Common names found in HM as well as in SM, with different scientific names (492 species).
| Common names found in HM as well as in SM, with different scientific names (492 species) | ||
|---|---|---|
| Common name HM | Scientific name HM | Scientific name SM |
| African Crake | Porzana egregia | Crecopsis egregia |
| African Hobby | Falco cuvieri | Falco cuvierii |
| African Jacana | Actophilornis africana | Actophilornis africanus |
| Akiapolaau | Hemignathus munroni | Hemignathus wilsoni |
| Aldabra Brush-Warbler | Nesillas aldabranus | Nesillas aldabrana |
| Allen's Gallinule | Gallinula alleni | Porphyrio alleni |
| Andean Flamingo | Phoenicoparrus andinus | Phoenicopterus andinus |
| Ansorge's Greenbul | Pycnonotus ansorgei | Andropadus ansorgei |
| Arabian Woodpecker | Picoides dorae | Dendrocopos dorae |
| Ash-browed Spinetail | Certhiaxis curtata | Cranioleuca curtata |
| Ashy Bulbul | Hypsipetes flavalus | Hemixos flavala |
| Ashy Cisticola | Cisticola cinereola | Cisticola cinereolus |
| Ashy-bellied White-eye | Zosterops citrinella | Zosterops citrinellus |
| Asian Emerald Cuckoo | Chalcites maculatus | Chrysococcyx maculatus |
| Austral Canastero | Thripophaga anthoides | Asthenes anthoides |
| Australian Bustard | Choriotis australis | Ardeotis australis |
| Australian Koel | Eudynamys cyanocephela | Eudynamys cyanocephala |
| Australian Swiftlet | Aerodramus terraereginae | Collocalia terraereginae |
| Aztec Thrush | Ridgwayia pinicola | Zoothera pinicola |
| Azure Gallinule | Gallinula flavirostris | Porphyrio flavirostris |
| Azure Kingfisher | Alcedo azureus | Alcedo azurea |
| Bahama Woodstar | Philodice evelynae | Calliphlox evelynae |
| Baird's Flycatcher | Myiodynastes bairdi | Myiodynastes bairdii |
| Bald-faced Rail | Eulabeornis rosenbergii | Gymnocrex rosenbergii |
| Bamboo Woodpecker | Gecinulus grantia | Gecinulus viridis |
| Band-bellied Crake | Rallina paykullii | Porzana paykullii |
| Band-tailed Oropendola | Psarocolius latirostris | Ocyalus latirostris |
| Banded Bay Cuckoo | Penthoceryx sonneratii | Cacomantis sonneratii |
| Banded Honeyeater | Cissomela pectoralis | Certhionyx pectoralis |
| Bare-eyed Rail | Eulabeornis plumbeiventris | Gymnocrex plumbeiventris |
| Bare-eyed Thrush | Turdus nudigenis | Turdus tephronotus |
| Barred Rail | Rallus torquatus | Gallirallus torquatus |
| Bay-vented Cotinga | Ampelion sclateri | Doliornis sclateri |
| Bee Hummingbird | Calypte helenae | Mellisuga helenae |
| Bengal Florican | Houbaropsis bengalensis | Eupodotis bengalensis |
| Berlepsch's Canastero | Thripophaga berlepschi | Asthenes berlepschi |
| Biscutate Swift | Streptoprocne biscutatus | Streptoprocne biscutata |
| Black Bittern | Ixobrychus flavicollis | Dupetor flavicollis |
| Black Coucal | Centropus toulou | Centropus grillii |
| Black Guineafowl | Phasidus niger | Agelastes niger |
| Black Oropendola | Psarocolius guatimozinus | Gymnostinops guatimozinus |
| Black Partridge | Francolinus francolinus | Melanoperdix nigra |
| Black Shama | Copsychus niger | Copsychus cebuensis |
| Black Swift | Nephoecetes niger | Cypseloides niger |
| Black Tern | Chlidonias nigra | Chlidonias niger |
| Black-banded Crake | Laterallus fasciatus | Anurolimnas fasciatus |
| Black-bellied Tern | Sterna melanogaster | Sterna acuticauda |
| Black-billed Sicklebill | Drepanornis albertisi | Epimachus albertisi |
| Black-capped Antwren | Herpsilochmus pileatus | Herpsilochmus atricapillus |
| Black-capped White-eye | Zosterops atricapilla | Zosterops atricapillus |
| Black-chested Tyrant | Poecilotriccus andrei | Taeniotriccus andrei |
| Black-collared Lovebird | Agapornis swinderniana | Agapornis swindernianus |
| Black-crested Coquette | Paphosia helenae | Lophornis helenae |
| Black-crested Tit | Parus rubidiventris | Parus melanolophus |
| Black-eared Cuckoo | Misocallus osculans | Chrysococcyx osculans |
| Black-fronted Tern | Sterna albostriata | Chlidonias albostriatus |
| Black-headed Greenfinch | Carduelis spinoides | Carduelis ambigua |
| Black-necked Cisticola | Cisticola eximia | Cisticola eximius |
| Black-necked Swan | Cygnus melanocoryphus | Cygnus melanocorypha |
| Black-shouldered Kite | Elanus caeruleus | Elanus axillaris |
