.
| Genus | Common name | |
|---|---|---|
| Semnornis Richmond | toucan-barbets | |
|   | Abeillia Bonaparte | emerald-chinned hummingbird | 
|   | Abroscopus Baker | warbler | 
|   | Aburria L. Reichenbach | wattled guan | 
|   | Acanthis Borkhausen | redpoll | 
|   | Acanthiza Vigors & Horsfield | striated thornbill | 
|   | Acanthorhynchus Gould | Spinebill | 
|   | Accipiter Brisson | goshawk, sparrowhawk | 
|   | Aceros Hodgson | Rufous-necked hornbill | 
|   | Acridotheres Vieillot | myna | 
|   | Acritillas Oberholser | yellow-browed bulbul, golden-browed bulbul | 
|   | Acrocephalus J. A. Naumann and J. F. Naumann | marsh warblers, reed warblers | 
|   | Acropternis Cabanis & Heine | ocellated tapaculo | 
|   | Acryllium Gray, GR | vulturine guineafowl | 
|   | Actenoides Bonaparte | kingfisher | 
|   | Actinodura Gould | barwing | 
|   | Actitis Illiger | wader | 
|   | Actophilornis Oberholser | jacanas | 
|   | Aechmophorus Coues | |
|   | Aegithalos Hermann | songbird, bushtit | 
|   | Aegithina Vieillot | Common iora | 
|   | Aegolius Kaup | owl | 
|   | Aegypius Savigny | Cinereous vulture | 
|   | Aenigmatolimnas J.L. Peters | striped crake | 
|   | Aepypodius Oustalet | brushturkey | 
|   | Aethia Merrem | |
|   | Aethopyga Cabanis | sunbirds | 
|   | Afropavo Chapin | Congo peafowl | 
|   | Afrotis GR Gray | |
|   | Agamia Reichenbach | herons | 
|   | Agapornis Selby | Lovebird | 
|   | Agelaius Vieillot | blackbird | 
|   | Agelastes Bonaparte | guineafowl | 
|   | Agelasticus Cabanis | blackbird | 
|   | Aglaeactis Gould | sunbeam | 
|   | Aglaiocercus Zimmer | |
|   | Agraphospiza Zuccon, Prŷs-Jones, Rasmussen & Ericson | Blanford's rosefinch | 
|   | Agricola Bonaparte | flycatcher | 
|   | Aidemosyne Reichenbach | |
|   | Aix F. Boie | Wood Ducks | 
|   | Alauda Linnaeus | skylark | 
|   | Alca Linnaeus | |
|   | Alcedo Linnaeus | kingfisher | 
|   | Alcippe Blyth | fulvetta, alcippe | 
|   | Alcurus Blyth | striated bulbul | 
| Aleadryas Iredale | rufous-naped bellbird | |
|   | Alectoris Kaup | rock partridges | 
|   | Alectroenas G.R. Gray | blue pigeon | 
|   | Alectura Latham | Australian brushturkey, Australian brush-turkey, gweela | 
|   | Alethe Cassin | alethe | 
| Alipiopsitta Caparroz and Pacheco | parrot | |
|   | Alisterus Mathews | Australasian parrots | 
|   | Alle Link | little auk, dovekie | 
|   | Allenia Cory | scaly-breasted thrasher | 
|   | Alophoixus Oates | finchbill | 
|   | Alopochen Stejneger | Egyptian goose | 
|   | Amadina Swainson | |
|   | Amandava Blyth | |
|   | Amaurolimnas Sharpe | uniform crake | 
|   | Amaurornis Reichenbach | bush-hen | 
|   | Amaurospiza Cabanis | seedeater | 
|   | Amazilia Lesson, RP | hummingbird | 
|   | Amazilis Gray, GR | amazilia hummingbird | 
|   | Amazona Lesson | parrot | 
|   | Amazonetta von Boetticher | Brazilian teal, Brazilian duck | 
|   | Amblycercus Cabanis | yellow-billed cacique | 
|   | Amblyospiza Sundevall | Thick-billed weaver | 
|   | Ammodramus Swainson | sparrow | 
|   | Ammomanes Cabanis | lark | 
|   | Ammoperdix Gould | |
|   | Ammospiza Oberholser | sparrow | 
|   | Ampelioides Verreaux | Scaled fruiteater | 
|   | Ampelion Tschudi | cotinga | 
|   | Amphispiza Coues | black-throated sparrow | 
|   | Amytornis Stejneger | Grasswrens | 
|   | Anabathmis Reichenow | sunbirds | 
|   | Anaplectes Reichenbach | weavers | 
|   | Anarhynchus Quoy & Gaimard | wrybill | 
|   | Anas Linnaeus | |
|   | Anastomus Bonnaterre | openbill stork | 
|   | Andigena Gould | mountain toucans | 
|   | Androdon Gould | tooth-billed hummingbird | 
|   | Andropadus Swainson | sombre greenbul | 
|   | Anhima Brisson | horned screamer | 
|   | Anhinga Brisson | darters, anhingas, snakebirds | 
|   | Anisognathus Reichenbach | |
|   | Anodorhynchus Spix | parrot | 
|   | Anomalospiza Shelley | cuckoo-finch | 
|   | Anopetia Simon | |
|   | Anorrhinus Reichenbach | hornbill | 
|   | Anous Stephens | noddy | 
|   | Anser Brisson | shelduck | 
|   | Anthipes Blyth | flycatcher | 
|   | Anthobaphes Cabanis | orange-breasted sunbird | 
|   | Anthocephala Cabanis & Heine | blossomcrown | 
|   | Anthochaera Vigors & Horsfield | wattlebird | 
|   | Anthoscopus Cabanis | WIKI | 
|   | Anthracoceros Reichenbach | hornbill | 
|   | Anthracothorax F. Boie | mango | 
|   | Anthreptes Swainson | sunbirds | 
| Anthropoides Vieillot | ||
|   | Anthus Bechstein | Pipit | 
|   | Antigone Reichenbach | |
|   | Antrostomus Bonaparte | nightjar, whip-poor-will | 
|   | Apalharpactes Bonaparte | trogon | 
|   | Apaloderma Swainson | trogon | 
|   | Apalopteron Bonaparte | Bonin white-eye | 
|   | Aphelocoma Cabanis | jays and scrub jays | 
|  | Aplonis Gould | starling | 
|   | Aprosmictus Gould | |
|   | Aptenodytes Miller, JF | penguin | 
| Aptenorallus Kirchman, McInerney, Giarla, Olson, Slikas & Fleischer | Calayan rail | |
|   | Apus Linnaeus | Swift | 
|   | Aquila Brisson | Eagle | 
|   | Ara Lacépède | macaw | 
|   | Arachnothera Temminck | spiderhunters | 
|   | Aramides Pucheran | wood rail | 
|   | Aramus Vieillot | limpkin | 
|   | Arborophila Hodgson | partridge | 
|   | Archilochus Reichenbach | |
|   | Ardea Linnaeus | Great Herons | 
|   | Ardenna Reichenbach | shearwater | 
|   | Ardeola F. Boie | Pond herons | 
|   | Ardeotis Le Maout | |
|   | Arenaria Brisson | Turnstone | 
|   | Argusianus Rafinesque | great argus | 
|   | Argya Lesson, R | babbler | 
|   | Arizelocichla Oberholser | golden greenbul | 
|   | Arses Lesson | flycatcher | 
|   | Artamella W.L. Sclater | white-headed vanga | 
|  | Artamus Vieillot | woodswallow | 
|   | Arundinax Blyth | thick-billed warbler | 
|   | Asemospiza K. J. Burns, Unitt & N. A. Mason | grassquit | 
|   | Asio Brisson | typical owls, Eared Owl | 
|   | Aspatha Lafresnaye | blue-throated motmot | 
|   | Astrapia Vieillot | astrapia | 
|   | Atelornis Pucheran | ground roller | 
|   | Athene F. Boie | owl | 
|   | Attagis Geoffroy Saint-Hilaire, I. and Lesson, R | seedsnipes | 
|   | Augastes Gould | visorbearer | 
|   | Aulacorhynchus Gould | Green toucanets | 
|   | Auriparus S.F. Baird | WIKI | 
|   | Aviceda Swainson | baza | 
|   | Avocettula Reichenbach | Fiery-tailed awlbill | 
|   | Aythya F. Boie | duck, scaup, pochard | 
|   | Baeolophus Cabanis | tufted titmouse | 
|   | Balaeniceps Gould | shoebill | 
|   | Balearica Brisson | crowned cranes | 
|   | Bambusicola Gould | Bamboo partridges, ridge partridges | 
|   | Bangsia Penard | tanager | 
