesiotis | Gough Islands Coot | Tristan Moorhen |
| Gallinula pacifica | Samoan Wood Rail | Samoan Moorhen |
| Gallinula ventralis | Black-tailed Native Hen | Black-tailed Native-hen |
| Gallirallus australis | Weka Rail | Weka |
| 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 |
| 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 |
| Geomalia heinrichi | Sulawesi Mountain Thrush | Geomalia |
| Geopelia placida | Gould's Zebra Dove | Peaceful Dove |
| 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 beldingi | Peninsular Yellowthroat | Belding's Yellowthroat |
| Geothlypis flavovelata | Yellow-crowned Yellowthroat | Altamira 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 |
| 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 nuchalis | White-collared Pratincole | Rock 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 californicum | California Pygmy Owl | Northern Pygmy-Owl |
| 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 peruanum | Peruvian Pygmy Owl | Peruvian Pygmy-Owl |
| Glaucidium scheffleri | Eastern Barred Owlet | Scheffler's Owlet |
| Glaucidium siju | Cuban Pygmy Owl | Cuban Pygmy-Owl |
| Glaucidium sjostedti | Chestnut-backed Owlet | Sjostedt's Owlet |
| Glycichaera fallax | White-eyed Honeyeater | Green-backed Honeyeater |
| Goethalsia bella | Pirre Hummingbird | Rufous-cheeked 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 |
| Grallaria erythroleuca | Chestnut-brown Antpitta | Red-and-white Antpitta |
| Grallaria hypoleuca | Bay-backed Antpitta | White-bellied Antpitta |
| Grallaria rufocinerea | Bicoloured Antpitta | Bicolored Antpitta |
| Grallaria watkinsi | Watkins' Antpitta | Scrub Antpitta |
| Grallina bruijni | Torrent Lark | Torrent-lark |
| Grallina cyanoleuca | Magpie Lark | Magpie-lark |
| Graminicola bengalensis | Large Grass Warbler | Rufous-rumped Grassbird |
| Grandala coelicolor | Hodgson's Grandala | Grandala |
| Grus japonensis | Manchurian Crane | Red-crowned Crane |
| Grus leucogeranus | Great White Crane | Siberian Crane |
| Grus vipio | Japanese White-naped Crane | White-naped Crane |
| Gygis alba | White Tern | Common White-Tern |
| Gygis microrhyncha | Little Fairy Tern | Little White-Tern |
| Gymnocichla nudiceps | Bare-crowned Antcatcher | Bare-crowned Antbird |
| Gymnogyps californianus | Californian Condor | California Condor |
| 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 |
| 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 indicus | Long-billed Griffon | Long-billed Vulture |
| Haematopus bachmani | American Black Oystercatcher | Black Oystercatcher |
| Haematopus moquini | African Black Oystercatcher | African Oystercatcher |
| Haematopus ostralegus | Palaearctic Oystercatcher | Eurasian Oystercatcher |
| Haematortyx sanguiniceps | Crimson-headed Wood Partridge | Crimson-headed Partridge |
| Halcyon cyanoventris | Java Kingfisher | Javan Kingfisher |
| Halcyon senegaloides | African Mangrove Kingfisher | Mangrove 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 |
| Hamirostra melanosternon | Black-breasted Buzzard Kite | Black-breasted Buzzard |
| Harpactes reinwardtii | Reinwardt's Blue-tailed Trogon | Blue-tailed Trogon |
| 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 |
| Heliornis fulica | American Finfoot | Sungrebe |
| Hellmayrea gularis | Lafresnaye's White-browed Spinetail | White-browed Spinetail |
| Hemicircus concretus | Grey & Buff Woodpecker | Grey-and-buff Woodpecker |
| 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 parodii | Parodi's Tanager | Parodi's Hemispingus |
| Hemitesia neumanni | Neumann's Short-tailed Warbler | Neumann's Warbler |
| 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 |
| 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 |
| Herpsilochmus pileatus | Black-capped Antwren | Bahia 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 |
| Heteromyias albispecularis | Ground Thicket Robin | Ashy Robin |
| Heteromyias cinereifrons | Grey-headed Thicket Robin | Grey-headed Robin |
| Heterophasia capistrata | Black-capped Sibia | Rufous Sibia |
| Heteroxolmis dominicana | Black & White Monjita | Black-and-white Monjita |
| Hieraaetus ayresii | Ayres' Hawk Eagle | Ayres's Hawk-Eagle |
| Hieraaetus kienerii | Chestnut-bellied Hawk Eagle | Rufous-bellied Eagle |
| Hieraaetus spilogaster | African Hawk Eagle | African Hawk-Eagle |
| Himantopus leucocephalus | Australian Stilt | White-headed Stilt |
| Himantopus melanurus | Black-tailed Stilt | White-backed Stilt |
| Himantopus novaezelandiae | New Zealand Stilt | Black Stilt |
| Hirundapus celebensis | Sulawesi Spinetailed Swift | Purple Needletail |
| Hirundapus cochinchinensis | White-vented Spinetailed Swift | Silver-backed Needletail |
| Hirundo abyssinica | Lesser Striped Swallow | Lesser Striped-Swallow |
| Hirundo concolor | Dusky Crag Martin | Dusky Crag-Martin |
| Hirundo cucullata | Greater Striped Swallow | Greater Striped-Swallow |
| Hirundo fluvicola | Indian Cliff Swallow | Streak-throated Swallow |
| Hirundo fuligula | African Rock Martin | Rock Martin |
| 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 rupestris | Crag Martin | Eurasian Crag-Martin |
| Hirundo semirufa | Red-breasted Swallow | Rufous-chested Swallow |
| Hirundo spilodera | South African Cliff Swallow | South African Swallow |
| Hirundo striolata | Greater Striated Swallow | Striated Swallow |
| Horizorhinus dohrni | Dohrn's Thrush-Babbler | Dohrn's Flycatcher |
| Hydrobates pelagicus | British Storm Petrel | European Storm-Petrel |
| Hyetornis rufigularis | Rufous-breasted Cuckoo | Bay-breasted Cuckoo |
| Hylacola cautus | Shy Heath Wren | Shy Hylacola |
| 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 xantusii | Black-fronted Hummingbird | Xantus's Hummingbird |
| Hylocitrea bonensis | Buff-throated Thickhead | Olive-flanked Whistler |
| Hylomanes momotula | Tody-Motmot | Tody Motmot |
| Hylopezus fulviventris | Fulvous-bellied Antpitta | White-lored Antpitta |
| Hylopezus ochroleucus | Speckle-breasted Antpitta | White-browed Antpitta |
| Hylopezus perspicillatus | Streak-chested Antpitta | Spectacled Antpitta |
| Hylophilus decurtatus | Grey-headed Greenlet | Lesser Greenlet |
| Hylophilus muscicapinus | Buff-chested Greenlet | Buff-cheeked Greenlet |
| Hypargos margaritatus | Rosy Twin-spot | Pink-throated Twinspot |
| Hypargos niveoguttatus | Peters's Twin-spot | Peters's Twinspot |
| Hypocnemoides maculicauda | Band-tailed Antcreeper | Band-tailed Antbird |
| Hypocnemoides melanopogon | Black-chinned Antcreeper | Black-chinned Antbird |
| Hypocryptadius cinnamomeus | Cinnamon White-eye | Cinnamon Ibon |
| Hypogramma hypogrammicum | Blue-naped Sunbird | Purple-naped Sunbird |
| 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 mcclellandii | Mountain Streaked Bulbul | Mountain 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 |
| Icterus pectoralis | Spotted-breasted Oriole | Spot-breasted Oriole |
| Ictinaetus malayensis | Indian Black Eagle | Black Eagle |
| Ifrita kowaldi | Blue-capped Babbler | Ifrit |
| 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 indicator | Black-throated Honeyguide | Greater Honeyguide |
| Indicator meliphilus | Eastern Least Honeyguide | Pallid Honeyguide |
| Indicator pumilio | Pygmy Honeyguide | Dwarf Honeyguide |
| Indicator willcocksi | Willcocks' Honeyguide | Willcocks's Honeyguide |
| Indicator xanthonotus | Indian Honeyguide | Yellow-rumped Honeyguide |
| 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 |
| Ixobrychus sinensis | Chinese Little Bittern | Yellow Bittern |
| Ixobrychus sturmii | African Dwarf Bittern | Dwarf Bittern |
| Jabouilleia danjoui | Danjou's Babbler | Short-tailed Scimitar-Babbler |
| Junco phaeonotus | Mexican Junco | Yellow-eyed Junco |
| Jynx torquilla | Northern Wryneck | Eurasian Wryneck |
| Kakamega poliothorax | Grey-chested Thrush Babbler | Grey-chested Illadopsis |
| Kenopia striata | Striped Wren Babbler | Striped Wren-Babbler |
| 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 poecilocercus | Amazonian Black Tyrant | Amazonian Black-Tyrant |
| Knipolegus signatus | Jelski's Bush Tyrant | Andean 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 |