| Black-sided Flowerpecker | Dicaeum celebicum | Dicaeum monticolum |
| Black-throated Barbet | Megalaima eximia | Tricholaema melanocephala |
| Black-throated Blue Robin | Erithacus obscurus | Luscinia obscura |
| Black-throated Honeyeater | Meliphaga subfrenata | Lichenostomus subfrenatus |
| Blackish Rail | Rallus nigricans | Pardirallus nigricans |
| Blue Vanga | Leptopterus madagascarinus | Cyanolanius madagascarinus |
| Blue-black Kingfisher | Halcyon nigrocyanea | Todirhamphus nigrocyaneus |
| Blue-headed Pitta | Pitta baudi | Pitta baudii |
| Blue-tailed Trogon | Trogon comptus | Harpactes reinwardtii |
| Blue-winged Pitta | Pitta brachyura | Pitta moluccensis |
| Bluethroat | Luscinia svecicus | Luscinia svecica |
| Boat-billed Heron | Cochlearius cochlearius | Cochlearius cochlearia |
| Bogota Rail | Rallus semiplumbeous | Rallus semiplumbeus |
| Bolivian Recurvebill | Philydor striatus | Simoxenops striatus |
| Bornean Frogmouth | Batrachostomus cornutus | Batrachostomus mixtus |
| Botha's Lark | Botha fringillaris | Spizocorys fringillaris |
| Bougainville Honeyeater | Melilestes bougainvillei | Stresemannia bougainvillei |
| Bougainville Monarch | Monarcha erythrosticta | Monarcha erythrostictus |
| Bourke's Parrot | Neophema bourkii | Neopsephotus bourkii |
| Bridled Honeyeater | Meliphaga frenata | Lichenostomus frenatus |
| Bridled White-eye | Zosterops conspicillata | Zosterops conspicillatus |
| Brown Nightjar | Veles binotatus | Caprimulgus binotatus |
| Brown Quail | Coturnix australis | Coturnix ypsilophora |
| Brown-backed Woodpecker | Picoides obsoletus | Dendropicos obsoletus |
| Brown-capped Woodpecker | Picoides moluccensis | Dendrocopos nanus |
| Brown-fronted Woodpecker | Picoides auriceps | Dendrocopos auriceps |
| Brown-winged Kingfisher | Halcyon amauroptera | Pelargopsis amauropterus |
| Buff-banded Rail | Rallus philippensis | Gallirallus philippensis |
| Buff-browed Foliage-gleaner | Philydor rufosuperciliatus | Syndactyla rufosuperciliata |
| Burrowing Owl | Athene cunicularia | Speotyto cunicularia |
| Bushy-crested Jay | Cissilopha melanocyanea | Cyanocorax melanocyaneus |
| Cactus Canastero | Thripophaga cactorum | Asthenes cactorum |
| California Quail | Lophortyx californica | Callipepla californica |
| Campo Miner | Geobates poeciloptera | Geobates poecilopterus |
| Canebrake Groundcreeper | Phacellodomus dendrocolaptoides | Clibanornis dendrocolaptoides |
| Canyon Canastero | Thripophaga pudibunda | Asthenes pudibunda |
| Cape Siskin | Serinus tottus | Serinus totta |
| Cape Sparrow | Passer melanurus | Passer diffusus |
| Caspian Tern | Hydroprogne caspia | Sterna caspia |
| Chattering Cisticola | Cisticola anonyma | Cisticola anonymus |
| Chestnut Canastero | Thripophaga steinbachi | Asthenes steinbachi |
| Chestnut Jacamar | Galbalcyrhynchus leucotis | Galbalcyrhynchus purusianus |
| Chestnut Sparrow | Sorella eminibey | Passer eminibey |
| Chestnut-backed Owlet | Glaucidium sjostedti | Glaucidium castanonotum |
| Chestnut-bellied Kingfisher | Halcyon farquhari | Todirhamphus farquhari |
| Chestnut-bellied Starling | Spreo pulcher | Lamprotornis pulcher |
| Chestnut-capped Foliage-gleaner | Automolus rectirostris | Hylocryptus rectirostris |
| Chestnut-flanked White-eye | Zosterops erythropleura | Zosterops erythropleurus |
| Chestnut-headed Crake | Rallina castaneiceps | Anurolimnas castaneiceps |
| Chestnut-shouldered Goshawk | Accipiter buergersi | Erythrotriorchis buergersi |
| Chestnut-winged Hookbill | Philydor strigilatus | Ancistrops strigilatus |
| Colombian Crake | Porzana columbiana | Neocrex colombianus |
| Common Potoo | Nyctibius griseus | Nyctibius jamaicensis |
| Common Sandpiper | Actitis hypoleucos | Tringa hypoleucos |
| Compact Weaver | Ploceus superciliosus | Pachyphantes superciliosus |
| Connecticut Warbler | Geothlypis agilis | Oporornis agilis |
| Copper Pheasant | Syrmaticus soemmerringi | Syrmaticus soemmerringii |
| Corn Bunting | Emberiza calandra | Miliaria calandra |
| Craveri's Murrelet | Brachyramphus craveri | Synthliboramphus craveri |
| Creamy-breasted Canastero | Thripophaga dorbignyi | Asthenes dorbignyi |