|   | Barnardius Bonaparte | Australian ringneck | 
|   | Bartramia Lesson | sandpiper | 
|   | Baryphthengus Cabanis & Heine | motmot | 
| Basileuterus Cabanis | Basileuterine Warbler | |
|   | Basilinna F. Boie | hummingbird | 
|   | Basilornis Bonaparte | myna | 
|   | Bathilda Reichenbach | |
|   | Batis F. Boie | batis | 
|   | Batrachostomus Gould | frogmouth | 
|   | Berenicornis Bonaparte | |
|   | Blythipicus Bonaparte | woodpecker | 
|   | Boissonneaua Reichenbach | coronet | 
|   | Bombycilla Vieillot | waxwings | 
|   | Bonasa Stephens | ruffed grouse | 
|   | Bostrychia G. R. Gray | |
|   | Botaurus Stephens | boat-billed heron | 
| Brachycope Reichenow | Bob-tailed weaver | |
|   | Brachypodius Blyth | bulbul | 
|   | Brachypteracias Lafresnaye | ground roller | 
|   | Brachypteryx Horsfield, | shortwing | 
|   | Brachyramphus Brandt, JF | murrelet | 
|   | Bradornis Smith, A | |
|   | Branta Scopoli | black geese | 
|   | Brunhilda Reichenbach | waxbill | 
|   | Bubalornis A. Smith | buffalo weaver | 
|   | Bubo Duméril | Horned Owl | 
|   | Bubulcus Bonaparte | herons | 
|   | Bucanetes Cabanis | |
|   | Bucephala S.F. Baird | goldeneye | 
|   | Buceros Linnaeus | hornbill | 
|   | Bucorvus Lesson | ground hornbill | 
|   | Bulweria Bonaparte | petrel | 
|   | Buphagus Brisson | oxpecker | 
|   | Burhinus Illiger | stone-curlew, Thick-knees | 
|   | Busarellus Lesson | black-collared hawk | 
|   | Butastur Hodgson | |
|   | Buteo Lacepede | Hawk, buzzard | 
|   | Buteogallus Lesson, RP | Hawk | 
|   | Buthraupis Cabanis | Hooded mountain tanager | 
|   | Butorides Blyth | herons | 
|   | Bycanistes Cabanis & Heine | hornbill | 
|   | Cacatua Vieillot | cockatoo, corella | 
|   | Cacomantis S. Müller | cuckoos | 
|   | Cairina Fleming | Muscovy duck | 
| Calamonastides Grant and Mackworth-Praed | ||
|   | Calamospiza Bonaparte | lark bunting | 
|   | Calandrella Kaup | lark | 
|   | Calcarius Bechstein | longspur | 
|   | Calidris Merrem | Stint, sandpiper | 
|   | Callacanthis Reichenbach | spectacled finch | 
|   | Calliope Gould | rubythroat, Firethroat, Blackthroat | 
|   | Callipepla Wagler | Crested quails | 
|   | Calliphlox F. Boie | |
|   | Callocephalon Lesson | gang-gang cockatoo | 
|   | Calochaetes Sclater, PL | vermilion tanager | 
|   | Calocitta G.R. Gray | magpie-jays | 
|   | Caloenas G. R. Gray | pigeons | 
|   | Calonectris Mathews & Iredale | shearwater | 
|   | Caloperdix Blyth | ferruginous partridge | 
|   | Caloramphus Lesson | |
|   | Calothorax G.R. Gray | |
|   | Calypte Gould | |
| Calyptocichla Oberholser | golden greenbul | |
|   | Calyptomena Horsfield | broadbill | 
|   | Calyptorhynchus Desmarest | black-and-red cockatoo | 
|   | Campephilus G.R. Gray | woodpecker | 
|   | Campethera G.R. Gray | woodpecker | 
|   | Campicoloides Roberts | buff-streaked chat or buff-streaked bushchat | 
|   | Campocolinus Crowe et al | francolins | 
|   | Camptostoma P.L. Sclater | beardless tyrannulet | 
|   | Campylorhynchus Spix | wren | 
|   | Canachites Stejneger | spruce grouse, Canada grouse, spruce hen, fool hen | 
|   | Capito Vieillot | barbet | 
|   | Caprimulgus Linnaeus | nightjar | 
|   | Caracara Merrem | crested caracara | 
|   | Cardellina Bonaparte | Red-faced Warbler | 
|   | Cardinalis Bonaparte | cardinal | 
|   | Carduelis Brisson | goldfinch | 
|   | Caridonax Cabanis & Heine | kingfisher | 
|   | Carpococcyx G.R. Gray | Asian ground-cuckoos | 
|   | Carpodacus Kaup | rosefinch | 
| Carpodectes Salvin | cotinga | |
|   | Carpornis G.R. Gray | berryeater | 
|   | Carpospiza von Müller | pale rockfinch, pale rock sparrow | 
|   | Caryothraustes Reichenbach | grosbeak | 
|   | Cassowary Brisson | Cassowary | 
|   | Catamblyrhynchus Lafresnaye | Plushcap | 
|   | Catharopeza P.L. Sclater | |
|   | Cathartes Illiger | |
|   | Catharus Bonaparte | nightingale-thrush | 
|   | Catreus Cabanis | cheer pheasant | 
|   | Catriscus Cabanis | fan-tailed grassbird, broad-tailed warbler | 
|   | Cecropis F. Boie | |
|   | Celeus F. Boie | woodpecker | 
|   | Centrocercus Swainson | Sage-grouse | 
|   | Centronyx Baird | sparrow | 
|   | Centropus Illiger | coucal | 
|   | Cephalopterus E. Geoffroy Saint-Hilaire | umbrellabird | 
|   | Cephalopyrus Bonaparte | |
|   | Cepphus Pallas | true guillemots | 
|   | Ceratogymna Bonaparte | hornbill | 
|   | Ceratopipra Bonaparte | manakin | 
|   | Cercibis Wagler | |
|   | Cercococcyx Cabanis | long-tailed cuckoos | 
|   | Cercotrichas F. Boie | scrub robin | 
|   | Cereopsis Latham | |
|   | Cerorhinca Bonaparte | |
|   | Certhia Linnaeus | treecreeper | 
|   | Certhidea Gould | warbler-finch | 
|   | Certhionyx Lesson | honeyeater | 
|   | Ceryle F. Boie | kingfisher | 
|   | Cettia Bonaparte | typical bush warblers | 
|   | Ceuthmochares Cabanis & Heine | yellowbills | 
|   | Ceyx Lacépède | kingfisher | 
|   | Chaetocercus G.R. Gray | |
|   | Chaetorhynchus A.B. Meyer | drongo fantail | 
|   | Chaetura Stephens | |
|   | Chaimarrornis Hodgson | |
|   | Chalcomitra Reichenbach | sunbirds | 
|   | Chalcoparia Cabanis | ruby-cheeked sunbird | 
|   | Chalcophaps Gould | dove | 
|   | Chalcostigma Reichenbach | |
|   | Chalcothraupis Bonaparte | golden-naped tanager | 
|   | Chalybura Reichenbach | plumeleteer | 
|   | Chamaea Gambel | wrentit | 
|   | Chamaepetes Wagler | guan | 
|   | Chamaetylas Heine | alethe | 
|   | Chamaeza Vigors | antthrush | 
|   | Charadrius Linnaeus | plover | 
|   | Charitospiza Oberholser | coal-crested finch | 
|   | Charminetta Iredale | pygmy lorikeet | 
|   | Charmosynopsis Salvadori | lorikeet | 
|   | Chasiempis Cabanis | ʻelepaio | 
|   | Chelictinia Lesson | kite | 
|   | Chelidorhynx Blyth | yellow-bellied fantail, yellow-bellied fairy-fantail | 
|   | Chenorhamphus Oustalet, | fairywren | 
|   | Chiroxiphia Cabanis | manakin | 
|   | Chlamydotis Lesson | |
|   | Chlidonias Rafinesque | tern | 
|   | Chloebia Reichenbach | |
|   | Chloris Cuvier | greenfinch | 
|   | Chloroceryle Kaup | kingfisher | 
|   | Chlorochrysa Bonaparte | |
| Chloropeta | yellow warbler | |
|   | Chlorophanes Reichenbach | Green honeycreeper | 
|   | Chlorophonia Bonaparte | euphonia | 
|   | Chloropicus Malherbe | woodpecker | 
|   | Chloropsis Jardine & Selby | leafbirds | 
|   | Chlorornis Reichenbach | Grass-green tanager | 
|   | Chlorothraupis Salvin & Godman | tanager | 
|   | Cholornis Verreaux, J | parrotbill | 
|   | Chondestes Swainson | lark sparrow | 