| 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 |
| Lalage aurea | Red-bellied Triller | Rufous-bellied Triller |
| Lalage leucomela | White-browed Triller | Varied Triller |
| Lalage maculosa | Spotted Triller | Polynesian Triller |
| Lalage melanoleuca | Black & White Triller | Black-and-white Triller |
| Lalage sueurii | White-winged Triller | White-shouldered Triller |
| Lalage tricolor | Australian Triller | White-winged Triller |
| Lampornis castaneoventris | White-throated Mountain Gem | Variable Mountain-gem |
| 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 |
| 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 |
| Laniarius atrococcineus | Burchell's Gonolek | Crimson-breasted Gonolek |
| Laniarius fuelleborni | Fulleborn's Black Boubou | Fuelleborn's Boubou |
| Laniarius funebris | Slate-coloured Boubou | Slate-colored Boubou |
| Laniarius mufumbiri | Mufumbiri Shrike | Papyrus Gonolek |
| Laniarius ruficeps | Red-crowned Bush Shrike | Red-naped Bushshrike |
| Lanioturdus torquatus | Chat-Shrike | Chatshrike |
| Lanius collaris | Fiscal Shrike | Common Fiscal |
| Lanius dorsalis | Taita Fiscal | Teita Fiscal |
| Lanius excubitor | Great Grey Shrike | Northern Shrike |
| Lanius schach | Black-headed Shrike | Long-tailed Shrike |
| Lanius sphenocercus | Chinese Great Grey Shrike | Chinese Grey Shrike |
| Lanius validirostris | Strong-billed Shrike | Mountain Shrike |
| Larus brunnicephalus | Indian Black-headed Gull | Brown-headed Gull |
| Larus bulleri | Buller's Gull | Black-billed Gull |
| Larus californicus | Californian Gull | California Gull |
| Larus crassirostris | Japanese Gull | Black-tailed Gull |
| Larus dominicanus | Southern Black-backed Gull | Kelp Gull |
| Larus fuliginosus | Dusky Gull | Lava Gull |
| Larus marinus | Greater Black-backed Gull | Great Black-backed Gull |
| Larus ridibundus | Black-headed Gull | Common Black-headed Gull |
| Laterallus jamaicensis | American Black Crake | Black Rail |
| Laterallus leucopyrrhus | Red & White Crake | Red-and-white Crake |
| Latoucheornis siemsseni | Fokien Blue Bunting | Slaty Bunting |
| Leiothrix lutea | Pekin Robin | Red-billed Leiothrix |
| Leipoa ocellata | Mallee Fowl | Malleefowl |
| Lepidopyga goudoti | Shining Green Hummingbird | Shining-green Hummingbird |
| 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 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 jamaicensis | White-bellied Dove | Caribbean Dove |
| Leptotila ochraceiventris | Buff-bellied Dove | Ochre-bellied Dove |
| Leptotila verreauxi | White-fronted Dove | White-tipped Dove |
| Lessonia oreas | Salvin's Negrito | Andean Negrito |
| Lessonia rufa | Rufous-backed Negrito | Patagonian Negrito |
| Leucopsar rothschildi | Rothschild's Mynah | Bali Myna |
| Leucopternis schistacea | Slate-coloured Hawk | Slate-colored Hawk |
| Leucopternis semiplumbea | Semi-plumbeous Hawk | Semiplumbeous Hawk |
| 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 flavicans | Timor Honeyeater | Yellow-eared Honeyeater |
| Lichmera incana | Silver-eared Honeyeater | Dark-brown Honeyeater |
| Lichmera lombokia | Lombok Honeyeater | Scaly-crowned Honeyeater |
| Lichmera monticola | Spectacled Honeyeater | Seram Honeyeater |
| Limnodromus semipalmatus | Asiatic Dowitcher | Asian Dowitcher |
| Linurgus olivaceus | Oriole-Finch | Oriole Finch |
| Liocichla omeiensis | Mount Omei Liocichla | Omei Shan Liocichla |
| Lioptilus nigricapillus | Bush Blackcap | Blackcap Mountain-Babbler |
| Lipaugus streptophorus | Rose-coloured Piha | Rose-collared Piha |
| Loboparadisea sericea | Wattle-billed Bird of Paradise | Yellow-breasted Bird-of-paradise |
| 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 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 |
| Lonchura bicolor | Black & White Mannikin | Black-and-white Munia |
| Lonchura caniceps | Grey-headed Mannikin | Grey-headed Munia |
| 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 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 |
| 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 |
| 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 goodfellowi | Goodfellow's White-eye | Black-masked White-eye |
| Lophozosterops superciliaris | White-browed White-eye | Yellow-browed White-eye |
| 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 |
| 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 |
| Lurocalis semitorquatus | Semi-collared Nighthawk | Short-tailed Nighthawk |
| Luscinia megarhynchos | Nightingale | Common Nightingale |
| Lycocorax pyrrhopterus | Paradise Crow | Paradise-crow |
| 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 |
| Macrocephalon maleo | Maleo Fowl | Maleo |
| Macronectes giganteus | Giant Petrel | Antarctic Giant-Petrel |
| Macronectes halli | Hall's Giant Petrel | Hall's Giant-Petrel |
| Macronyx ameliae | Rosy-breasted Longclaw | Rosy-throated Longclaw |
| Macronyx fuellebornii | Fulleborn's Longclaw | Fuelleborn's Longclaw |
| 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 |
| 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 magnirostre | Moustached Tree Babbler | Moustached Babbler |
| Malacopteron palawanense | Palawan Tree Babbler | Melodious Babbler |
| Malcorus pectoralis | Rufous-eared Prinia | Rufous-eared Warbler |
| 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 |
| Mandingoa nitidula | Green-backed Twin-spot | Green-backed Twinspot |
| 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 |
| Megaceryle lugubris | Greater Pied Kingfisher | Crested Kingfisher |
| Megalaima armillaris | Blue-crowned Barbet | Flame-fronted Barbet |
| Megalaima eximia | Black-throated Barbet | Bornean Barbet |
| Megalaima haemacephala | Crimson-breasted Barbet | Coppersmith Barbet |
| Megalaima incognita | Hume's Blue-throated Barbet | Moustached Barbet |
| Megalaima mystacophanos | Gaudy Barbet | Red-throated Barbet |
| Megalaima oorti | Muller's Barbet | Black-browed Barbet |
| Megalaima rafflesii | Many-coloured Barbet | Red-crowned Barbet |
| Megalaima rubricapilla | Crimson-throated Barbet | Crimson-fronted 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 |
| Megazosterops palauensis | Palau White-eye | Giant White-eye |
| Meiglyptes jugularis | Black & Buff Woodpecker | Black-and-buff 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 |
| Melamprosops phaeosoma | Po'ouli | Poo-uli |
| Melanerpes cruentatus | Red-fronted Woodpecker | Yellow-tufted Woodpecker |
| Melanerpes lewis | Lewis' Woodpecker | Lewis's Woodpecker |
| Melanerpes superciliaris | Great Red-bellied Woodpecker | West Indian Woodpecker |
| Melanitta fusca | Velvet Scoter | White-winged Scoter |
| Melanocharis longicauda | Mid-mountain Berrypecker | Lemon-breasted Berrypecker |
| Melanocorypha maxima | Long-billed Calandra Lark | Tibetan Lark |
| Melanodera melanodera | Black-throated Finch | Canary-winged 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 |
| Melanotis hypoleucus | Blue & White Mockingbird | Blue-and-white Mockingbird |
| Meleagris gallopavo | Common Turkey | Wild Turkey |
| 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 |
| Melierax poliopterus | Somali Chanting-Goshawk | Eastern Chanting-Goshawk |
| Meliphaga albilineata | White-striped Honeyeater | White-lined Honeyeater |
| Meliphaga albonotata | White-marked Honeyeater | Scrub Honeyeater |
| Meliphaga analoga | Mimic Meliphaga | Mimic 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 |
| Melocichla mentalis | Moustached Grass Warbler | Moustached Grass-Warbler |
| Melospiza lincolnii | Lincoln Sparrow | Lincoln's 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 |
| Mergus merganser | Goosander | Common 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 |
| 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 |
| Microbates cinereiventris | Half-collared Gnatwren | Tawny-faced Gnatwren |
| Microcerculus marginatus | Scaly-breasted Wren | Southern Nightingale-Wren |
| Microcerculus philomela | Nightingale Wren | Northern Nightingale-Wren |
| 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 latifrons | Bornean Falconet | White-fronted Falconet |