| Creamy-crested Spinetail | Certhiaxis albicapilla | Cranioleuca albicapilla |
| Crescent-chested Warbler | Vermivora superciliosa | Parula superciliosa |
| Crested Argus | Rheinartia ocellata | Rheinardia ocellata |
| Crested Pigeon | Ocyphaps lophotes | Geophaps lophotes |
| Crested Spinetail | Certhiaxis subcristata | Cranioleuca subcristata |
| Crimson-breasted Woodpecker | Picoides cathpharius | Dendrocopos cathpharius |
| Crinkle-collared Manucode | Manucodia chalybatus | Manucodia chalybata |
| Crowned Eagle | Spizaetus coronatus | Harpyhaliaetus coronatus |
| Daurian Partridge | Perdix dauuricae | Perdix dauurica |
| Demoiselle Crane | Anthropoides virgo | Grus virgo |
| Desert Cisticola | Cisticola aridula | Cisticola aridulus |
| Doria's Goshawk | Accipiter doriae | Megatriorchis doriae |
| Double-barred Finch | Poephila bichenovii | Taeniopygia bichenovii |
| Dusky Robin | Petroica vittata | Melanodryas vittata |
| Dusky-tailed Canastero | Thripophaga humicola | Asthenes humicola |
| Dwarf Kingfisher | Ceyx lepidus | Ispidina lecontei |
| Eared Poorwill | Otophanes mcleodii | Nyctiphrynus mcleodii |
| Edible-nest Swiftlet | Aerodramus fuciphagus | Collocalia fuciphaga |
| Elegant Quail | Lophortyx douglasii | Callipepla douglasii |
| Elegant Tern | Thalasseus elegans | Sterna elegans |
| Emperor Goose | Anser canagicus | Anser canagica |
| Eungella Honeyeater | Meliphaga hindwoodi | Lichenostomus hindwoodi |
| Evening Grosbeak | Coccothraustes vespertinus | Hesperiphona vespertina |
| Fan-tailed Cuckoo | Cacomantis pyrrhophanus | Cacomantis flabelliformis |
| Fernando Po Speirops | Speirops brunnea | Speirops brunneus |
| Festive Coquette | Lophornis chalybea | Lophornis chalybeus |
| Fire-crested Alethe | Alethe diademata | Alethe castanea |
| Fire-fronted Bishop | Euplectes diademata | Euplectes diadematus |
| Fiscal Flycatcher | Melaenornis silens | Sigelus silens |
| Flame-throated Warbler | Vermivora gutteralis | Parula gutturalis |
| Flat-billed Kingfisher | Halcyon recurvirostris | Todirhamphus recurvirostris |
| Flightless Cormorant | Nannopterum harrisi | Phalacrocorax harrisi |
| Forest Kingfisher | Halcyon macleayii | Todirhamphus macleayii |
| Frilled Coquette | Lophornis magnifica | Lophornis magnificus |
| Fulvous-bellied Antpitta | Hylopezus fulviventris | Hylopezus dives |
| Fuscous Honeyeater | Meliphaga fusca | Lichenostomus fuscus |
| Galapagos Mockingbird | Nesomimus trifasciatus | Nesomimus parvulus |
| Gambel's Quail | Lophortyx gambelii | Callipepla gambelii |
| Giant Ibis | Thaumatibis gigantea | Pseudibis gigantea |
| Glossy-mantled Manucode | Manucodia ater | Manucodia atra |
| Golden Bulbul | Hypsipetes affinis | Alophoixus affinis |
| Golden-backed Bishop | Euplectes aurea | Euplectes aureus |
| Golden-cheeked Warbler | Dendroica chrysopareia | Dendroica chrysoparia |
| Golden-faced Tyrannulet | Zimmerius viridiflavus | Zimmerius chrysops |
| Golden-rumped Euphonia | Euphonia aureata | Euphonia cyanocephala |
| Goldie's Lorikeet | Trichoglossus goldiei | Psitteuteles goldiei |
| Grassland Sparrow | Myospiza humeralis | Ammodramus humeralis |
| Great Dusky Swift | Aerornis senex | Cypseloides senex |
| Great Jacamar | Jacamerops aurea | Jacamerops aureus |
| Great Spinetail | Thripophaga hypochondriacus | Siptornopsis hypochondriacus |
| Great Spotted Woodpecker | Picoides major | Dendrocopos major |
| Great-billed Parrot | Tanygnathus megalorhynchos | Tanygnathus megalorynchos |
| Greater Coucal | Centropus menbeki | Centropus sinensis |
| Greater Scythebill | Campylorhamphus pucheranii | Campylorhamphus pucherani |
| Green Barbet | Cryptolibia olivacea | Stactolaema olivacea |
| Green-backed Bulbul | Hypsipetes malaccensis | Criniger chloronotus |
| Green-bellied Hummingbird | Amazilia virdigaster | Amazilia viridigaster |
| Green-fronted Lancebill | Doryfera ludoviciae | Doryfera ludovicae |
| Green-tailed Towhee | Chlorurus chlorurus | Pipilo chlorurus |
| Green-throated Carib | Sericotes holosericeus | Eulampis holosericeus |
| Green-throated Greenbul | Pycnonotus chlorigula | Andropadus chlorigula |
| Grey Cisticola | Cisticola rufilata | Cisticola rufilatus |
| Grey Hawk | Asturina nitida | Asturina plagiata |