|   | Chordeiles Swainson | nighthawk | 
|   | Chroicocephalus Eyton | gull | 
|   | Chrysococcyx Boie, F. | cuckoos | 
|   | Chrysocolaptes Blyth | flameback | 
|   | Chrysolampis Boie, F | ruby-topaz hummingbird | 
|   | Chrysolophus J.E. Gray | |
|   | Chrysomma Blyth | babbler | 
|   | Chrysomus Swainson | blackbird | 
|   | Chrysophlegma Gould | woodpecker | 
|   | Chrysothlypis Berlepsch | tanager | 
|   | Cicinnurus Vieillot | king bird-of-paradise | 
|   | Ciconia Brisson | stork | 
| Cinclidium Blyth | blue-fronted robin | |
|   | Cinclocerthia G.R. Gray | Trembler | 
|   | Cinclus Borkhausen | Dippers | 
|   | Cinnyricinclus Lesson | violet-backed starling, plum-coloured starling, amethyst starling | 
|   | Cinnyris Cuvier | sunbirds | 
|   | Circus Lacépède | harrier | 
|   | Cissa F. Boie | green magpies | 
|   | Cissopis Vieillot | magpie tanager | 
|   | Cisticola Kaup | fantail-warbler, tailor-bird | 
|   | Cistothorus Cabanis | wren | 
|   | Cittura Kaup | Lilac kingfisher | 
|   | Cladorhynchus Vieillot | banded stilt | 
|   | Clamator Kaup | cuckoos | 
|   | Clanga Adamowicz | |
|   | Clangula Leach | long-tailed duck | 
|   | Cleptornis Oustalet | golden white-eye | 
| Clytomyias Sharpe | orange-crowned fairywren | |
|   | Clytospiza Shelley | |
|   | Cnemathraupis Penard | mountain tanager | 
|   | Coccopygia Reichenbach | |
|   | Coccothraustes Brisson | hawfinch | 
|   | Coccycua Lesson | cuckoos | 
|   | Coccyzus Vieillot | cuckoos | 
|   | Cochlearius Brisson | boat-billed heron | 
|   | Cochoa Hodgson | cochoa | 
|   | Coeligena Lesson | inca, starfrontlet | 
|   | Coenocorypha G.R. Gray | austral snipe | 
|   | Coereba Vieillot | bananaquit | 
|   | Colaptes Vigors | woodpecker, flicker | 
|   | Colibri Spix | violetears | 
|   | Colinus Goldfuss | Bobwhites | 
|   | Colius Brisson | |
|   | Coloeus Kaup | Jackdaws | 
|   | Columba Linnaeus | Pigeons | 
|   | Columbina von Spix | Ground-Doves | 
|   | Compsothraupis Richmond | Scarlet-throated tanager | 
|   | Conioptilon Lowery & O'Neill | Black-faced cotinga | 
|   | Conostoma Hodgson | great parrotbill | 
|   | Contopus Cabanis | flycatcher, pewee | 
|   | Conuropsis Salvadori | Carolina parakeet, Carolina conure | 
|   | Copsychus Wagler | magpie-robin, shama | 
|   | Coracias Linnaeus | |
|   | Coracina Vieillot | cuckooshrike | 
|   | Coracopsis Wagler | vasa parrot | 
|   | Coragyps Le Maout | black vulture | 
|   | Corapipo Bonaparte | manakin | 
|   | Corthylio Cabanis | ruby-crowned kinglet | 
|   | Corvus Linnaeus | Crows | 
|   | Corydon Lesson | dusky broadbill | 
|   | Coryphaspiza G. R. Gray | Black-masked finch | 
|   | Corythaeola Heine | great blue turaco | 
|   | Corythornis Kaup | kingfisher | 
|   | Coscoroba Reichenbach | coscoroba swan | 
|   | Cossypha Vigors | robin-chat | 
|   | Cotinga Brisson | cotinga | 
|   | Coturnicops G.R. Gray | rail | 
|   | Coturnix Garsault | quails | 
|   | Coua Schinz | couas | 
|   | Cracticus Vieillot | butcherbird | 
|   | Crax Linnaeus | curassow | 
|   | Creagrus Bonaparte | Swallow-tailed gull | 
|   | Crecopsis Sharpe | African crake | 
|   | Crex Bechstein | corn crake, corncrake, landrail | 
|   | Crinifer Jarocki | plantain-eaters, go-away-bird | 
|   | Crithagra Swainson | Canary, seedeater, siskin, citril | 
|   | Crossoptilon Hodgson | Eared pheasants | 
|   | Crotophaga Linnaeus | anis | 
|   | Crypsirina Vieillot | treepie | 
|   | Cryptomicroeca Christidis, Irestedt, Rowe, Boles & Norman | |
|   | Cryptopezus Carneiro, Bravo & Aleixo | speckle-breasted antpitta | 
|   | Cryptophaps Salvadori | sombre pigeon | 
|   | Cryptospiza Salvadori | crimsonwings | 
|   | Cuculus Linnaeus | cuckoos | 
|   | Culicicapa R. Swinhoe | canary-flycatcher | 
|   | Curruca Bechstein | |
|   | Cursorius Latham | courser | 
|   | Cutia Hodgson | cutia | 
|   | Cyanerpes Oberholser | honeycreeper | 
|   | Cyanicterus Bonaparte | Blue-backed tanager | 
|   | Cyanistes Kaup | |
|   | Cyanocitta Linnaeus | jays | 
|   | Cyanocompsa Cabanis | blue bunting | 
|   | Cyanocorax F. Boie | New World jays | 
|   | Cyanoderma Salvadori | babbler | 
|   | Cyanolanius Bonaparte | blue vanga | 
|   | Cyanoliseus Bonaparte | Burrowing parakeet | 
|   | Cyanoloxia Bonaparte | grosbeak | 
|   | Cyanolyca Cabanis | jays | 
|   | Cyanomitra Reichenbach | sunbirds | 
|   | Cyanopica Bonaparte | magpies | 
|   | Cyanopsitta Bonaparte | Spix's macaw | 
|   | Cyanoptila Blyth | flycatcher | 
|   | Cyclarhis Swainson | peppershrike | 
|   | Cygnus Bechstein | true swans | 
|   | Cymbirhynchus Vigors | black-and-red broadbill | 
|   | Cynanthus Swainson | hummingbird, emerald | 
|   | Cyornis Blyth | flycatcher | 
|   | Cypseloides Streubel | swift | 
|   | Cyrtonyx Gould | quails | 
|   | Dacelo Leach | Kookaburra | 
|   | Dacnis Cuvier | dacnis | 
| Dactylortyx (Gambel ) Ogilvie-Grant | quails | |
|   | Daptrius Vieillot | black caracara | 
|   | Dasycrotapha Tweeddale | babbler and pygmy babblers | 
|   | Dasylophus Swainson | malkoha | 
|   | Delacourella Wolters | |
|   | Deleornis Wolters | sunbirds | 
|   | Delichon F. Moore | House-Martins | 
|   | Dendragapus Elliot | grouses | 
|   | Dendrocitta Gould | treepies | 
|   | Dendrocopos Koch | woodpecker | 
|   | Dendrocoptes Cabanis & Heine | woodpecker | 
|   | Dendrocygna Swainson | whistling ducks, tree ducks | 
|   | Dendronanthus Blyth | forest wagtail | 
|   | Dendropicos Malherbe, | woodpecker | 
|   | Dendrortyx Gould | wood partridge | 
|   | Dicaeum Cuvier | |
|   | Dicrurus Vieillot | drongos | 
|   | Diglossa Wagler | flowerpiercer | 
|   | Dinemellia Reichenbach | White-headed buffalo weaver | 
|   | Dinopium Rafinesque | flameback | 
|   | Diomedea Linnaeus | albatross | 
|  | Diopsittaca Ridgway | Red-shouldered macaw | 
|   | Diphyllodes Lesson, RP | bird-of-paradise | 
|   | Discosura Bonaparte | thorntail | 
|   | Diuca Reichenbach | diuca finch | 
|   | Dives Cassin | blackbird | 
|   | Dolichonyx Swainson | Bobolink | 
|   | Doliornis Taczanowski | cotinga | 
|   | Doricha Reichenbach | |
|   | Doryfera Gould | lancebill | 
|   | Drepanorhynchus Fischer & Reichenow | golden-winged sunbird | 
|   | Dreptes Illiger | giant sunbird | 
|   | Dromaius Vieillot | emu | 
|   | Dromas Paykull | crab-plover | 
|   | Dromococcyx Wied-Neuwied | cuckoos | 
|   | Drymodes Gould | |
|   | Drymophila Swainson | antbird | 
|   | Dryobates F. Boie | woodpecker | 
|   | Dryocopus F. Boie | woodpecker | 