| Microligea palustris | Green-tailed Ground Warbler | Green-tailed Warbler |
| Micromacronus leytensis | Leyte Tit-Babbler | Miniature Tit-Babbler |
| 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 |
| Milvago chimango | Chimango | Chimango Caracara |
| Mimizuku gurneyi | Giant Scops Owl | Lesser Eagle-Owl |
| Mimodes graysoni | Socorro Thrasher | Socorro Mockingbird |
| Mino anais | Golden-breasted Mynah | Golden Myna |
| Mino dumontii | Yellow-faced Mynah | Yellow-faced Myna |
| Mirafra africanoides | Fawn-coloured Lark | Fawn-colored Lark |
| Mirafra albicauda | White-tailed Bush Lark | White-tailed 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 erythroptera | Indian Red-winged Lark | Indian 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 rufa | Rusty Bush Lark | Rusty Lark |
| Mirafra somalica | Somali Lark | Somali Long-billed Lark |
| 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 |
| Monachella muelleriana | River Flycatcher | Torrent Robin |
| Monarcha barbatus | Pied Monarch | Black-and-white Monarch |
| Monarcha chrysomela | Black & Yellow Monarch | Golden Monarch |
| Monarcha cinerascens | Island Grey-headed Monarch | Island Monarch |
| Monarcha infelix | Unhappy Monarch | Manus Monarch |
| Monarcha julianae | Kofiau Monarch | Black-backed Monarch |
| Monarcha leucurus | Kai Monarch | White-tailed 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 richardsii | Richard's Monarch | White-capped Monarch |
| Monarcha sacerdotum | Mees' Monarch | Flores Monarch |
| Monarcha verticalis | Bismarck Monarch | Black-tailed Monarch |
| Monarcha viduus | San Cristobal Monarch | White-collared Monarch |
| 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 |
| Motacilla alba | Pied Wagtail | White Wagtail |
| Motacilla grandis | Japanese Pied Wagtail | Japanese Wagtail |
| Mulleripicus fulvus | Fulvous Woodpecker | Ashy 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 gambagae | Gambaga Spotted Flycatcher | Gambaga Flycatcher |
| Muscicapa infuscata | African Sooty Flycatcher | Sooty Flycatcher |
| Muscicapa lendu | Chapin's Flycatcher | Chapin's Alseonax |
| Muscicapa olivascens | Olivaceous Flycatcher | Olivaceous Alseonax |
| Muscicapa ruficauda | Rufous-tailed Flycatcher | Rusty-tailed Flycatcher |
| Muscicapa sethsmithi | Yellow-footed Flycatcher | Yellow-footed Alseonax |
| Muscicapa sibirica | Siberian Flycatcher | Dark-sided Flycatcher |
| Muscicapa ussheri | Ussher's Dusky Flycatcher | Ussher's Flycatcher |
| Muscigralla brevicauda | Short-tailed Field Tyrant | Short-tailed Field-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 porphyreolopha | Violet-crested Turaco | Purple-crested Turaco |
| Musophaga rossae | Lady Ross's Turaco | Ross's Turaco |
| Myadestes lanaiensis | Lanai Thrush | Olomao |
| Myadestes myadestinus | Large Kauai Thrush | Kamao |
| Myadestes obscurus | Hawaiian Thrush | Omao |
| Myadestes palmeri | Small Kauai Thrush | Puaiohi |
| Myadestes unicolor | Slate-coloured Solitaire | Slate-colored Solitaire |
| Mycteria americana | American Wood Ibis | Wood Stork |
| Myiagra albiventris | White-vented Flycatcher | Samoan 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 galeata | Helmet Flycatcher | Dark-grey Flycatcher |
| Myiagra oceanica | Micronesian Myiagra Flycatcher | Oceanic Flycatcher |
| Myiagra vanikorensis | Red-bellied Flycatcher | Vanikoro Flycatcher |
| Myiarchus magnirostris | Galapagos Flycatcher | Large-billed Flycatcher |
| Myiarchus nuttingi | Pale-throated Flycatcher | Nutting's Flycatcher |
| Myiarchus oberi | Wied's Crested Flycatcher | Lesser Antillean Flycatcher |
| Myiarchus tuberculifer | Olivaceous Flycatcher | Dusky-capped Flycatcher |
| Myiarchus tyrannulus | Brown Crested Flycatcher | Brown-crested Flycatcher |
| Myiopagis cotta | Yellow Elaenia | Jamaican 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 |
| 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 |
| Myornis senilis | Ash-coloured Tapaculo | Ash-colored Tapaculo |
| Myrmeciza longipes | Swainson's Antcatcher | White-bellied 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 tholloni | Congo Moorchat | Congo Moor-Chat |
| Myrmochanes hemileucus | Black & White Antcatcher | Black-and-white Antbird |
| Myrmornis torquata | Wing-banded Ant-thrush | Wing-banded Antbird |
| Myrmotherula unicolor | Unicoloured Antwren | Unicolored Antwren |
| 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 |
| Nandayus nenday | Nanday Conure | Nanday Parakeet |
| 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 |
| Neafrapus boehmi | Boehm's Spinetailed Swift | Bat-like Spinetail |
| Neafrapus cassini | Cassin's Spinetailed Swift | Cassin's Spinetail |
| Nectarinia batesi | Bates's Olive Sunbird | Bates'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 congensis | Congo Black-bellied Sunbird | Congo Sunbird |
| Nectarinia cuprea | Coppery Sunbird | Copper Sunbird |
| Nectarinia cyanolaema | Blue-throated Sunbird | Blue-throated Brown Sunbird |
| Nectarinia famosa | Yellow-tufted Malachite Sunbird | Malachite Sunbird |
| Nectarinia johannae | Madame Verreaux's Sunbird | Johanna's Sunbird |
| Nectarinia johnstoni | Red-tufted Malachite Sunbird | Red-tufted Sunbird |
| Nectarinia lotenia | Loten's Sunbird | Long-billed Sunbird |
| Nectarinia minima | Small Sunbird | Crimson-backed Sunbird |
| Nectarinia nectarinioides | Smaller Black-bellied Sunbird | Black-bellied Sunbird |
| Nectarinia newtonii | Newton's Yellow-breasted Sunbird | Newton's Sunbird |
| Nectarinia notata | Noted Sunbird | Long-billed Green 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 solaris | Timor Sunbird | Flame-breasted Sunbird |
| Nectarinia sperata | Van Hasselt's Sunbird | Purple-throated 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 veroxii | Mouse-coloured Sunbird | Mouse-colored Sunbird |
| 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 |
| Neodrepanis coruscans | Wattled False Sunbird | Sunbird Asity |
| Neolalage banksiana | Buff-bellied Flycatcher | Buff-bellied Monarch |
| 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 |
| 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 |
| Neotis denhami | Denham's Bustard | Stanley Bustard |
| 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 |
| Nesofregetta fuliginosa | White-throated Storm Petrel | Polynesian Storm-Petrel |
| Nesomimus trifasciatus | Galapagos Mockingbird | Charles Mockingbird |
| Nesotriccus ridgwayi | Cocos Island Flycatcher | Cocos Flycatcher |
| Nestor meridionalis | Kaka | New Zealand Kaka |
| Netta peposaca | Rosybill | Rosy-billed 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 fanovanae | Fanovana Newtonia | Red-tailed Newtonia |
| Nicator chloris | Western Nicator | Yellow-spotted 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 sumatrana | Sumatran Niltava | Rufous-vented Niltava |
| Ninox affinis | Andaman Hawk Owl | Andaman Hawk-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 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 ruficapilla | Grey-cheeked Nunlet | Rufous-capped Nunlet |
| Nothoprocta perdicaria | Chilian Tinamou | Chilean Tinamou |
| Notiochelidon cyanoleuca | Blue & White Swallow | Blue-and-white Swallow |
| Notiomystis cincta | Stitch-bird | Stitchbird |
| Numenius arquata | Western Curlew | Eurasian Curlew |
| Nyctibius griseus | Common Potoo | Grey Potoo |
| Nycticorax caledonicus | Nankeen Night Heron | Rufous Night-Heron |
| Nycticorax nycticorax | Black-crowned Night Heron | Black-crowned Night-Heron |
| Nyctidromus albicollis | Common Pauraque | Pauraque |
| Nyctyornis amictus | Red-bearded Bee Eater | Red-bearded Bee-eater |
| Nyctyornis athertoni | Blue-bearded Bee Eater | Blue-bearded Bee-eater |
| 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 |
| 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 |
| Oedistoma pygmaeum | Pygmy Honeyeater | Pygmy Longbill |
| Oenanthe bottae | Red-breasted Wheatear | Botta's Wheatear |
| Oenanthe leucopyga | White-crowned Black Wheatear | White-tailed Wheatear |
| Oenanthe lugentoides | South Arabian Wheatear | Arabian Wheatear |
| Oenanthe xanthoprymna | Red-tailed Wheatear | Rufous-tailed Wheatear |