| Grey-breasted Flycatcher | Empidonax griseipectus | Lathrotriccus griseipectus |
| Grey-brown White-eye | Zosterops cinerea | Zosterops cinereus |
| Grey-capped Warbler | Hypergerus lepida | Eminia lepida |
| Grey-capped Woodpecker | Picoides canicapillus | Dendrocopos canicapillus |
| Grey-cheeked Nunlet | Nonnula ruficapilla | Nonnula frontalis |
| Grey-eyed Bulbul | Hypsipetes propinquus | Iole propinqua |
| Grey-fronted Honeyeater | Pycnopygius cinereus | Lichenostomus plumulus |
| Grey-headed Honeyeater | Meliphaga keartlandi | Lichenostomus keartlandi |
| Grey-headed Lovebird | Agapornis cana | Agapornis canus |
| Grey-headed Spinetail | Certhiaxis semicinerea | Cranioleuca semicinerea |
| Grey-rumped Swallow | Pseudhirundo griseopyga | Hirundo griseopyga |
| Grey-tailed Tattler | Heteroscelus brevipes | Tringa brevipes |
| Grey-throated Greenbul | Pycnonotus tephrolaemus | Andropadus tephrolaemus |
| Grey-throated White-eye | Zosterops ugiensis | Zosterops rendovae |
| Guadalcanal Honeyeater | Meliphaga inexpectata | Guadalcanaria inexpectata |
| Guam Rail | Rallus owstoni | Gallirallus owstoni |
| Guanay Cormorant | Phalacrocorax bougainvillei | Phalacrocorax bougainvillii |
| Gull-billed Tern | Gelochelidon nilotica | Sterna nilotica |
| Gundlach's Hawk | Accipiter gundlachii | Accipiter gundlachi |
| Guttulated Foliage-gleaner | Philydor guttulatus | Syndactyla guttulata |
| Hadada Ibis | Hagedashia hagedash | Bostrychia hagedash |
| Hairy-backed Bulbul | Hypsipetes criniger | Tricholestes criniger |
| Hall's Greenbul | Pycnonotus hallae | Andropadus hallae |
| Helmeted Curassow | Crax pauxi | Pauxi pauxi |
| Helmeted Hornbill | Rhinoplax vigil | Buceros vigil |
| Henna-hooded Foliage-gleaner | Automolus erythrocephalus | Hylocryptus erythrocephalus |
| Hildebrandt's Starling | Spreo hildebrandti | Lamprotornis hildebrandti |
| Hill Prinia | Prinia criniger | Prinia atrogularis |
| Himalayan Swiftlet | Aerodramus brevirostris | Collocalia brevirostris |
| Himalayan Woodpecker | Picoides himalayensis | Dendrocopos himalayensis |
| Hispaniolan Trogon | Temnotrogon roseigaster | Priotelus roseigaster |
| Hoary-headed Grebe | Podiceps poliocephalus | Poliocephalus poliocephalus |
| Hooded Grosbeak | Coccothraustes abeillei | Hesperiphona abeillei |
| Hooded Merganser | Mergus cucullatus | Lophodytes cucullatus |
| Hooded Robin | Petroica cucullata | Melanodryas cucullata |
| Hook-billed Hermit | Glaucis dohrnii | Ramphodon dohrnii |
| Horned Curassow | Crax unicornis | Pauxi unicornis |
| Horned Parakeet | Cyanoramphus cornutus | Eunymphicus cornutus |
| Hottentot Teal | Anas punctata | Anas hottentota |
| Hudson's Canastero | Thripophaga hudsoni | Asthenes hudsoni |
| Inca Dove | Scardafella inca | Columbina inca |
| Indigo Flycatcher | Muscicapa indigo | Eumyias indigo |
| Iris Lorikeet | Trichoglossus iris | Psitteuteles iris |
| Island Whistler | Pachycephala phaionota | Pachycephala phaionotus |
| Jabiru | Ephippiorhynchus mycteria | Jabiru mycteria |
| Jack Snipe | Lymnocryptes minima | Lymnocryptes minimus |
| Japanese White-eye | Zosterops japonica | Zosterops japonicus |
| Javan White-eye | Zosterops flava | Zosterops flavus |
| Jerdon's Babbler | Moupinia altirostris | Chrysomma altirostre |
| Juan Fernandez Petrel | Pterodroma defilippiana | Pterodroma externa |
| Junin Canastero | Thripophaga virgata | Asthenes virgata |
| Kalij Pheasant | Lophura leucomelana | Lophura leucomelanos |
| Kentucky Warbler | Geothlypis formosa | Oporornis formosus |
| Kerguelen Petrel | Lugensa brevirostris | Pterodroma brevirostris |
| Lappet-faced Vulture | Aegypius tracheliotus | Torgos tracheliotus |
| Large Flycatcher | Pomarea whitneyi | Bradornis microrhynchus |
| Large Lifu White-eye | Zosterops inornata | Zosterops inornatus |
| Large-billed Lark | Calendula magnirostris | Galerida magnirostris |
| Laysan Finch | Telespyza cantans | Telespiza cantans |
| Least Grebe | Podiceps dominicus | Tachybaptus dominicus |
| Lemon Dove | Aplopelia larvata | Columba larvata |
| Lemon-throated White-eye | Zosterops anomala | Zosterops anomalus |
| Lesser Canastero | Thripophaga pyrrholeuca | Asthenes pyrrholeuca |