|   | Dryolimnas Sharpe | rail | 
|   | Dubusia Bonaparte | mountain tanager | 
|   | Dumetella C.T. Wood | gray catbird | 
|   | Dumetia Blyth | babbler | 
|   | Eclectus Wagler | parrots | 
|   | Egretta T. Forster | Plumed Egrets | 
|   | Elanus Savigny | elanine kite | 
|   | Elaphrornis Legge | Sri Lanka bush warbler, Ceylon bush warbler, Palliser's warbler | 
|   | Electron Gistel | motmot | 
|   | Elminia Bonaparte | flycatcher | 
|   | Emarginata Shelley | chat | 
|   | Emberiza Linnaeus | bunting | 
|   | Emberizoides Temminck | grass finch | 
|   | Embernagra R. Lesson | finch | 
|   | Emblema Gould | |
|   | Eminia Hartlaub | grey-capped warbler | 
|   | Empidonax Cabanis | flycatcher | 
|   | Empidornis Rüppell | silverbird | 
|   | Enicognathus G.R. Gray | parakeet | 
|   | Enicurus Temminck | forktail | 
|   | Ensifera Lesson | sword-billed hummingbird | 
|   | Entomyzon Swainson | honeyeater | 
|   | Eolophus Bonaparte | Galah | 
|   | Eophona Gould | grosbeak | 
|   | Eopsaltria Swainson | yellow robins | 
|   | Ephippiorhynchus Bonaparte | stork | 
|   | Epimachus Cuvier | sicklebill | 
|   | Epthianura Gould | Australian chat | 
|   | Eremophila F. Boie | horned larks | 
|   | Eremopterix Kaup | sparrow-lark | 
|   | Eriocnemis Reichenbach | puffleg | 
|   | Erithacus Cuvier | European robin | 
|   | Erpornis Hodgson | erpornis | 
|   | Erythrogenys Baker | scimitar babblers | 
|   | Erythrogonys Gould | red-kneed dotterel | 
|   | Erythropitta Bonaparte | pitta | 
|   | Erythrotriorchis Sharpe | |
|   | Erythrura Swainson | Parrotfinches | 
|   | Esacus Lesson | Thick-knees | 
|   | Estrilda Swainson | |
|   | Eubucco Bonaparte | barbet | 
|   | Eudocimus Wagler | White Ibises | 
|   | Eudromias Brehm, CL | dotterel, Eurasian dotterel | 
|   | Eudynamys Vigors & Horsfield | typical koels | 
|   | Eudyptula Bonaparte | penguin | 
|   | Eugenes Gould | hummingbird | 
|   | Eulabeornis Gould | chestnut rail | 
|   | Eulampis F. Boie | carib | 
|   | Eulidia Mulsant | |
|   | Eulipoa Ogilvie-Grant | Moluccan megapode, Wallace's scrubfowl, Moluccan scrubfowl, painted megapode | 
|   | Eumyias Cabanis | blue flycatchers | 
|   | Euneornis Fitzinger | Orangequit | 
|   | Euodice Reichenbach | |
|   | Eupetes Temminck | rail-babbler, Malaysian rail-babbler | 
|   | Eupetomena Gould | hummingbird | 
|   | Euphagus Cassin | blackbird | 
|   | Eupherusa Gould | hummingbird, woodnymph | 
|   | Euphonia Desmarest | euphonia | 
|   | Euplectes Swainson | bishops, widowbirds | 
|   | Eupodotis Lesson | |
|   | Eupsittula Bonaparte | parakeet | 
|   | Euptilotis Gould | eared quetzal | 
|   | Eurocephalus A. Smith | white-crowned shrikes | 
|   | Eurylaimus Horsfield | broadbill | 
|   | Eurystomus Linnaeus | rollers | 
|   | Euschistospiza Wolters | |
|   | Eutoxeres Reichenbach | |
|   | Eutrichomyias Meise | cerulean flycatcher | 
|   | Falcipennis Elliot, DG | Siberian grouse | 
|   | Falco Linnaeus | Falcons | 
|   | Ficedula Brisson | flycatcher | 
|   | Florisuga Bonaparte | jacobins | 
|   | Formicarius Boddaert | antthrush | 
|   | Foudia Reichenbach | fody | 
|   | Francolinus Stephens | francolins | 
|   | Fratercula Brisson | Puffins | 
|   | Fregata Lacépède | Frigatebird | 
|   | Fregetta Bonaparte | storm petrel | 
|   | Fringilla Linnaeus | chaffinch | 
|   | Fulica Linnaeus | coot | 
|   | Fulmarus Stephens | Fulmar | 
|   | Fulvetta David & Oustalet | typical fulvettas | 
|   | Galerida Boie, F | lark | 
|   | Gallicolumba Gmelin | green pigeon | 
|   | Gallicrex Blyth | watercock | 
|   | Gallinago Brisson | Snipe | 
|   | Gallinula Brisson | Moorhens | 
|   | Gallirallus Lafresnaye | Weka | 
|   | Gallirex Lesson | |
|   | Galloperdix Blyth | Asian spurfowl | 
|   | Gallus Brisson | Junglefowl | 
|   | Gampsonyx Vigors | Pearl kite | 
|   | Gampsorhynchus Blyth | babbler | 
|   | Garrodia Forbes, WA | grey-backed storm petrel | 
|   | Garrulax Lesson | laughingthrush | 
|   | Garrulus Brisson | Old World jays, brown jays | 
|   | Gavia Forster | Loons, divers | 
|   | Gecinulus Blyth | woodpecker | 
|   | Gelochelidon C. L. Brehm | tern | 
|   | Geobiastes Sharpe | scaly ground roller | 
|   | Geococcyx Wagler | roadrunners, chaparral birds, chaparral cocks | 
|   | Geocolaptes Swainson | ground woodpecker | 
|   | Geoffroyus Bonaparte | |
|   | Geokichla S. Müller | thrush | 
|   | Geophaps G.R. Gray | pigeon | 
| Geospiza Gould | ||
|   | Geothlypis Cabanis | Mourning Warbler | 
|   | Geotrygon Gosse | quail-doves | 
|   | Geronticus Wagler | |
|   | Glareola Brisson | Pratincoles | 
|   | Glaucestrilda Roberts | |
|   | Glaucidium F. Boie | Pygmy owl | 
|   | Glaucis Boie, F | |
|   | Glossopsitta Bonaparte | musk lorikeet | 
|   | Gnorimopsar Richmond | chopi blackbird | 
|   | Goodfellowia Hartert | myna | 
|   | Gorsachius Bonaparte | zigzag heron | 
|   | Goura Stephens | crowned pigeon | 
|   | Gracula Linnaeus | hill myna | 
|   | Gracupica Lesson | |
|   | Grallaria Vieillot | antpitta | 
|   | Grallaricula P.L. Sclater | antpitta | 
|   | Grammatoptila Reichenbach | striated laughingthrush | 
|   | Granatellus Bonaparte | chat | 
|   | Granatina Sharpe | |
|   | Grandala Hodgson | grandala | 
|   | Graueria Hartert | Grauer's warbler | 
| Graydidascalus Bonaparte | parrot | |
|   | Grus Brisson | |
|   | Guaruba Lesson | golden parakeet | 
|   | Gubernatrix Lesson | yellow cardinal | 
|   | Guira Lesson | |
|   | Gulosus Montagu | European shag | 
|   | Guttera Wagler | guineafowl | 
|   | Gygis Wagler | noddies | 
|   | Gymnasio Bonaparte | Puerto Rican owl | 
|   | Gymnoderus E. Geoffroy Saint-Hilaire | Bare-necked fruitcrow | 
|   | Gymnogyps Lesson | |
|   | Gymnopithys Bonaparte | antbird | 
|   | Gymnorhina Gray, GR | Australian magpie | 
|   | Gymnorhinus Wied-Neuwied | pinyon jay | 
|   | Gymnoris Blyth | bush sparrow, petronia | 
|   | Gypaetus Storr | |
|   | Gypohierax Rüppell | palm-nut vulture | 
|   | Gyps Savigny | griffon vulture | 
|   | Gypsophila Oates | babbler | 
|   | Habia Blyth | tanager | 
|   | Habroptila Gray, GR | invisible rail, Wallace's rail, drummer rail | 
|   | Haematoderus Bonaparte | Crimson fruitcrow | 
|   | Haematopus Linnaeus | oystercatchers | 
|   | Haematortyx Sharpe | crimson-headed partridge | 
|   | Haemorhous Swainson | American rosefinch | 
|   | Halcyon Swainson | kingfisher | 
|   | Haliaeetus Savigny | sea eagle, fish eagle, erne, ern | 
|   | Haliastur Selby | |