| Ognorhynchus icterotis | Yellow-eared Conure | Yellow-eared Parrot |
| Onychognathus blythii | Somali Chestnut-winged Starling | Somali Starling |
| Onychognathus frater | Socotra Chestnut-winged Starling | Socotra Starling |
| Onychognathus morio | African Red-winged Starling | Red-winged Starling |
| Onychognathus tenuirostris | Slender-billed Red-winged Starling | Slender-billed Starling |
| Onychognathus walleri | Waller's Red-winged Starling | Waller's Starling |
| Ophrysia superciliosa | Himalayan Mountain Quail | Himalayan Quail |
| Oreopsittacus arfaki | Whiskered Lorikeet | Plum-faced Lorikeet |
| Oreostruthus fuliginosus | Crimson-sided Mountain Finch | Mountain Firetail |
| Origma solitaria | Rock Warbler | Origma |
| Oriolus auratus | African Golden Oriole | African Golden-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 isabellae | Isabella Oriole | Isabela Oriole |
| Oriolus melanotis | Olive Brown Oriole | Olive-brown Oriole |
| Oriolus mellianus | Stresemann's Maroon Oriole | Silver Oriole |
| Oriolus oriolus | Golden Oriole | Eurasian Golden-Oriole |
| Oriolus percivali | Montane Oriole | Black-tailed Oriole |
| Oriolus phaeochromus | Dusky Brown Oriole | Dusky-brown Oriole |
| Oriolus xanthornus | Asian Black-headed Oriole | Black-hooded Oriole |
| Ortalis motmot | Variable Chachalaca | Little Chachalaca |
| Orthonyx spaldingii | Spalding's Logrunner | Chowchilla |
| Orthonyx temminckii | Spine-tailed Logrunner | Logrunner |
| 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 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 |
| 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 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 |
| Oxylophus jacobinus | Black & White Cuckoo | Pied Cuckoo |
| Oxyura australis | Australian Blue-billed Duck | Blue-billed Duck |
| Oxyura vittata | Argentine Lake Duck | Lake Duck |
| Pachycare flavogrisea | Golden-faced Pachycare | Goldenface |
| Pachycephala aurea | Yellow-backed Whistler | Golden-backed Whistler |
| Pachycephala flavifrons | Yellow-fronted Whistler | Samoan 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 melanura | Mangrove Golden Whistler | Black-tailed Whistler |
| Pachycephala monacha | Aru Whistler | Black-headed Whistler |
| Pachycephala schlegelii | Schlegel's Whistler | Regent Whistler |
| Pachycephala simplex | Grey Whistler | Brown 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 |
| Pachyptila crassirostris | Thick-billed Prion | Fulmar Prion |
| Pachyptila desolata | Dove Prion | Antarctic Prion |
| Pachyptila salvini | Salvin's Prion | Medium-billed Prion |
| Pachyramphus albogriseus | Black & White Becard | Black-and-white Becard |
| Pachyramphus homochrous | One-coloured Becard | One-colored Becard |
| Pachyramphus validus | Plain Becard | Crested Becard |
| Padda fuscata | Timor Dusky Sparrow | Timor Sparrow |
| Palmeria dolei | Crested Honeycreeper | Akohekohe |
| Panurus biarmicus | Bearded Reedling | Bearded Parrotbill |
| Parabuteo unicinctus | Harris' Hawk | Harris's Hawk |
| 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 atrosuperciliaris | Lesser Red-headed Parrotbill | Black-browed 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 heudei | Heude's Parrotbill | Reed Parrotbill |
| Paradoxornis nipalensis | Blyth's Parrotbill | Black-throated Parrotbill |
| Paradoxornis przewalskii | Grey-crowned Parrotbill | Rusty-throated Parrotbill |
| Paradoxornis ruficeps | Greater Red-headed Parrotbill | Rufous-headed Parrotbill |
| Paradoxornis zappeyi | Zappey's Parrotbill | Grey-hooded Parrotbill |
| Pardalotus striatus | Yellow-tipped Pardalote | Striated Pardalote |
| Parmoptila woodhousei | Flowerpecker Weaver Finch | Woodhouse's Antpecker |
| 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 cinerascens | Acacia Grey Tit | Ashy Tit |
| Parus davidi | Pere David's Tit | Rusty-breasted Tit |
| Parus dichrous | Brown Crested Tit | Grey-crested Tit |
| Parus griseiventris | Miombo Grey Tit | Miombo Tit |
| Parus holsti | Formosan Yellow Tit | Yellow Tit |
| Parus leucomelas | White-winged Black Tit | White-winged Tit |
| Parus leuconotus | White-backed Black Tit | White-backed Tit |
| Parus melanolophus | Vigors' Crested Tit | Black-crested Tit |
| Parus niger | Southern Black Tit | Black Tit |
| Parus rubidiventris | Black-crested Tit | Rufous-vented Tit |
| Parus rufonuchalis | Rufous-naped Tit | Dark-grey Tit |
| Parus spilonotus | Chinese Yellow Tit | Yellow-cheeked Tit |
| Parus xanthogenys | Black-spotted Yellow Tit | Black-lored Tit |
| Passer flaveolus | Pegu House Sparrow | Plain-backed Sparrow |
| Passer melanurus | Cape Sparrow | Mossie |
| 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 |
| Pavo cristatus | Common Peafowl | Indian 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 onocrotalus | Eastern White Pelican | Great White Pelican |
| Pelecanus philippensis | Grey Pelican | Spot-billed Pelican |
| Pellorneum albiventre | Plain Brown Babbler | Spot-throated 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 |
| Penelopides exarhatus | Temminck's Hornbill | Sulawesi Hornbill |
| Penelopides panini | Rufous-tailed Hornbill | Tarictic Hornbill |
| 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 lophotes | Rufous-crested Antbird | White-lined 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 |
| Pericrocotus erythropygius | Jerdon's Minivet | White-bellied Minivet |
| Pericrocotus solaris | Yellow-throated Minivet | Grey-chinned Minivet |
| Periporphyrus erythromelas | Red & Black Grosbeak | Red-and-black Grosbeak |
| 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 bivittata | Forest Robin | Alpine Robin |
| Petroica macrocephala | New Zealand Tit | Tomtit |
| 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 |
| Pezopetes capitalis | Big-footed Sparrow | Large-footed Finch |
| 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 |
| 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 |
| Phainoptila melanoxantha | Black & Yellow Silky Flycatcher | Black-and-yellow Silky-flycatcher |
| Phalacrocorax africanus | Reed Cormorant | Long-tailed Cormorant |
| Phalacrocorax aristotelis | Shag | European Shag |
| Phalacrocorax campbelli | Campbell Islands Cormorant | Campbell Island Shag |
| Phalacrocorax carunculatus | Rough-faced Cormorant | Rough-faced Shag |
| Phalacrocorax featherstoni | Chatham Islands Cormorant | Pitt Island Shag |
| Phalacrocorax georgianus | South Georgia Cormorant | South Georgia Shag |
| Phalacrocorax magellanicus | Magellan Cormorant | Rock Shag |
| Phalacrocorax niger | Javanese Cormorant | Little Cormorant |
| Phalacrocorax punctatus | Spotted Cormorant | Spotted Shag |
| Phalacrocorax verrucosus | Kerguelen Cormorant | Kerguelen Shag |
| Phalcoboenus australis | Forster's Caracara | Striated Caracara |
| Phapitreron amethystina | Greater Brown Fruit Dove | Amethyst Brown-Dove |
| Phapitreron leucotis | Lesser Brown Fruit Dove | White-eared Brown-Dove |
| Phaps histrionica | Flock Pigeon | Flock Bronzewing |
| Phegornis mitchellii | Mitchell's Plover | Diademed Sandpiper-Plover |
| Pheucticus chrysogaster | Yellow-bellied Grosbeak | Golden-bellied Grosbeak |
| Philemon buceroides | Timor Helmeted Friarbird | Helmeted Friarbird |
| Philemon moluccensis | Moluccas Friarbird | Black-faced Friarbird |
| Philentoma pyrhopterum | Chestnut-winged Monarch | Rufous-winged Philentoma |
| Philentoma velatum | Maroon-breasted Monarch | Maroon-breasted Philentoma |
| Philydor lichtensteini | Lichtenstein's Foliage-gleaner | Ochre-breasted Foliage-gleaner |
| Phimosus infuscatus | Bare-faced Ibis | Whispering Ibis |
| Phodilus badius | Bay Owl | Oriental Bay-Owl |
| Phodilus prigoginei | Tanzanian Bay Owl | Congo Bay-Owl |
| Phoebetria palpebrata | Light-mantled Sooty Albatross | Light-mantled Albatross |
| 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 caeruleocephalus | Blue-headed Redstart | Blue-capped Redstart |
| Phoenicurus erythrogaster | Guldenstadt's Redstart | White-winged 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 notabilis | White-bellied Honeyeater | New Hebrides Honeyeater |