| Lesser Flamingo | Phoeniconaias minor | Phoenicopterus minor |
| Lesser Florican | Sypheotides indica | Eupodotis indica |
| Lesser Rhea | Pterocnemia pennata | Rhea pennata |
| Lesser Spotted Woodpecker | Picoides minor | Dendrocopos minor |
| Light-crowned Spinetail | Certhiaxis albiceps | Cranioleuca albiceps |
| Line-cheeked Spinetail | Certhiaxis antisiensis | Cranioleuca antisiensis |
| Line-fronted Canastero | Thripophaga urubambensis | Asthenes urubambensis |
| Lineated Foliage-gleaner | Philydor subalaris | Syndactyla subalaris |
| Little Greenbul | Pycnonotus virens | Andropadus virens |
| Little Grey Flycatcher | Muscicapa epulata | Bradornis pumilus |
| Long-billed Plover | Charadrius novaeseelandiae | Charadrius placidus |
| Long-crested Eagle | Spizaetus occipitalis | Lophaetus occipitalis |
| Long-tailed Koel | Urodynamis taitensis | Eudynamys taitensis |
| MacGillivray's Warbler | Geothlypis tolmei | Oporornis tolmiei |
| Madagascar Cisticola | Cisticola cherina | Cisticola cherinus |
| Madagascar Partridge | Margaroperdix madagascarensis | Margaroperdix madagarensis |
| Mangaia Kingfisher | Halcyon ruficollaris | Todirhamphus ruficollaris |
| Mangrove Honeyeater | Meliphaga fasciogularis | Lichenostomus fasciogularis |
| Mangrove Kingfisher | Alcedo pusilla | Halcyon senegaloides |
| Mangrove Robin | Peneoenanthe pulverulenta | Eopsaltria pulverulenta |
| Many-striped Canastero | Thripophaga flammulata | Asthenes flammulata |
| Marcapata Spinetail | Certhiaxis marcapatae | Cranioleuca marcapatae |
| Mariqua Flycatcher | Melaenornis mariquensis | Bradornis mariquensis |
| Marquesan Swiftlet | Aerodramus ocista | Collocalia ocista |
| Martial Eagle | Hieraaetus bellicosus | Polemaetus bellicosus |
| Micronesian Kingfisher | Halcyon cinnamomina | Todirhamphus cinnamominus |
| Middle Spotted Woodpecker | Picoides medius | Dendrocopos medius |
| Moluccan Swiftlet | Aerodramus infuscatus | Collocalia infuscata |
| Montane Foliage-gleaner | Philydor striaticollis | Anabacerthia striaticollis |
| Montezuma Oropendola | Psarocolius montezuma | Gymnostinops montezuma |
| Mountain Cacique | Cacicus leucoramphus | Cacicus chrysonotus |
| Mountain Greenbul | Pycnonotus nigriceps | Andropadus nigriceps |
| Mountain Quail | Oreortyx picta | Oreortyx pictus |
| Mountain Swiftlet | Aerodramus hirundinaceus | Collocalia hirundinacea |
| Mourning Warbler | Geothlypis philadelphia | Oporornis philadelphia |
| New Britain Rail | Rallus insignis | Gallirallus insignis |
| New Guinea Flightless Rail | Amaurornis ineptus | Megacrex inepta |
| New Zealand Falcon | Falco novaezeelandiae | Falco novaeseelandiae |
| Nihoa Finch | Telespyza ultima | Telespiza ultima |
| Obscure Honeyeater | Meliphaga obscura | Lichenostomus obscurus |
| Ocellated Crake | Coturnicops schomburgkii | Micropygia schomburgkii |
| Ochre-cheeked Spinetail | Synallaxis scutatus | Synallaxis scutata |
| Okinawa Rail | Rallus okinawae | Gallirallus okinawae |
| Olive Ibis | Lampribis olivacea | Bostrychia olivacea |
| Olive Spinetail | Certhiaxis obsoleta | Cranioleuca obsoleta |
| Orange-bellied Leafbird | Chloropsis hardwickei | Chloropsis hardwickii |
| Oriental White-eye | Zosterops palpebrosa | Zosterops palpebrosus |
| Orinoco Goose | Neochen jubatus | Neochen jubata |
| Pacific Gull | Gabianus pacificus | Larus pacificus |
| Paint-billed Crake | Porzana erythrops | Neocrex erythrops |
| Painted Francolin | Francolinus rufopictus | Francolinus pictus |
| Painted Honeyeater | Conopophila picta | Grantiella picta |
| Palawan Flowerpecker | Dicaeum pygmaeum | Prionochilus plateni |
| Pale Flycatcher | Melaenornis pallidus | Bradornis pallidus |
| Pale-billed Sicklebill | Drepanornis bruijnii | Epimachus bruijnii |
| Pallid Spinetail | Certhiaxis pallida | Cranioleuca pallida |
| Papuan Treecreeper | Climacteris placens | Cormobates placens |
| Pardusco | Nephelornis oneillei | Nephelornis oneilli |
| Patagonian Canastero | Thripophaga patagonica | Asthenes patagonica |
| Peacock Coquette | Lophornis pavonina | Lophornis pavoninus |
| Peruvian Recurvebill | Philydor ucayalae | Simoxenops ucayalae |
| Pied Heron | Egretta picata | Ardea picata |