|   | Hamirostra Brown | |
|   | Haplophaedia Simon | puffleg | 
|   | Harpactes Swainson | trogon | 
|   | Harpagus Vigors | |
|   | Harpia Vieillot | Harpy eagle | 
|   | Harpyopsis Salvadori | Papuan eagle | 
|   | Hedydipna Cabanis | sunbirds | 
| Heinrichia Stresemann | great shortwing | |
|   | Heleia Hartlaub | heleias | 
|   | Heliactin Boie | horned sungem | 
|   | Helicolestes Bangs & Penard | |
|   | Heliodoxa Gould | brilliant | 
|   | Heliomaster Bonaparte | starthroat | 
|   | Heliothryx F. Boie | fairy | 
|   | Helmitheros Rafinesque | Worm-eating Warbler | 
| Helopsaltes Alström, Cibois, Irestedt, Zuccon, Gelang, Fjeldså, Andersen, Moyle, Pasquet & Olsson | ||
|   | Hemicircus Swainson | woodpecker | 
|   | Hemiphaga Bonaparte | pigeon | 
|   | Hemiprocne Nitzsch | Treeswift, crested swift | 
|   | Hemipus Hodgson | flycatcher-shrike | 
| Hemitesia Chapin | ||
|   | Hemithraupis Cabanis | tanager | 
|   | Hemixos Blyth | bulbul | 
|   | Herpetotheres Vieillot | laughing falcon | 
|   | Hesperiphona Bonaparte | |
|   | Heteromunia Mathews | |
|   | Heteromyias Sharpe | |
|   | Heteronetta Salvadori | black-headed duck | 
|   | Heterophasia Blyth | sibia | 
|   | Heterospingus Ridgway | tanager | 
|   | Hieraaetus Kaup | eagle | 
|   | Hierococcyx Müller | hawk-cuckoo | 
|   | Himantopus Brisson | Stilt | 
|   | Himantornis Hartlaub | rail | 
|   | Hippolais von Baldenstein | warbler | 
|   | Hirundo Linnaeus | Barn Swallows | 
|   | Histrionicus Lesson | harlequin duck | 
|   | Histurgops Reichenow | rufous-tailed weaver | 
|   | Hoploxypterus Bonaparte | pied plover, pied lapwing | 
|   | Horizocerus Oberholser | |
|   | Horornis Hodgson | warbler | 
|   | Houbaropsis Sharpe | |
| Humblotia Humblotia Milne-Edwards & Oustalet, | Humblot's flycatcher, Grand Comore flycatcher | |
|   | Hydrobates F. Boie | petrel | 
|   | Hydrocoloeus Kaup | Little gull | 
|   | Hydrophasianus Wagler | pheasant-tailed jacana | 
|   | Hydroprogne Kaup | Caspian tern | 
|   | Hydropsalis Wagler | nightjar | 
|   | Hydrornis Blyth | pitta | 
|   | Hylocichla Baird | wood thrush | 
|   | Hylomanes Lichtenstein, MHC | tody motmot | 
|   | Hylonympha Gould | scissor-tailed hummingbird | 
|   | Hylopezus Ridgway | antpitta | 
|   | Hylophilus Temminck | greenlet | 
|   | Hymenops Lesson | Spectacled tyrant | 
|   | Hypargos Reichenbach | |
|   | Hypergerus Reichenbach | oriole warbler | 
|   | Hypocharmosyna Salvadori | lorikeet | 
|   | Hypocryptadius Hartert | cinnamon ibon | 
|   | Hypotaenidia Reichenbach | rail, woodhen | 
|   | Hypothymis F. Boie | monarch | 
|   | Hypsipetes Vigors | bulbul | 
|   | Ianthocincla Gould | laughingthrush | 
|   | Ibidorhyncha Vigors | |
|   | Ibycter Vieillot | red-throated caracara | 
|   | Ichthyaetus Kaup | gull | 
|   | Icteria Vieillot | yellow-breasted chat | 
|   | Icterus Brisson | oriole | 
|   | Icthyophaga Lesson | |
|   | Ictinaetus Blyth | Black eagle | 
|   | Ictinia Vieillot | |
|   | Iduna Keyserling & J. H. Blasius | |
|   | Ilicura Reichenbach | pin-tailed manakin | 
|   | Incaspiza Ridgway | Inca finch | 
|   | Indicator Stephens, | honeyguide | 
|   | Irania Filippi | white-throated robin | 
|   | Irediparra Mathews | comb-crested jacana | 
|   | Irena Horsfield | fairy-bluebird | 
|   | Iridophanes Ridgway | Golden-collared honeycreeper | 
|   | Iridosornis Lesson | tanager | 
|   | Ispidina Kaup | kingfisher | 
|   | Ithaginis Wagler | blood pheasant, blood partridge | 
|   | Ixobrychus Billberg | bitterns | 
|   | Ixoreus Bonaparte | varied thrush | 
|   | Ixos Temminck | bulbul | 
|   | Ixothraupis Bonaparte | tanager | 
|   | Jabiru Hellmayr | jabiru | 
|   | Jacana Brisson | jacanas | 
|   | Jubula Bates | maned owl | 
|   | Junco Wagler | sparrow | 
|   | Jynx Linnaeus | woodpecker | 
|   | Kaupifalco Bonaparte | lizard buzzard, lizard hawk | 
|   | Kenopia G.R. Gray | striped wren-babbler | 
|   | Ketupa Lesson | eagle-owl | 
|   | Klais Reichenbach | violet-headed hummingbird | 
|   | Kurochkinegramma Kashain | purple-naped sunbird | 
|   | Lacedo Reichenbach | banded kingfisher | 
|   | Lafresnaya Bonaparte | Mountain velvetbreast | 
|   | Lagonosticta Cabanis | firefinch | 
|   | Lagopus Brisson | ptarmigans | 
|   | Lampornis Swainson | mountaingem | 
|   | Lamprolaima Reichenbach | garnet-throated hummingbird | 
|   | Lamprolia Finsch | silktail | 
|   | Lamprotornis emminck | |
|   | Laniarius Vieillot | boubou, gonolek | 
| Laniellus Swainson | crocias | |
|   | Lanius Linnaeus | shrikes | 
|   | Larosterna Blyth | Inca tern | 
|   | Larus Linnaeus | gull | 
|   | Larvivora Hodgson | East and South-East Asian robins | 
|   | Laterallus Gray, G.R. | crake | 
|   | Lathamus Lesson | swift parrot | 
|   | Leiopicus Bonaparte | yellow-crowned woodpecker | 
|   | Leioptila Blyth | rufous-backed sibia | 
|   | Leiothlypis Sangster | warbler | 
|   | Leiothrix Swainson | |
|   | Leipoa Gould | malleefowl | 
|   | Leistes Vigors | meadowlark | 
|   | Leonardina Mearns | Bagobo babbler, Bagobo robin | 
|   | Lepidopygia Reichenbach | |
|   | Lepidothrix Bonaparte | manakin | 
|   | Leptocoma Cabanis | sunbirds | 
|   | Leptopoecile Severtzov | tit-warblers | 
|   | Leptoptilos Lesson, RP | stork, adjutant | 
|   | Leptosittaca Berlepsch & Stolzmann | Golden-plumed parakeet | 
|   | Leptotila Swainson | green pigeon | 
| Leptotrygon Banks et al. | olive-backed quail-dove | |
|   | Lerwa Hodgson | snow partridge | 
|   | Lessonia Swainson | negrito | 
|   | Leucippus Bonaparte | buffy hummingbird | 
|   | Leucocarbo Bonaparte | cormorant, shag | 
|   | Leucochloris Reichenbach | white-throated hummingbird | 
|   | Leucogeranus Bonaparte | Siberian crane | 
|   | Leuconotopicus Malherbe | woodpecker | 
|   | Leucopeza Sclater | Semper's warbler | 
|   | Leucophaeus Bruch | gull | 
|   | Leucopsar Stresemann | Bali myna, Rothschild's mynah, Bali starling, Bali mynah | 
| Leucoptilon Sangster et al. | white-tailed flycatcher | |
|   | Leucosticte Swainson | mountain finch | 
|   | Lewinia Gray, GR | rail | 
|   | Limnodromus Wied-Neuwied | dowitcher | 
|   | Limnothlypis Stone | Swainson's Warbler | 
|   | Limosa Brisson | Godwit | 
|   | Linaria Bechstein | twite, linnet | 
|   | Linurgus Reichenbach | oriole finch | 
|   | Liocichla Swinhoe | liocichla | 
|   | Lioparus Oates | golden-breasted fulvetta | 
|   | Lipaugus F. Boie | piha, cotinga | 
|   | Lissotis Reichenbach | |
|   | Locustella Kaup | bush warbler | 