| Phylidonyris novaehollandiae | Yellow-winged Honeyeater | New Holland Honeyeater |
| 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 fulviventris | Pale Olive Greenbul | Pale-olive Greenbul |
| Phyllastrephus hypochloris | Toro Olive Greenbul | Toro Olive-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 scandens | Leaf-Love | Leaf-love |
| Phyllastrephus tenebrosus | Dusky Tetraka | Dusky Greenbul |
| Phyllastrephus zosterops | Short-billed Tetraka | Spectacled Greenbul |
| Phylloscartes ceciliae | Long-tailed Tyrannulet | Alagoas 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 lanyoni | Antioquia Bristle Tyrant | Antioquia Bristle-Tyrant |
| Phylloscartes ophthalmicus | Marble-faced Bristle Tyrant | Marble-faced Bristle-Tyrant |
| Phylloscartes orbitalis | Spectacled Bristle Tyrant | Spectacled Bristle-Tyrant |
| Phylloscartes poecilotis | Variegated Bristle Tyrant | Variegated Bristle-Tyrant |
| Phylloscartes roquettei | Minas Geraes Tyrannulet | Minas Gerais Tyrannulet |
| Phylloscartes venezuelanus | Venezuelan Bristle Tyrant | Venezuelan Bristle-Tyrant |
| 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 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 coronatus | Temminck's Crowned Willow Warbler | Eastern Crowned-Warbler |
| Phylloscopus davisoni | White-tailed Willow Warbler | White-tailed Leaf-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 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 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 tytleri | Tytler's Willow Warbler | Tytler's Leaf-Warbler |
| Phylloscopus umbrovirens | Brown Woodland Warbler | Brown Woodland-Warbler |
| Phytotoma rara | Chilean Plantcutter | Rufous-tailed Plantcutter |
| Phytotoma rutila | Red-breasted Plantcutter | White-tipped Plantcutter |
| Picathartes gymnocephalus | White-necked Bald Crow | White-necked Rockfowl |
| Picathartes oreas | Grey-necked Bald Crow | Grey-necked Rockfowl |
| Piculus aurulentus | White-browed Woodpecker | Yellow-browed Woodpecker |
| Picus awokera | Wavy-bellied Woodpecker | Japanese Woodpecker |
| Picus chlorolophus | Lesser Yellow-naped Woodpecker | Lesser Yellownape |
| Picus flavinucha | Greater Yellow-naped Woodpecker | Greater Yellownape |
| Picus mineaceus | Banded Red Woodpecker | Banded Woodpecker |
| Picus viridis | Green Woodpecker | Eurasian Green Woodpecker |
| Pinaroloxias inornata | Cocos Finch | Cocos Island Finch |
| 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 pileata | Red-capped Parrot | Pileated Parrot |
| Pionus senilis | White-capped Parrot | White-crowned Parrot |
| Pionus tumultuosus | Plum-crowned Parrot | Speckle-faced Parrot |
| Pipra coeruleocapilla | Caerulean-capped Manakin | Cerulean-capped Manakin |
| Pipreola riefferii | Green & Black Fruiteater | Green-and-black 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 |
| Pithecophaga jefferyi | Philippine Eagle | Great Philippine Eagle |
| Pithys albifrons | White-faced Antcatcher | White-plumed Antbird |
| Pithys castanea | White-masked Antcatcher | White-masked Antbird |
| Pitohui dichrous | Black-headed Pitohui | Hooded Pitohui |
| Pitohui incertus | Mottle-breasted Pitohui | White-bellied Pitohui |
| Pitta brachyura | Blue-winged Pitta | Indian Pitta |
| Pitta elliotii | Elliot's Pitta | Bar-bellied Pitta |
| Pitta erythrogaster | Red-breasted Pitta | Red-bellied Pitta |
| Pitta guajana | Blue-tailed Pitta | Banded Pitta |
| Pitta kochi | Koch's Pitta | Whiskered Pitta |
| Pitta maxima | Great Pitta | Ivory-breasted Pitta |
| Pitta moluccensis | Moluccan Pitta | Blue-winged Pitta |
| Pitta oatesi | Fulvous Pitta | Rusty-naped Pitta |
| Pitta phayrei | Phayre's Pitta | Eared Pitta |
| Pitta soror | Blue-backed Pitta | Blue-rumped Pitta |
| Pitta venusta | Black-crowned Garnet Pitta | Black-crowned Pitta |
| Pitylus grossus | Slate-coloured Grosbeak | Slate-colored Grosbeak |
| Platalea leucorodia | White Spoonbill | Eurasian Spoonbill |
| Platylophus galericulatus | Crested Shrike-Jay | Crested Jay |
| Platysmurus leucopterus | White-winged Magpie | Black Magpie |
| Platysteira chalybea | Reichenow's Wattle-eye | Black-necked Wattle-eye |
| Platysteira laticincta | Bamenda Wattle-eye | Banded Wattle-eye |
| 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 aureonucha | Gold-naped Weaver | Golden-naped Weaver |
| Ploceus benghalensis | Bengal Weaver | Black-breasted Weaver |
| Ploceus galbula | Ruppell's Weaver | Rueppell's Weaver |
| Ploceus heuglini | Heuglin's Masked Weaver | Heuglin's 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 megarhynchus | Finn's Weaver | Yellow Weaver |
| Ploceus olivaceiceps | Olive-headed Golden Weaver | Olive-headed 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 ruweti | Lufira Masked Weaver | Ruwet's Masked-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 velatus | African Masked Weaver | Southern Masked-Weaver |
| Ploceus victoriae | Lake Victoria Weaver | Victoria Masked-Weaver |
| Ploceus vitellinus | Vitelline Masked Weaver | Vitelline Masked-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 |
| 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 |
| Podica senegalensis | Peters' Finfoot | African Finfoot |
| Podiceps auritus | Slavonian Grebe | Horned 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 brachyura | White-breasted Robin | Black-chinned Robin |
| Poecilodryas hypoleuca | Black & White Robin | Black-sided Robin |
| Poecilotriccus albifacies | White-cheeked Tody Tyrant | White-cheeked Tody-Tyrant |
| Poecilotriccus ruficeps | Rufous-crowned Tody Tyrant | Rufous-crowned Tody-Tyrant |
| Pogoniulus coryphaeus | Western Green Tinkerbird | Western Green-Tinkerbird |
| Pogoniulus leucomystax | Moustached Green Tinkerbird | Moustached Green-Tinkerbird |
| Pogoniulus simplex | Green Tinkerbird | African Green-Tinkerbird |
| Pogonocichla stellata | White Starred Robin | White-starred Robin |
| Poicephalus crassus | Niam-Niam Parrot | Niam-niam Parrot |
| Poicephalus flavifrons | Yellow-faced Parrot | Yellow-fronted Parrot |
| Poicephalus meyeri | Brown Parrot | Meyer's Parrot |
| Poicephalus rueppellii | Ruppell's Parrot | Rueppell's Parrot |
| Polihierax insignis | White-rumped Pygmy Falcon | White-rumped Falcon |
| Polihierax semitorquatus | African Pygmy Falcon | Pygmy Falcon |
| Polioptila lactea | Cream-bellied Gnatcatcher | Creamy-bellied Gnatcatcher |
| Polyboroides radiatus | Madagascar Harrier Hawk | Madagascar Harrier-Hawk |
| Polyboroides typus | African Harrier Hawk | African Harrier-Hawk |
| Polyborus plancus | Common Caracara | Crested Caracara |
| Polyplectron bicalcaratum | Burmese Peacock-Pheasant | Grey Peacock-Pheasant |
| Polyplectron chalcurum | Sumatran Peacock-Pheasant | Bronze-tailed Peacock-Pheasant |
| Polyplectron inopinatum | Rothschild's Peacock-Pheasant | Mountain Peacock-Pheasant |
| Polyplectron malacense | Malay Peacock-Pheasant | Malayan Peacock-Pheasant |
| Polytelis alexandrae | Princess Parrot | Alexandra's Parrot |
| 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 |
| 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 |
| Porphyrospiza caerulescens | Blue Finch | Yellow-billed Blue Finch |
| Porzana albicollis | White-throated Crake | Ash-throated Crake |
| Porzana carolina | Sora Crake | Sora |
| Porzana cinerea | White-browed Rail | White-browed Crake |
| Porzana fluminea | Australian Spotted Crake | Australian Crake |
| Porzana tabuensis | Sooty Crake | Spotless Crake |
| Prinia atrogularis | White-browed Prinia | Hill 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 fluviatilis | Lake Chad Prinia | River Prinia |
| Prinia gracilis | Graceful Warbler | Graceful Prinia |
| Prinia hodgsonii | Franklin's Prinia | Grey-breasted Prinia |
| Prinia molleri | Sao Thome Prinia | Sao Tome Prinia |
| Prinia polychroa | Brown Hill Prinia | Brown Prinia |
| Prinia rufescens | Lesser Brown Prinia | Rufescent 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 plateni | Palawan Yellow-rumped Flowerpecker | Palawan 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 |
| Procellaria cinerea | Grey Shearwater | Grey Petrel |
| Procelsterna cerulea | Blue-grey Noddy | Blue Noddy |