| Pied Monarch | Monarcha barbatus | Arses kaupi |
| Piping Cisticola | Cisticola fulvicapilla | Cisticola fulvicapillus |
| Plain Greenbul | Pycnonotus curvirostris | Andropadus curvirostris |
| Plain Softtail | Phacellodomus fusciceps | Thripophaga fusciceps |
| Plum-headed Finch | Aidemosyne modesta | Neochmia modesta |
| Plumbeous Ibis | Harpiprion caerulescens | Theristicus caerulescens |
| Plumbeous Rail | Rallus sanguinolentus | Pardirallus sanguinolentus |
| Principe White-eye | Zosterops ficedulina | Zosterops ficedulinus |
| Puno Canastero | Thripophaga punensis | Asthenes sclateri |
| Purple-gaped Honeyeater | Meliphaga cratitia | Lichenostomus cratitius |
| Purple-naped Lory | Lorius domicellus | Lorius domicella |
| Purplish-backed Jay | Cissilopha beecheii | Cyanocorax beecheii |
| Pyrrhuloxia | Pyrrhuloxia sinuatus | Cardinalis sinuatus |
| Rattling Cisticola | Cisticola chiniana | Cisticola chinianus |
| Razor-billed Curassow | Crax mitu | Mitu tuberosa |
| Red Goshawk | Accipiter radiatus | Erythrotriorchis radiatus |
| Red-backed Kingfisher | Halcyon pyrrhopygia | Todirhamphus pyrrhopygia |
| Red-breasted Blackbird | Sturnella militaris | Leistes militaris |
| Red-eyed Bulbul | Pycnonotus nigricans | Pycnonotus brunneus |
| Red-faced Spinetail | Certhiaxis erythrops | Cranioleuca erythrops |
| Red-headed Cisticola | Cisticola subruficapilla | Cisticola subruficapillus |
| Red-headed Finch | Pinicola subhimachalus | Amadina erythrocephala |
| Red-headed Vulture | Aegypius calvus | Sarcogyps calvus |
| Red-headed Weaver | Anaplectes melanotis | Anaplectes rubriceps |
| Red-kneed Dotterel | Charadrius cinctus | Erythrogonys cinctus |
| Red-rumped Bush-Tyrant | Myiotheretes erythropygius | Cnemarchus erythropygius |
| Red-winged Warbler | Prinia erythroptera | Heliolais erythroptera |
| Ross's Goose | Anser rossi | Anser rossii |
| Roviana Rail | Rallus rovianae | Gallirallus rovianae |
| Royal Tern | Thalasseus maximus | Sterna maxima |
| Ruddy-tailed Flycatcher | Terenotriccus erythrurus | Myiobius erythrurus |
| Rufous Cisticola | Cisticola rufa | Cisticola rufus |
| Rufous-bellied Woodpecker | Picoides hyperythrus | Dendrocopos hyperythrus |
| Rufous-brown Solitaire | Myadestes leucogenys | Cichlopsis leucogenys |
| Rufous-headed Robin | Erithacus ruficeps | Luscinia ruficeps |
| Rufous-necked Foliage-gleaner | Automolus ruficollis | Syndactyla ruficollis |
| Russet-crowned Crake | Laterallus viridis | Anurolimnas viridis |
| Russet-mantled Softtail | Phacellodomus berlepschi | Thripophaga berlepschi |
| Rusty-backed Spinetail | Certhiaxis vulpina | Cranioleuca vulpina |
| Rusty-fronted Canastero | Thripophaga ottonis | Asthenes ottonis |
| Rusty-winged Barbtail | Margarornis guttuligera | Premnornis guttuligera |
| Sacred Kingfisher | Halcyon sancta | Todirhamphus sanctus |
| Saddleback | Creadion carunculatus | Philesturnus carunculatus |
| Saffron-cowled Blackbird | Xanthopsar flavus | Agelaius flavus |
| Salvin's Curassow | Crax salvini | Mitu salvini |
| San Blas Jay | Cissilopha sanblasiana | Cyanocorax sanblasianus |
| Sandwich Tern | Thalasseus sandvicensis | Sterna sandvicensis |
| Scaled Spinetail | Certhiaxis muelleri | Cranioleuca muelleri |
| Scaly-breasted Thrasher | Margarops fusca | Margarops fuscus |
| Scaly-throated Foliage-gleaner | Philydor variegaticeps | Anabacerthia variegaticeps |
| Scimitar-winged Piha | Chirocylla uropygialis | Lipaugus uropygialis |
| Scribble-tailed Canastero | Thripophaga maculicauda | Asthenes maculicauda |
| Scrub Jay | Aphelocoma coerulescens | Aphelocoma californica |
| Sharp-billed Treehunter | Xenops contaminatus | Heliobletus contaminatus |
| Shelley's Greenbul | Pycnonotus masukuensis | Andropadus masukuensis |
| Shelley's Starling | Spreo shelleyi | Lamprotornis shelleyi |
| Short-billed Canastero | Thripophaga baeri | Asthenes baeri |
| Short-winged Grebe | Rollandia micropterum | Rollandia microptera |
| Siberian Blue Robin | Erithacus cyane | Luscinia cyane |
| Siberian Rubythroat | Erithacus calliope | Luscinia calliope |
| Siffling Cisticola | Cisticola brachyptera | Cisticola brachypterus |
| Silver-eared Honeyeater | Lichmera incana | Lichmera alboauricularis |