|   | Loddigesia Bonaparte | Marvelous Spatuletail | 
|   | Lonchura Sykes | Munias, mannikins | 
|   | Lophaetus Kaup | |
|   | Lophoceros Hemprich & Ehrenberg | hornbill | 
|   | Lophodytes Reichenbach | hooded merganser | 
|   | Lophoictinia Kaup | |
|   | Lophonetta Riley | crested duck, South American crested duck | 
|   | Lophophanes Kaup | |
|   | Lophophorus Temminck | monal | 
|   | Lophorina Vieillot | riflebird | 
|   | Lophornis Lesson | |
|   | Lophospingus Cabanis | finch | 
|   | Lophostrix Lesson | crested owl | 
|   | Lophotibis Reichenbach | |
|   | Lophotis Reichenbach | |
|   | Lophotriorchis Sharpe | Rufous-bellied eagle | 
|   | Lophura Fleming | Gallopheasant | 
|   | Loriculus Blyth | |
|   | Loxia L. | Crossbill | 
|   | Loxigilla R. Lesson | bullfinch | 
| Loxipasser Bryant | yellow-shouldered grassquit | |
|   | Lurocalis Cassin | nighthawk | 
|   | Luscinia T. Forster | nightingales and relatives, Rubythroats | 
|   | Lybius Hermann | barbet | 
|   | Lymnocryptes F. Boie | jack snipe | 
|   | Lyncornis Gould | eared nightjar | 
|   | Lyrurus Swainson | black grouse | 
|   | Machaeropterus Bonaparte | manakin | 
|   | Macheiramphus Bonaparte | Bat hawk | 
|   | Machlolophus Cabanis | |
|   | Macrocephalon Müller, S | maleo | 
|   | Macronus Jardine & Selby | tit-babbler | 
|   | Macronyx Swainson | longclaw | 
|   | Macropygia Swainson | typical cuckoo-dove | 
|   | Malacocincla Blyth | babbler | 
|   | Malcorus A. Smith | rufous-eared warbler | 
|  | Malia Schlegel | malia | 
|   | Malimbus Vieillot | malimbes | 
|   | Malurus Vieillot | fairywren | 
|   | Manacus Brisson | manakin | 
|   | Mandingoa Hartert | |
|   | Manorina Vieillot | miner | 
|   | Mareca Stephens | wigeon | 
|   | Margarobyas Olson & Suárez | bare-legged owl | 
|   | Margaroperdix Reichenbach | Madagascar partridge | 
|   | Margarops P.L. Sclater | pearly-eyed thrasher | 
|   | Marmaronetta Reichenbach | marbled duck, marbled teal | 
|   | Masius Bonaparte | Golden-winged manakin | 
| Mayrimunia Wolters | mannikin | |
|   | Megaceryle Kaup | kingfisher | 
|   | Megacrex D'Albertis & Salvadori | New Guinea flightless rail, Papuan flightless rail | 
|   | Megadyptes Milne-Edwards | penguin | 
|   | Megalurus Horsfield | striated grassbird | 
|   | Megarynchus Thunberg | boat-billed flycatcher | 
|   | Megascops Kaup | screech owl | 
|   | Megatriorchis Salvadori & D'Albertis | Doria's goshawk, Doria's hawk | 
|   | Meiglyptes Swainson | woodpecker | 
|   | Melaenornis G.R. Gray | flycatcher | 
|   | Melanerpes Swainson | woodpecker | 
|   | Melaniparus Bonaparte | |
|   | Melanitta F. Boie | scoters | 
|   | Melanochlora Lesson | |
|   | Melanocichla Sharpe | laughingthrush | 
|   | Melanocorypha F. Boie | |
|   | Melanodryas Gould | |
| Melanoperdix Jerdon | black partridge | |
|   | Melanoptila P.L. Sclater | black catbird | 
|   | Melanospiza Ridgway | |
|   | Melanotis Bonaparte | mockingbird | 
|   | Meleagris Linnaeus | turkeys | 
|   | Melidectes P.L. Sclater | melidectes | 
|   | Melidora Lesson | kingfisher | 
|   | Melierax G.R. Gray | goshawk | 
|   | Melithreptus Vieillot | honeyeater | 
|   | Mellisuga Brisson | |
|   | Melloria Mathews | black butcherbird | 
|   | Melopsittacus Gould | budgerigar, common parakeet, shell parakeet, budgie | 
|   | Melopyrrha Bonaparte | bullfinch | 
|   | Melospiza Baird | sparrow | 
|   | Melozone Reichenbach | towhee, ground sparrow | 
|   | Menelikornis Boetticher | turaco | 
| Mentocrex Peters, JL | forest rail | |
|   | Menura Latham | lyrebird | 
|   | Mergellus Selby | smew | 
|   | Mergus Linnaeus | typical merganser | 
|   | Meropogon Bonaparte | purple-bearded bee-eater, Celebes bee-eater | 
|   | Merops Linnaeus | bee-eaters | 
|   | Mesembrinibis J. L. Peters | |
|   | Metopidius Wagler | bronze-winged jacana | 
|   | Micrastur G.R. Gray | Forest falcon | 
|   | Micrathene Coues | elf owl | 
|   | Microbates P.L. Sclater & Salvin | gnatwren | 
|   | Microcarbo Bonaparte | cormorant | 
|  | Microchera Gould | streamertails | 
| Microdynamis Salvadori | dwarf koel | |
|   | Microeca Gould | flyrobins | 
|   | Microhierax Sharpe | typical falconets | 
|   | Micronisus G.R. Gray | gabar goshawk | 
|   | Microparra Cabanis | lesser jacana | 
| Micropsitta Lesson | Pygmy parrots | |
|   | Micropternus Blyth | rufous woodpecker | 
|   | Micropygia Bonaparte | ocellated crake | 
|   | Microspizias Sangster, Kirwan, Fuchs, Dickinson, Elliott & Gregory, S | |
|   | Microstilbon Todd | |
|   | Milvago Spix | caracara | 
|   | Milvus Lacépède | |
|   | Mimus F. Boie | mockingbird | 
|   | Minla Hodgson | red-tailed minla | 
|   | Mino Lesson | myna | 
|   | Mirafra Horsfield | lark, bush lark | 
|   | Mitrephanes Coues | Northern tufted flycatcher | 
|   | Mitu Lesson | curassow | 
|   | Mixornis Blyth | babbler | 
|   | Mniotilta Vieillot | Black-and-white Warbler | 
|   | Molothrus Swainson | grackle | 
|   | Momotidae P.L. Sclater | turquoise-browed motmot | 
|   | Momotus Brisson | motmot | 
|   | Monachella Salvadori | |
|   | Monarcha Vigors & Horsfield | monarch | 
|   | Montecincla Robin et al. | laughingthrush | 
|   | Monticola F. Boie | rock thrush | 
|   | Montifringilla Brehm CL | snowfinch | 
|   | Morococcyx .L. Sclater | lesser ground cuckoo | 
|   | Morphnus Dumont | Crested eagle | 
|   | Morus Vieillot | Gannets | 
|   | Motacilla Linnaeus | Wagtail | 
|   | Mulleripicus Bonaparte | woodpecker | 
|   | Muscicapa Brisson | flycatcher, alseonax | 
|   | Mustelirallus Bonaparte | crake | 
|   | Myadestes Swainson | rufous thrushe | 
|   | Mycerobas Cabanis | grosbeak | 
|   | Mycteria Linnaeus | stork | 
|   | Myiarchus Cabanis | flycatcher | 
|   | Myioborus Baird | Painted Redstart | 
|   | Myiomela G.R. Gray | robin, blue robin | 
|   | Myiopsitta Bonaparte | parakeet | 
| Myiothlypis Cabanis | ||
|   | Myiozetetes P.L. Sclater | flycatcher | 
|   | Myophonus Temminck | whistling thrush | 
|   | Myrmecocichla Cabanis | chat | 
|   | Myrmia Mulsant | |
|   | Myrmothera Vieillot | antpitta | 
|   | Myrtis Reichenbach | purple-collared woodstar | 
|   | Myzomela Vigors & Horsfield | myzomela | 
|   | Myzornis Blyth | |
|   | Namibornis Bradfield | Herero chat | 
|   | Nannopterum Sharpe | cormorant | 
|   | Necrosyrtes Gloger | Hooded vulture | 
|   | Nectarinia Illiger | sunbirds | 
|   | Nemosia Vieillot | tanager | 
|   | Neochmia G.R. Gray | |
|   | Neocossyphus Fischer & Reichenow | ant thrush | 