| Prodotiscus insignis | Cassin's Honeybird | Cassin's Honeyguide |
| Prodotiscus regulus | Wahlberg's Honeybird | Wahlberg's Honeyguide |
| Prodotiscus zambesiae | Green-backed Honeybird | Green-backed Honeyguide |
| 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 |
| Prunella himalayana | Himalayan Accentor | Rufous-streaked Accentor |
| Prunella koslowi | Koslov's Accentor | Mongolian Accentor |
| Prunella modularis | Dunnock | Hedge Accentor |
| Prunella montanella | Mountain Accentor | Siberian Accentor |
| Prunella rubida | Japanese Hedge Sparrow | Japanese 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 |
| Psaltriparus minimus | Common Bushtit | Bushtit |
| Pselliophorus luteoviridis | Yellow-green Sparrow | Yellow-green Finch |
| Pselliophorus tibialis | Yellow-thighed Sparrow | Yellow-thighed Finch |
| Pseudelaenia leucospodia | Grey & White Tyrannulet | Grey-and-white Tyrannulet |
| 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 |
| Pseudocossyphus bensoni | Farkas' Robin Chat | Benson's Rock-Thrush |
| Pseudocossyphus imerinus | Madagascar Robin Chat | Littoral Rock-Thrush |
| Pseudoleistes virescens | Brown-yellow Marshbird | Brown-and-yellow Marshbird |
| 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 |
| 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 |
| 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 derbiana | Lord Derby's Parakeet | Derbyan Parakeet |
| Psittacula intermedia | Intermediate Parrot | Intermediate 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 |
| Psophia crepitans | Common Trumpeter | Grey-winged Trumpeter |
| Psophia leucoptera | White-winged Trumpeter | Pale-winged Trumpeter |
| Psophia viridis | Green-winged Trumpeter | Dark-winged Trumpeter |
| Psophodes cristatus | Wedgebill | Chirruping Wedgebill |
| Pteridophora alberti | King of Saxony Bird of Paradise | King-of-Saxony Bird-of-paradise |
| Pterocles alchata | Pintailed Sandgrouse | Pin-tailed Sandgrouse |
| Pterocles burchelli | Variegated Sandgrouse | Burchell's Sandgrouse |
| Pterodroma arminjoniana | Trinidade Petrel | Herald Petrel |
| Pterodroma aterrima | Mascarene Black Petrel | Mascarene Petrel |
| Pterodroma becki | Solomon Islands Petrel | Beck's Petrel |
| Pterodroma cahow | Cahow | Bermuda Petrel |
| Pterodroma cervicalis | Kermadec White-necked Petrel | White-necked Petrel |
| Pterodroma defilippiana | Juan Fernandez Petrel | Defilippe's Petrel |
| Pterodroma externa | White-necked Petrel | Juan Fernandez Petrel |
| Pterodroma incerta | Schlegel's Petrel | Atlantic Petrel |
| Pterodroma inexpectata | Peale's Petrel | Mottled Petrel |
| Pterodroma leucoptera | White-winged Petrel | Gould's Petrel |
| Pterodroma magentae | Taiko | Magenta Petrel |
| Pterodroma solandri | Solander's Petrel | Providence Petrel |
| 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 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 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 |
| 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 |
| 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 |
| Ptyrticus turdinus | African Thrush Babbler | Thrush Babbler |
| Puffinus bulleri | Grey-backed Shearwater | Buller's Shearwater |
| Puffinus carneipes | Pale-footed Shearwater | Flesh-footed Shearwater |
| Puffinus gravis | Greater Shearwater | Great Shearwater |
| Pycnonotus aurigaster | White-eared Bulbul | Sooty-headed Bulbul |
| Pycnonotus blanfordi | Blanford's Olive Bulbul | Streak-eared Bulbul |
| Pycnonotus brunneus | Red-eyed Brown Bulbul | Red-eyed Bulbul |
| Pycnonotus leucogenys | White-cheeked Bulbul | Himalayan Bulbul |
| Pycnonotus leucogrammicus | Striated Bulbul | Cream-striped Bulbul |
| Pycnonotus melanoleucos | Black & White Bulbul | Black-and-white 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 simplex | White-eyed Brown Bulbul | Cream-vented Bulbul |
| Pycnonotus sinensis | Chinese Bulbul | Light-vented Bulbul |
| Pycnonotus striatus | Striated Green Bulbul | Striated Bulbul |
| Pycnonotus taivanus | Formosan Bulbul | Styan's Bulbul |
| Pycnonotus tympanistrigus | Olive-crowned Bulbul | Spot-necked 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 |
| Pygoscelis antarctica | Bearded Penguin | Chinstrap Penguin |
| Pyriglena atra | Swainson's Fire-eye | Fringe-backed Fire-eye |
| Pyrrhocorax graculus | Alpine Chough | Yellow-billed Chough |
| Pyrrhoplectes epauletta | Gold-headed Finch | Gold-naped Finch |
| Pyrrhula erythaca | Beavan's Bullfinch | Grey-headed Bullfinch |
| Pyrrhula leucogenis | Philippine Bullfinch | White-cheeked 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 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 phoenicoptera | Crimson-winged Pytilia | Red-winged Pytilia |
| Quiscalus niger | Antillean Grackle | Greater Antillean Grackle |
| Rallina canningi | Andaman Banded Crake | Andaman Crake |
| Rallina eurizonoides | Banded Crake | Slaty-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 |
| Ramphocelus melanogaster | Black-bellied Tanager | Huallaga Tanager |
| Ramphocinclus brachyurus | White-breasted Trembler | White-breasted Thrasher |
| Randia pseudozosterops | Marvantsetra Warbler | Rand's Warbler |
| Regulus goodfellowi | Taiwan Firecrest | Flamecrest |
| 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 |
| 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 |
| 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 |
| 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 |
| Rhinoptilus africanus | Two-banded Courser | Double-banded Courser |
| Rhinoptilus cinctus | Heuglin's Courser | Three-banded Courser |
| Rhipidura brachyrhyncha | Dimorphic Rufous Fantail | Dimorphic Fantail |
| Rhipidura cockerelli | Cockerell's Fantail | White-winged Fantail |
| Rhipidura dahli | Island Rufous Fantail | Bismarck Fantail |
| Rhipidura dedemi | Seram Rufous Fantail | Streaky-breasted Fantail |
| Rhipidura drownei | Mountain Fantail | Brown Fantail |
| Rhipidura fuliginosa | Collared Grey Fantail | Grey Fantail |
| Rhipidura kubaryi | Ponape Fantail | Pohnpei 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 nigrocinnamomea | Black & Cinnamon Fantail | Black-and-cinnamon Fantail |
| Rhipidura perlata | Pearlated Fantail | Spotted Fantail |
| Rhipidura personata | Kandavu Fantail | Kadavu Fantail |
| Rhipidura phoenicura | Red-tailed Fantail | Rufous-tailed Fantail |
| Rhipidura rufidorsa | Grey-breasted Rufous Fantail | Rufous-backed Fantail |
| Rhipidura spilodera | Spotted Fantail | Streaked Fantail |
| Rhipidura superflua | Moluccan Fantail | Tawny-backed 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 |
| Rhodopechys mongolica | Mongolian Trumpeter Finch | Mongolian Finch |
| Rhodopechys obsoleta | Lichtenstein's Desert Finch | Desert Finch |
| Rhodospingus cruentus | Crimson Finch | Crimson Finch-Tanager |
| Rhopocichla atriceps | Black-headed Babbler | Dark-fronted Babbler |
| Rhyacornis bicolor | Philippine Water Redstart | Luzon Water-Redstart |
| Rimator malacoptilus | Long-billed Wren Babbler | Long-billed Wren-Babbler |
| Riparia paludicola | Brown Throated Sand Martin | Plain Martin |
| Rostratula benghalensis | Painted-Snipe | Greater Painted-snipe |
| Rostrhamus sociabilis | Everglade Kite | Snail Kite |
| Rowettia goughensis | Gough Island Finch | Gough Finch |
| Rukia longirostra | Ponape White-eye | Long-billed 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 |
| Sagittarius serpentarius | Secretary Bird | Secretarybird |
| Salpornis spilonotus | Spotted Grey Creeper | Spotted Tree-Creeper |
| Saltatricula multicolor | Many-coloured Chaco Finch | Many-colored Chaco-Finch |
| Sapayoa aenigma | Broad-billed Manakin | Broad-billed Sapayoa |
| Sapheopipo noguchii | Okinawan Woodpecker | Okinawa Woodpecker |
| Sarcops calvus | Bald Starling | Coleto |
| 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 caprata | Pied Stonechat | Pied Bushchat |
| Saxicola insignis | Hodgson's Bushchat | White-throated Bushchat |
| Saxicola macrorhyncha | Stoliczka's Bushchat | White-browed Bushchat |
| Saxicoloides fulicata | Black-backed Robin | Indian Robin |
| Sceloglaux albifacies | White-faced Owl | Laughing Owl |