| Silverbird | Melaenornis semipartitus | Empidornis semipartitus |
| Silvery Kingfisher | Ceyx argentatus | Alcedo argentata |
| Sind Woodpecker | Picoides assimilis | Dendrocopos assimilis |
| Singing Honeyeater | Meliphaga virescens | Lichenostomus virescens |
| Slender-billed Greenbul | Pycnonotus gracilirostris | Andropadus gracilirostris |
| Slender-tailed Nightjar | Scotornis clarus | Caprimulgus clarus |
| Small Lifu White-eye | Zosterops minuta | Zosterops minutus |
| Smew | Mergus albellus | Mergellus albellus |
| Socotra Cisticola | Cisticola haesitata | Cisticola incanus |
| Solomon Islands White-eye | Zosterops rendovae | Zosterops kulambangrae |
| Somali Lark | Mirafra somalica | Mirafra sharpii |
| Sombre Greenbul | Pycnonotus importunus | Andropadus importunus |
| Sombre Kingfisher | Halcyon funebris | Todirhamphus funebris |
| Souimanga Sunbird | Nectarinia souimanga | Nectarinia sovimanga |
| Spangled Coquette | Lophornis stictolopha | Lophornis stictolophus |
| Speckle-breasted Antpitta | Hylopezus ochroleucus | Hylopezus nattereri |
| Speckled Spinetail | Certhiaxis gutturata | Cranioleuca gutturata |
| Spectacled Tyrant | Hymenops perspicillata | Hymenops perspicillatus |
| Splendid Sunbird | Nectarinia coccinigastra | Nectarinia coccinigaster |
| Spot-breasted Ibis | Lampribis rara | Bostrychia rara |
| Spot-winged Monarch | Monarcha guttula | Monarcha guttulus |
| Spotted Barbtail | Margarornis brunnescens | Premnoplex brunnescens |
| Spotted Berrypecker | Rhamphocharis crassirostris | Melanocharis crassirostris |
| Spotted Fantail | Rhipidura spilodera | Rhipidura perlata |
| Spotted Honeyeater | Meliphaga polygramma | Xanthotis polygramma |
| Spotted Rail | Rallus maculatus | Pardirallus maculatus |
| Spotted Sandpiper | Actitis macularia | Tringa macularia |
| Stork-billed Kingfisher | Halcyon capensis | Pelargopsis capensis |
| Stout Cisticola | Cisticola robusta | Cisticola robustus |
| Streak-backed Canastero | Thripophaga wyatti | Asthenes wyatti |
| Streak-capped Spinetail | Certhiaxis hellmayri | Cranioleuca hellmayri |
| Streak-throated Canastero | Thripophaga humilis | Asthenes humilis |
| Striated Bulbul | Pycnonotus leucogrammicus | Pycnonotus striatus |
| Striated Pardalote | Pardalotus substriatus | Pardalotus striatus |
| Stripe-breasted Woodpecker | Picoides atratus | Dendrocopos atratus |
| Stripe-cheeked Greenbul | Pycnonotus milanjensis | Andropadus milanjensis |
| Stripe-crowned Spinetail | Certhiaxis pyrrhophia | Cranioleuca pyrrhophia |
| Striped Crake | Porzana marginalis | Aenigmatolimnas marginalis |
| Striped Woodhaunter | Philydor subulatus | Hyloctistes subulatus |
| Sulawesi Hornbill | Aceros cassidix | Penelopides exarhatus |
| Swainson's Hawk | Buteo swainsonii | Buteo swainsoni |
| Syrian Woodpecker | Picoides syriacus | Dendrocopos syriacus |
| Tahiti Petrel | Pseudobulwaria rostrata | Pterodroma rostrata |
| Tamarugo Conebill | Conirostrum tamarugensis | Conirostrum tamarugense |
| Tana River Cisticola | Cisticola restricta | Cisticola restrictus |
| Tawny-breasted Honeyeater | Meliphaga flaviventer | Xanthotis flaviventer |
| Tawny-crowned Honeyeater | Glyciphilus melanops | Phylidonyris melanops |
| Tawny-headed Swallow | Alopochelidon fucata | Stelgidopteryx fucata |
| Tawny-throated Dotterel | Eudromias ruficollis | Oreopholus ruficollis |
| Tepui Spinetail | Certhiaxis demissa | Cranioleuca demissa |
| Terek Sandpiper | Xenus cinereus | Tringa cinerea |
| Thekla Lark | Galerida malabarica | Galerida theklae |
| Tiny Cisticola | Cisticola nana | Cisticola nanus |
| Tooth-billed Catbird | Scenopoeetes dentirostris | Ailuroedus dentirostris |
| Tuamotu Kingfisher | Halcyon gambieri | Todirhamphus gambieri |
| Tufted Puffin | Lunda cirrhata | Fratercula cirrhata |
| Tumbes Sparrow | Rhynchospiza stolzmanni | Aimophila stolzmanni |
| Twite | Acanthis flavirostris | Carduelis flavirostris |
| Ultramarine Kingfisher | Halcyon leucopygia | Todirhamphus leucopygius |
| Uniform Crake | Eulabeornis concolor | Amaurolimnas concolor |
| Uniform Swiftlet | Aerodramus vanikorensis | Collocalia vanikorensis |
| Variable Seedeater | Sporophila aurita | Sporophila americana |