|   | Neolestes Cabanis | black-collared bulbul, black-collared greenbul | 
|   | Neomorphus Gloger | ground cuckoo | 
|   | Neophema Salvadori | grass parrot | 
|   | Neophron Savigny | Egyptian vulture, white scavenger vulture, pharaoh's chicken | 
|   | Neopsephotus Mathews | Bourke's parrot | 
|  | Neothraupis Hellmayr | Shrike-like tanager | 
|   | Neotis Sharpe | |
| Nesasio J. L. Peters | ||
|   | Nesillas Oberholser | |
|   | Nesocharis Alexander | oliveback | 
|   | Nesoctites Hargitt | woodpecker | 
| Nesofregetta Mathews | Polynesian storm petrel | |
|   | Nesophlox Ridgway | |
|   | Nesopsar P.L. Sclater | Jamaican blackbird | 
|   | Nestor Lesson | kea, kākā | 
|   | Netta Kaup | pochard | 
|   | Nettapus Brandt | pygmy geese | 
|   | Nigrita Strickland | nigritas, negrofinches | 
|   | Niltava Hodgson | nitava | 
|   | Ninox Hodgson | hawk-owl, boobook | 
|   | Nipponia Reichenbach | |
|   | Nisaetus Hodgson | hawk-eagle | 
|   | Nok Fuchs et al. | bare-faced bulbul | 
|   | Nomonyx Ridgway | masked duck | 
|   | Northiella Mathews | bluebonnet | 
| Nothocrax Burmeister | nocturnal curassow | |
|   | Nucifraga Brisson | Nutcrackers | 
|   | Numenius Brisson | curlew | 
|   | Numida Linnaeus | helmeted guineafowl | 
|   | Nyctanassa Stejneger | night herons | 
|   | Nyctibius Vieillot | potoo | 
|   | Nycticorax T. Forster | night herons | 
|   | Nycticryphes Wetmore & Peters | |
|   | Nyctiprogne Bonaparte | nighthawk | 
|   | Nyctyornis Jardine & Selby | bee-eaters | 
|   | Nymphicus Wagler | cockatiel, weero, weiro, quarrion | 
|   | Oceanites Keyserling & Blasius | storm petrel | 
|   | Ocreatus Gould | whitetip | 
|   | Ocyceros Hume | grey hornbill | 
|   | Ocyphaps G.R. Gray | crested pigeon | 
|   | Odontophorus Vieillot | wood quails | 
|   | Oena Swainson | Namaqua dove | 
|   | Oenanthe Vieillot | wheatear | 
|   | Ognorhynchus Bonaparte | yellow-eared parrot | 
|   | Onychoprion Wagler | tern | 
|   | Onychorhynchus Fischer von Waldheim | Royal flycatcher | 
|   | Onychostruthus Richmond | white-rumped snowfinch | 
| Ophrysia Bonaparte | Himalayan quail, mountain quail | |
|   | Opisthocomus Illiger | hoatzin, hoactzin | 
|   | Oporornis Baird | Mourning Warbler | 
|   | Orchesticus Cabanis | tanager, grosbeak | 
|   | Oreoica Gould | crested bellbird | 
|   | Oreophasis G.R. Gray | horned guan | 
|   | Oreopholus Jardine & Selby | dotterel | 
|   | Oreopsittacus Salvadori | Plum-faced lorikeet | 
|   | Oreortyx (Douglas) Baird | Mountain quail | 
|   | Oreoscoptes Baird | sage thrasher | 
|   | Oreostruthus De Vis | |
|   | Oreothlypis Ridgway | warbler | 
|   | Oriolus Linnaeus | Orioles | 
|   | Ornorectes Iredale | |
|   | Orthopsittaca Ridgway | Red-bellied macaw | 
|   | Orthorhyncus Lacépède | Antillean crested hummingbird | 
|   | Orthotomus Horsfield | tailorbird | 
|   | Ortygornis Reichenbach | francolins | 
|   | Ortygospiza Sundevall | |
|   | Ortyxelos Vieillot | quail-plover, lark buttonquail, lark-plover | 
|   | Otis Linnaeus | |
|   | Otus Pennant | Scops-Owl | 
|   | Oxypogon Gould | bearded helmetcrest | 
|   | Oxyura Bonaparte | stiff-tailed duck | 
|   | Pachycoccyx Cabanis | thick-billed cuckoo | 
|   | Pachysylvia Bonaparte | greenlet | 
|   | Padda Reichenbach | |
|   | Pagophila Kaup | Ivory gull | 
|   | Pampa Reichenbach | sabrewing | 
|   | Pandion Savigny | osprey | 
|   | Panterpe Cabanis & Heine | Fiery-throated hummingbird | 
|   | Panurus Koch | bearded reedling, bearded tit, bearded parrotbill | 
|   | Papasula Olson & Warheit | Abbott's booby | 
|   | Parabuteo Ridgway | hawk | 
|   | Paradisaea Linnaeus | bird-of-paradise | 
|   | Paradisornis Finsch & Meyer, A.B. | blue bird-of-paradise | 
|   | Paradoxornis Gould | parrotbill | 
|   | Paragallinula Sangster, Garcia-R & Trewick | lesser moorhen | 
|   | Parayuhina Cai T, Cibois, Alström, Moyle, Kennedy, JD, Shao S, Zhang R, Irestedt, Ericson, Gelang, Qu Y, Lei W & Fjeldså | white-collared yuhina | 
|   | Pardaliparus Sélys Longchamps | |
|   | Pardalotus Vieillot | |
| Pardipicus Bonaparte | woodpecker | |
|   | Pardirallus Bonaparte | rail | 
|   | Parkerthraustes Remsen | |
|   | Parkesia Sangster | waterthrush | 
|   | Parmoptila Cassin | antpeckers | 
|   | Paroaria Bonaparte | |
|   | Parotia Vieillot | parotia | 
|   | Parus Linnaeus | Titmice, Tits | 
|   | Parvipsitta Mathews | lorikeet | 
|   | Passer Brisson | true sparrows | 
|   | Passerculus Bonaparte | sparrow | 
|   | Passerella Swainson | fox sparrow | 
|   | Passerina Vieillot | bunting, grosbeak, North American bunting | 
|   | Pastor Temminck | |
|   | Patagioenas Reichenbach | pigeon | 
|   | Patagona G.R. Gray | |
|   | Pauxi Temminck | helmeted curassow | 
|   | Pavo Linnaeus | peafowls, peacocks | 
|   | Pelagodroma Reichenbach | white-faced storm petrel | 
|   | Pelargopsis Gloger | kingfisher | 
|   | Pelecanus Linnaeus | Pelicans | 
| Peliperdix Bonaparte | Latham's francolin | |
|   | Pellorneum Swainson | babbler | 
|   | Peltohyas Sharpe | inland dotterel | 
|   | Peltops Wagler | peltops | 
|   | Penelope Merrem | guans | 
|   | Penelopina L. Reichenbach | Highland guan | 
|   | Peneothello Mathews | |
|   | Perdicula Hodgson | bush quails | 
|   | Perdix Brisson | partridges | 
|   | Pericrocotus Boie | minivets | 
|   | Periparus de Sélys-Longchamps | tits | 
|   | Periporphyrus Reichenbach | grosbeak | 
|   | Perisoreus Bonaparte | jays | 
|   | Perissocephalus Oberholser | Capuchinbird | 
|   | Pernis Cuvier | honey buzzard | 
|   | Petrochelidon Cabanis | swallow | 
|   | Petroica Swainson | |
|   | Petronia Kaup | rock sparrow, rock petronia | 
|   | Peucaea Audubon | sparrow | 
|   | Pezoporus Illiger | grass parrot | 
|   | Phacellodomus Reichenbach | thornbird | 
|   | Phaenicophaeus Stephens | yellowbills | 
|   | Phaeochroa Gould | scaly-breasted hummingbird, scaly-breasted sabrewing | 
|   | Phaeoptila Gould | dusky hummingbird | 
|   | Phaethon Linnaeus | Tropicbird | 
|   | Phaethornis Swainson | |
|   | Phaetusa Wagler, | large-billed tern | 
|   | Phainopepla S.F. Baird | Phainopepla | 
|   | Phainoptila Salvin | Black-and-yellow phainoptila | 
|   | Phalacrocorax Brisson | Old World cormorant | 
|   | Phalaropus Brisson | phalarope | 
|   | Phalcoboenus d'Orbigny | caracara | 
|   | Phapitreron Bonaparte | Brown dove | 
|   | Phaps Selby | bronzewing | 
|   | Pharomachrus de la Llave | quetzal | 
|   | Phasianus Linnaeus | pheasant | 