| Schiffornis major | Greater Manakin | Greater Schiffornis |
| Schiffornis turdinus | Thrush-like Manakin | Thrush-like Schiffornis |
| Schiffornis virescens | Greenish Manakin | Greenish Schiffornis |
| Schizoeaca griseomurina | Mouse-coloured Thistletail | Mouse-colored Thistletail |
| 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 rochussenii | Obi Woodcock | Moluccan 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 panamensis | Pale-throated Tapaculo | Tacarcuna Tapaculo |
| Scytalopus speluncae | Mouse-coloured Tapaculo | Mouse-colored Tapaculo |
| Scytalopus unicolor | Unicoloured Tapaculo | Unicolored Tapaculo |
| 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 motacilla | Louisiana Water-thrush | Louisiana Waterthrush |
| Seiurus noveboracensis | Northern Water-thrush | Northern Waterthrush |
| Seleucidis melanoleuca | Twelve-wired Bird of Paradise | Twelve-wired Bird-of-paradise |
| 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 |
| Sericulus aureus | Flamed Bowerbird | Flame Bowerbird |
| Sericulus bakeri | Adelbert Bowerbird | Fire-maned Bowerbird |
| Serinus albogularis | White-throated Seedeater | White-throated Canary |
| Serinus atrogularis | Yellow-rumped Seedeater | Southern Yellow-rumped Seedeater |
| Serinus canicollis | Yellow-crowned Canary | Cape Canary |
| Serinus citrinelloides | African Citril Finch | African Citril |
| Serinus donaldsoni | Grosbeak Canary | Abyssinian Grosbeak-Canary |
| Serinus estherae | Malay Goldfinch | Mountain Serin |
| Serinus nigriceps | Black-headed Siskin | Abyssinian Siskin |
| Serinus pusillus | Red-fronted Serin | Fire-fronted Serin |
| Serinus reichardi | Stripe-breasted Seedeater | Reichard's Seedeater |
| 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 |
| 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 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 |
| Sitta azurea | Azure Nuthatch | Blue Nuthatch |
| Sitta europaea | Eurasian Nuthatch | Wood Nuthatch |
| Sitta krueperi | Kruper's Nuthatch | Krueper's Nuthatch |
| Sitta neumayer | Rock Nuthatch | Western Rock-Nuthatch |
| Sitta solangiae | Lilac Nuthatch | Yellow-billed Nuthatch |
| Sitta tephronota | Eastern Rock Nuthatch | Eastern Rock-Nuthatch |
| Sitta villosa | Chinese Nuthatch | Snowy-browed Nuthatch |
| Spartonoica maluroides | Bay-capped Wren Spinetail | Bay-capped Wren-Spinetail |
| 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 |
| Sphecotheres viridis | Figbird | Green Figbird |
| Sphenocichla humei | Wedge-billed Wren Babbler | Wedge-billed Wren-Babbler |
| Sphenoeacus afer | Cape Grassbird | Cape Grass-Warbler |
| 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 |
| 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 pallida | Clay-coloured Sparrow | Clay-colored Sparrow |
| Sporophila americana | Wing-barred Seedeater | Variable Seedeater |
| Sporophila ardesiaca | Dubois' Seedeater | Dubois's Seedeater |
| Sporophila frontalis | Buffy-throated Seedeater | Buffy-fronted Seedeater |
| Sporophila hypochroma | Rufous-naped Seedeater | Grey-and-chestnut Seedeater |
| Sporophila luctuosa | Black & White Seedeater | Black-and-white Seedeater |
| Sporophila nigrorufa | Black & Tawny Seedeater | Black-and-tawny Seedeater |
| Sporophila schistacea | Slate-coloured Seedeater | Slate-colored Seedeater |
| Spreo bicolor | Pied Starling | African Pied Starling |
| 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 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 |
| Starnoenas cyanocephala | Blue-headed Quail Dove | Blue-headed Quail-Dove |
| Stenostira scita | Fairy Flycatcher | Fairy Warbler |
| 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 aurantia | Indian River Tern | River Tern |
| Sterna lorata | Chilean Tern | Peruvian Tern |
| Sterna lunata | Spectacled Tern | Grey-backed Tern |
| Sterna superciliaris | Amazon Tern | Yellow-billed Tern |
| Sterna trudeaui | Trudeau's Tern | Snowy-crowned Tern |
| Stigmatura budytoides | Greater Wagtail Tyrant | Greater Wagtail-Tyrant |
| Stigmatura napensis | Lesser Wagtail Tyrant | Lesser Wagtail-Tyrant |
| Stipiturus malachurus | Southern Emu Wren | Southern Emuwren |
| Stipiturus mallee | Mallee Emu Wren | Mallee Emuwren |
| Stipiturus ruficeps | Rufous-crowned Emu Wren | Rufous-crowned Emuwren |
| Streptocitta albertinae | Sula Magpie | Bare-eyed Myna |
| Streptocitta albicollis | Sulawesi Magpie | White-necked Myna |
| Streptopelia bitorquata | Javanese Collared Dove | Island Collared-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 tranquebarica | Red Collared Dove | Red Collared-Dove |
| Streptopelia turtur | Turtle Dove | European Turtle-Dove |
| Strix aluco | Eurasian Tawny Owl | Tawny Owl |
| Strix leptogrammica | Brown Wood Owl | Brown Wood-Owl |
| Strix nigrolineata | Black & White Owl | Black-and-white Owl |
| Strix ocellata | Mottled Wood Owl | Mottled Wood-Owl |
| Strix seloputo | Spotted Wood Owl | Spotted Wood-Owl |
| Strix woodfordii | African Wood Owl | African Wood-Owl |
| Struthidea cinerea | Apostle Bird | Apostlebird |
| Sturnella bellicosa | Peruvian Red-breasted Meadowlark | Peruvian Meadowlark |
| Sturnella militaris | Red-breasted Blackbird | Pampas Meadowlark |
| Sturnus burmannicus | Jerdon's Starling | Vinous-breasted Starling |
| Sturnus cineraceus | Grey Starling | White-cheeked Starling |
| Sturnus malabaricus | Ashy-headed Starling | Chestnut-tailed 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 |
| 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 |
| 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 communis | Whitethroat | Common Whitethroat |
| Sylvia minula | Desert Lesser Whitethroat | Small Whitethroat |
| Sylvia nana | Desert Whitethroat | Desert Warbler |
| Sylvia rueppelli | Ruppell's Warbler | Rueppell's Warbler |
| Sylvietta isabellina | Somali Long-billed Crombec | Somali Crombec |
| Sylvietta philippae | Somali Short-billed Crombec | Short-billed Crombec |
| Sylvietta rufescens | Long-billed Crombec | Cape Crombec |
| Sylviorthorhynchus desmursii | Des Murs' Wiretail | Des Murs's Wiretail |
| Synallaxis albilora | Ochre-breasted Spinetail | White-lored Spinetail |
| Synallaxis cabanisi | Cabanis' Spinetail | Cabanis's Spinetail |
| Synallaxis fuscorufa | Santa Marta Spinetail | Rusty-headed Spinetail |
| Synallaxis hellmayri | Reiser's Spinetail | Red-shouldered Spinetail |
| Synallaxis infuscata | Plain Spinetail | Pinto's Spinetail |
| Synallaxis macconnelli | McConnell's Spinetail | MacConnell's Spinetail |
| Synthliboramphus wumizusume | Crested Murrelet | Japanese Murrelet |
| Syrmaticus humiae | Mrs Hume's Pheasant | Hume's Pheasant |
| Syrmaticus reevesii | Reeves' Pheasant | Reeves's Pheasant |
| Syrrhaptes paradoxus | Pallas' Sandgrouse | Pallas's Sandgrouse |
| 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 rufolavatus | Delacour's Little Grebe | Alaotra Grebe |
| 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 |
| 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 fastuosa | Seven-coloured Tanager | Seven-colored Tanager |
| Tangara inornata | Plain-coloured Tanager | Plain-colored Tanager |
| Tangara larvata | Golden-masked Tanager | Golden-hooded Tanager |
| Tangara palmeri | Grey & Gold Tanager | Grey-and-gold Tanager |
| Tangara schrankii | Green & Gold Tanager | Green-and-gold Tanager |
| Tangara vassorii | Blue & Black Tanager | Blue-and-black Tanager |
| Tangara viridicollis | Silvery Tanager | Silver-backed Tanager |
| 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 |
| Taphrolesbia griseiventris | Grey-billed Comet | Grey-bellied Comet |
| Tarsiger chrysaeus | Golden Bush Robin | Golden Bush-Robin |
| Tarsiger cyanurus | Red-flanked Bluetail | Orange-flanked Bush-Robin |
| Tauraco macrorhynchus | Crested Turaco | Yellow-billed Turaco |
| Tauraco persa | Green Turaco | Guinea Turaco |
| Tauraco ruspolii | Prince Ruspoli's Turaco | Ruspoli's Turaco |
| Tchagra australis | Brown-headed Tchagra | Brown-crowned 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 |
| 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 |
| Terenura sicki | Orange-bellied Antwren | Alagoas Antwren |