| Varied Honeyeater | Meliphaga versicolor | Lichenostomus versicolor |
| Varied Lorikeet | Trichoglossus versicolor | Psitteuteles versicolor |
| Varied Sittella | Neositta chrysoptera | Daphoenositta chrysoptera |
| Varied Thrush | Ixoreus naevia | Zoothera naevia |
| Vermilion Cardinal | Pyrrhuloxia phoeniceus | Cardinalis phoeniceus |
| Violet Cuckoo | Chalcites xanthorhynchus | Chrysococcyx xanthorhynchus |
| Violet-backed Starling | Sturnus philippensis | Cinnyricinclus leucogaster |
| Wahlberg's Eagle | Hieraaetus wahlbergi | Aquila wahlbergi |
| Wandering Tattler | Heteroscelus incanus | Tringa incana |
| Warsangli Linnet | Acanthis johannis | Carduelis johannis |
| Waterfall Swift | Hydrochrous gigas | Hydrochous gigas |
| Wattled Crane | Bugeranus carunculatus | Grus carunculatus |
| Wedge-billed Hummingbird | Schistes geoffroyi | Augastes geoffroyi |
| Wedge-billed Woodcreeper | Glyphorhynchus spirurus | Glyphorynchus spirurus |
| Whiskered Tern | Chlidonias hybrida | Chlidonias hybridus |
| White-backed Woodpecker | Picoides leucotos | Dendrocopos leucotos |
| White-breasted White-eye | Zosterops abyssinica | Zosterops abyssinicus |
| White-browed Triller | Lalage leucomela | Lalage moesta |
| White-cheeked Cotinga | Ampelion stresemanni | Zaratornis stresemanni |
| White-collared Foliage-gleaner | Philydor fuscus | Anabazenops fuscus |
| White-crested Coquette | Paphosia adorabilis | Lophornis adorabilis |
| White-eared Barbet | Smilorhis leucotis | Stactolaema leucotis |
| White-eared Bulbul | Pycnonotus aurigaster | Pycnonotus leucotis |
| White-gaped Honeyeater | Meliphaga unicolor | Lichenostomus unicolor |
| White-headed Munia | Lonchura leucogastra | Lonchura maja |
| White-headed Vulture | Aegypius occipitalis | Trigonoceps occipitalis |
| White-necked Petrel | Pterodroma externa | Pterodroma cervicalis |
| White-necked Raven | Corvus cryptoleucus | Corvus albicollis |
| White-plumed Honeyeater | Meliphaga penicillata | Lichenostomus penicillatus |
| White-ringed Flycatcher | Conopias parva | Conopias albovittata |
| White-ruffed Manakin | Corapipo leucorrhoa | Corapipo altera |
| White-rumped Swiftlet | Aerodramus spodiopygius | Collocalia spodiopygius |
| White-streaked Honeyeater | Lichmera cockerelli | Trichodere cockerelli |
| White-throated Barbtail | Margarornis tatei | Premnoplex tatei |
| White-throated Flowerpecker | Dicaeum erythrothorax | Dicaeum vincens |
| White-throated Rail | Canirallus cuvieri | Dryolimnas cuvieri |
| White-throated Swift | Aeronautes saxatilis | Aeronautes saxatalis |
| White-throated Treecreeper | Climacteris leucophaea | Cormobates leucophaeus |
| White-winged Grosbeak | Coccothraustes carnipes | Mycerobas carnipes |
| White-winged Tern | Chlidonias leucoptera | Chlidonias leucopterus |
| White-winged Triller | Lalage sueurii | Lalage tricolor |
| White-winged Warbler | Bradypterus carpalis | Xenoligea montana |
| White-winged Woodpecker | Picoides leucopterus | Dendrocopos leucopterus |
| Whitehead's Swiftlet | Aerodramus whiteheadi | Collocalia whiteheadi |
| Wilson's Phalarope | Phalaropus tricolor | Steganopus tricolor |
| Wood Thrush | Hylocichla mustelina | Catharus mustelinus |
| Yellow Honeyeater | Meliphaga flava | Lichenostomus flavus |
| Yellow Tyrannulet | Phylloscartes flaveolus | Capsiempis flaveola |
| Yellow-billed Cacique | Cacicus holosericeus | Amblycercus holosericeus |
| Yellow-breasted Pipit | Hemimacronyx chloris | Anthus chloris |
| Yellow-browed Oxylabes | Oxylabes xanthophrys | Crossleyia xanthophrys |
| Yellow-browed Sparrow | Myospiza aurifrons | Ammodramus aurifrons |
| Yellow-crowned Woodpecker | Picoides mahrattensis | Dendrocopos mahrattensis |
| Yellow-faced Parrot | Poicephalus flavifrons | Amazona xanthops |
| Yellow-throated Honeyeater | Meliphaga flavicollis | Lichenostomus flavicollis |
| Yellow-tufted Honeyeater | Meliphaga melanops | Lichenostomus melanops |
| Yellow-wattled Lapwing | Vanellus malabaricus | Vanellus malarbaricus |
| Yellow-whiskered Greenbul | Pycnonotus latirostris | Andropadus latirostris |
| Yucatan Jay | Cissilopha yucatanica | Cyanocorax yucatanicus |
| Yucatan Poorwill | Otophanes yucatanicus | Nyctiphrynus yucatanicus |