| 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 |
| 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 |
| Tetraophasis obscurus | Verreaux's Monal Partridge | Chestnut-throated Partridge |
| Tetraophasis szechenyii | Szechenyi's Monal Partridge | Buff-throated Partridge |
| Thalurania colombica | Crowned Woodnymph | Blue-crowned Woodnymph |
| Thamnophilus murinus | Mouse-coloured Antshrike | Mouse-colored Antshrike |
| Thamnophilus schistaceus | Black-capped Antshrike | Plain-winged Antshrike |
| Thamnornis chloropetoides | Kirtika Warbler | Thamnornis Warbler |
| Thescelocichla leucopleura | Swamp Palm Bulbul | Swamp Greenbul |
| Thinocorus orbignyianus | Grey-breasted Seed-Snipe | Grey-breasted Seedsnipe |
| Thinocorus rumicivorus | Least Seed-Snipe | Least Seedsnipe |
| Thlypopsis ruficeps | Rust & Yellow Tanager | Rust-and-yellow Tanager |
| Thraupis bonariensis | Blue & Yellow Tanager | Blue-and-yellow Tanager |
| Threskiornis melanocephalus | Oriental Ibis | Black-headed Ibis |
| Threskiornis molucca | Australian White Ibis | Australian Ibis |
| Thripophaga berlepschi | Berlepsch's Canastero | Russet-mantled Softtail |
| Thryomanes sissonii | Revillagigedo Wren | Socorro Wren |
| Thryothorus rufalbus | Rufous & White Wren | Rufous-and-white Wren |
| Thryothorus sinaloa | Bar-vented Wren | Sinaloa Wren |
| Tiaris obscura | Dull-coloured Grassquit | Dull-colored Grassquit |
| 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 |
| Timeliopsis fulvigula | Mountain Straight-billed Honeyeater | Olive Straightbill |
| Timeliopsis griseigula | Lowland Straight-billed Honeyeater | Tawny Straightbill |
| Tockus albocristatus | African White-crested Hornbill | White-crested Hornbill |
| Tockus fasciatus | Pied Hornbill | African Pied Hornbill |
| Tockus flavirostris | Yellow-billed Hornbill | Eastern Yellow-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 |
| Touit dilectissima | Red-winged Parrotlet | Blue-fronted 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 lecontei | Le Conte Thrasher | Le Conte's Thrasher |
| Trachyphonus darnaudii | d'Arnaud's Barbet | D'Arnaud's Barbet |
| Trachyphonus erythrocephalus | Red & Yellow Barbet | Red-and-yellow Barbet |
| Trachyphonus vaillantii | Levaillant's Barbet | Crested Barbet |
| Tregellasia capito | Pale Yellow Robin | Pale-yellow 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 |
| 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 frontata | Miombo Pied Barbet | Miombo Barbet |
| Tricholaema lacrymosa | Spotted-flanked Barbet | Spot-flanked Barbet |
| Tricholaema melanocephala | African Black-throated Barbet | Black-throated Barbet |
| Triclaria malachitacea | Purple-bellied Parrot | Blue-bellied Parrot |
| Tringa guttifer | Spotted Greenshank | Nordmann's Greenshank |
| Trogon comptus | Blue-tailed Trogon | White-eyed Trogon |
| Trogon mexicanus | Mexican Trogon | Mountain Trogon |
| Trugon terrestris | Thick-billed Ground Pigeon | Thick-billed Ground-Pigeon |
| 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 bicolor | Pied Babbler | Southern Pied-Babbler |
| Turdoides fulvus | Fulvous Babbler | Fulvous Chatterer |
| Turdoides hindei | Hinde's Pied Babbler | Hinde's Pied-Babbler |
| Turdoides hypoleucus | Northern Pied Babbler | Northern Pied-Babbler |
| Turdoides rufescens | Ceylon Jungle Babbler | Orange-billed Babbler |
| Turdoides striatus | White-headed Jungle Babbler | Jungle Babbler |
| Turdus cardis | Japanese Grey Thrush | Japanese Thrush |
| Turdus celaenops | Seven Islands Thrush | Izu Thrush |
| Turdus chrysolaus | Red-billed Thrush | Brown-headed Thrush |
| Turdus feae | Fea's Thrush | Grey-sided Thrush |
| Turdus grayi | Clay-coloured Thrush | Clay-colored Thrush |
| Turdus haplochrous | Unicoloured Thrush | Unicolored Thrush |
| Turdus infuscatus | Black Robin | Black Thrush |
| Turdus kessleri | Kessler's Thrush | White-backed Thrush |
| Turdus maculirostris | Ecuadorean Thrush | Ecuadorian Thrush |
| Turdus merula | Blackbird | Eurasian Blackbird |
| Turdus mupinensis | Mongolian Song Thrush | Chinese 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 olivaceofuscus | Gulf of Guinea Thrush | Olivaceous Thrush |
| Turdus plebejus | Mountain Robin | American Mountain Thrush |
| Turdus rubrocanus | Grey-headed Thrush | Chestnut Thrush |
| Turdus ruficollis | Black-throated Thrush | Dark-throated Thrush |
| Turdus rufopalliatus | Rufous-backed Robin | Rufous-backed Thrush |
| Turdus subalaris | Eastern Slaty Thrush | Eastern Slaty-Thrush |
| Turdus tephronotus | African Bare-eyed Thrush | Bare-eyed Thrush |
| Turdus torquatus | Ring Ousel | Ring Ouzel |
| 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 |
| Tylas eduardi | Kinkimavo | Tylas Vanga |
| Tympanuchus cupido | Prairie Chicken | Greater Prairie-chicken |
| Tympanuchus pallidicinctus | Lesser Prairie Chicken | Lesser Prairie-chicken |
| Tyranneutes stolzmanni | Dwarf Tyrant Manakin | Dwarf Tyrant-Manakin |
| Tyranneutes virescens | Tiny Tyrant Manakin | Tiny Tyrant-Manakin |
| 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 |
| Upupa epops | Hoopoe | Eurasian Hoopoe |
| Uraeginthus angolensis | Cordon-bleu | Blue-breasted Cordonbleu |
| Uraeginthus bengalus | Red-cheeked Cordon-bleu | Red-cheeked Cordonbleu |
| Uratelornis chimaera | Long-tailed Ground Roller | Long-tailed Ground-Roller |
| Uria aalge | Common Guillemot | Common Murre |
| Uria lomvia | Brunnich's Guillemot | Thick-billed Murre |
| 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 |
| Urocynchramus pylzowi | Przewalski's Rosefinch | Pink-tailed Bunting |
| Uroglaux dimorpha | Papuan Hawk Owl | Papuan Hawk-Owl |
| Uropelia campestris | Long-tailed Ground Dove | Long-tailed Ground-Dove |
| Urosphena squameiceps | Scaly-headed Stubtail | Asian Stubtail |
| Urosticte benjamini | Whitetip | Purple-bibbed 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 coronatus | Crowned Plover | Crowned Lapwing |
| Vanellus gregarius | Sociable Plover | Sociable 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 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 |
| Veniliornis sanguineus | Blood-coloured Woodpecker | Blood-colored Woodpecker |
| Vidua fischeri | Fischer's Whydah | Straw-tailed Whydah |
| Vidua orientalis | Broad-tailed Paradise Whydah | Northern Paradise-Whydah |
| Vidua paradisaea | Paradise Whydah | Eastern Paradise-Whydah |
| Vidua regia | Shaft-tailed Whydah | Queen Whydah |
| 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 carmioli | Carmiol's Vireo | Yellow-winged Vireo |
| Vireo gilvus | Warbling Vireo | Eastern Warbling-Vireo |
| Vireo modestus | Jamaican White-eyed Vireo | Jamaican Vireo |
| Vireo solitarius | Solitary Vireo | Blue-headed 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 |
| Woodfordia superciliosa | Woodford's White-eye | Bare-eyed White-eye |
| Xenicus gilviventris | Rock Wren | South Island Wren |
| Xenocopsychus ansorgei | Angola Cave Chat | Angola Cave-Chat |
| Xenoligea montana | White-winged Ground Warbler | White-winged Warbler |
| Xenornis setifrons | Speckle-breasted Antshrike | Speckled Antshrike |
| Xiphirhynchus superciliaris | Slender-billed Scimitar Babbler | Slender-billed Scimitar-Babbler |
| Yuhina gularis | Striped-throated Yuhina | Stripe-throated Yuhina |
| Zavattariornis stresemanni | Stresemann's Bush Crow | Stresemann's Bush-Crow |
| Zeledonia coronata | Wren Thrush | Wrenthrush |
| Zimmerius viridiflavus | Golden-faced Tyrannulet | Peruvian Tyrannulet |
| 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 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 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 kuehni | Ambon White-eye | Ambon Yellow White-eye |
| Zosterops lateralis | Grey-backed White-eye | Silvereye |
| Zosterops meyeni | Philippine White-eye | Lowland White-eye |
| Zosterops minor | New Guinea Black-fronted White-eye | Black-fronted White-eye |
| Zosterops mouroniensis | Grand Comoro White-eye | Comoro White-eye |
| Zosterops murphyi | Kulambangra Mountain White-eye | Hermit 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 samoensis | Savaii White-eye | Samoan White-eye |