|   | Phegornis Gray, GR | diademed sandpiper-plove , diademed plover | 
|   | Pheucticus Reichenbach | grosbeaks | 
|   | Phibalura Vieillot | swallow-tailed cotinga | 
|   | Philemon Vieillot, | friarbirds, leatherhead | 
|   | Philetairus A. Smith | Sociable weaver | 
|   | Philodice Mulsant, Verreaux, J & Verreaux, É | |
|   | Philomachus Merrem | Ruff | 
| Philortyx Gould | Banded quail | |
|   | Phimosus Wagler | |
|   | Phodilus Geoffroy Saint-Hilaire | bay owl | 
|   | Phoebastria Reichenbach | North Pacific albatrosse | 
|   | Phoebetria Reichenbach | sooty albatrosses | 
|   | Phoenicircus Swainson | cotinga | 
|   | Phoeniconaias G. R. Gray | |
|   | Phoenicoparrus Bonaparte | |
|   | Phoenicopterus Linnaeus | |
|   | Phoeniculus Jarocki | wood hoopoe | 
|   | Phoenicurus T. Forster | redstart | 
|   | Phonipara Bonaparte | Cuban grassquit | 
|   | Phylidonyris | honeyeater | 
|   | Phyllaemulor Costa, Whitney, Braun, White, Silveira & Cleere | potoo | 
|   | Phyllergates Sharpe | tailorbirds | 
|   | Phylloscopus F. Boie | Leaf warbler | 
|   | Phytotoma Molina | plantcutter | 
|   | Piaya Lesson | cuckoos | 
|   | Pica Brisson | magpies | 
|   | Picoides Lacépède | three-toed woodpecker | 
|   | Piculus Spix | woodpecker | 
|   | Picumnus Temminck | piculet | 
|   | Picus Linnaeus | woodpecker | 
|   | Pilherodius Reichenbach | capped heron | 
|   | Pinarochroa Sundevall | moorland chat | 
|   | Pinaroloxias Sharpe | Cocos finch, Cocos Island finch | 
| Pinguinus Bonnaterre | great auk | |
|   | Pinicola Vieillot | pine grosbeak | 
| Pionopsitta Bonaparte | parrot | |
| Pionus Wagler | parrot | |
|   | Pipile Bonaparte | piping guans | 
|   | Pipilo Vieillot | towhee | 
|   | Pipra Linnaeus | manakin | 
|   | Pipraeidea Swainson | Fawn-breasted tanager | 
|   | Pipreola Swainson | fruiteater | 
|   | Piprites Cabanis | piprite | 
|   | Piranga Vieillot | tanager | 
|   | Pitangus Swainson | Great kiskadee | 
|   | Pithecophaga Ogilvie-Grant | Philippine eagle | 
|   | Pitohui Lesson | pitohui | 
|   | Pitta Vieillot | pitta | 
|   | Platalea Linnaeus | Spoonbill | 
|   | Platycercus Vigors | rosella | 
|   | Platylophus Swainson | crested jayshrike, crested shrikejay | 
|   | Platysmurus Reichenbach | black magpies | 
|   | Platyspiza Ridgway | vegetarian finch | 
|   | Plectrophenax Stejneger | bunting | 
|   | Plectropterus Stephens | spur-winged goose | 
|   | Plegadis Kaup | Glossy Ibises | 
| Plesiodryas Mathews | black-throated robin | |
|   | Plocepasser A. Smith | sparrow-weavers | 
|   | Ploceus Cuvier | weavers | 
|   | Pnoepyga Hodgson | cupwings, wren-babblers | 
|   | Podargus Vieillot | frogmouth | 
|   | Podilymbus Lesson | |
|   | Podoces Fischer von Waldheim | ground jays | 
|   | Poecile Kaup | |
|   | Poecilodryas Gould | |
|   | Poecilostreptus Burns, KJ, Unitt & Mason, NA | tanager | 
|   | Poecilotriccus Berlepsch | tody-flycatcher | 
|   | Poephila Gould | |
|   | Pogonornis Billberg | barbet | 
|   | Poicephalus Swainson | parrot | 
|   | Poikilocarbo Boetticher | red-legged cormorant | 
|   | Polemaetus Heine | Martial eagle | 
|   | Polihierax Smith, A | pygmy falcon | 
|   | Poliocephalus Selby | |
|   | Poliolimnas Sharpe | white-browed crake | 
|   | Polioptila Sclater, PL | gnatcatcher | 
|   | Polyboroides A. Smith | |
|   | Polyplectron Temminck | peacock-pheasants | 
|   | Polytelis Wagler | long-tailed parrot | 
|   | Polytmus Brisson | goldenthroat | 
|   | Pomatorhinus Horsfield | scimitar babbler | 
|   | Pooecetes Baird, SF | vesper sparrow | 
|   | Porphyrio Brisson | swamphen, swamp hen | 
|   | Porphyrolaema Bonaparte | Purple-throated cotinga | 
|   | Porphyrospiza P. L. Sclater & Salvin | |
|   | Porzana Vieillot | crake, sora | 
|   | Prinia Horsfield | prinia | 
|   | Prioniturus Wagler | Racket-tail | 
|   | Prionochilus Strickland | |
|   | Prionops Vieillot | helmetshrike | 
|   | Priotelus G.R. Gray | trogon | 
|   | Probosciger Kuhl | palm cockatoo | 
|   | Procarduelis Blyth | dark-breasted rosefinch | 
|   | Procnias Illiger | bellbird | 
|   | Progne F. Boie | martin | 
|   | Prosobonia Bonaparte | Polynesian sandpiper | 
|   | Prosthemadera Gray, GR | tūī | 
|   | Protonotaria Baird | Prothonotary Warbler | 
|   | Prunella Vieillot | ITIS | 
|   | Psaltriparus Bonaparte | American bushtit | 
|   | Psarisomus Swainson | long-tailed broadbill | 
|   | Psarocolius Wagler | oropendolas | 
|   | Psephotellus Mathews | parrot | 
|   | Psephotus Gould | red-rumped parrot | 
|   | Pseudibis Hodgson | White Ibises | 
|   | Pseudobulweria Mathews | petrel | 
|   | Pseudonigrita Reichenow | social weaver | 
|   | Pseudopipra Kirwan et al | White-crowned manakin | 
|   | Pseudopodoces Zarudny & Loudon | |
|   | Pseudosaltator K.J. Burns, Unitt & N.A. Mason | Rufous-bellied mountain tanager | 
|   | Psilopogon Müller, S. | barbet | 
|   | Psilorhinus Rüppell | Brown jay | 
|   | Psiloscops Coues | flammulated owl | 
| Psittacara Vigors | parrot | |
|   | Psittacula Cuvier | Afro-Asian ring-necked parrots | 
|   | Psittacus Linnaeus | parrot | 
|   | Psittinus Blyth | |
|   | Psittiparus Hellmayr | parrotbill | 
|   | Psittrichas Lesson | Pesquet's parrot, Dracula parrot, vulturine parrot | 
|   | Pteridophora A.B. Meyer | King of Saxony bird-of-paradise | 
|   | Pternistis Wagler | spurfowl, francolin | 
|   | Pterocles Temminck | |
|   | Pterodroma Bonaparte | gadfly petrel | 
|   | Pteroglossus Illiger | aracari, araçari | 
|   | Pterophanes Gould, | great sapphirewing | 
|   | Pteroptochos Kittlitz | huet-huet, turca | 
|   | Pterorhinus Swinhoe | laughingthrush, babax | 
|   | Pteruthius Swainson | shrike-babbler | 
|   | Ptilinopus Swainson | fruit dove, imperial pigeon | 
|   | Ptiliogonys Swainson | silky-flycatcher | 
|   | Ptilocichla Sharpe | wren-babbler | 
|   | Ptilopachus Swainson | |
|   | Ptilopsis Kaup | white-faced owl | 
|   | Ptiloris Swainson | riflebird | 
|   | Ptilostomus Swainson | Piapiac | 
|   | Ptilotula Mathews | honeyeater | 
|   | Ptiloxena d'Orbigny | Cuban blackbird | 
|   | Ptychoramphus Brandt, JF | Cassin's auklet | 
|   | Ptyonoprogne Reichenbach | crag martins | 
|   | Pucrasia G.R. Gray | koklass pheasant | 
|   | Puffinus Brisson | shearwater | 
|   | Pulsatrix Kaup | spectacled owl | 
|   | Purpureicephalus Bonaparte | red-capped parrot | 
|   | Pycnonotus F. Boie | bulbul | 
|   | Pygoscelis Wagler | penguin | 
|   | Pyrenestes Swainson | seedcrackers | 
|   | Pyrgilauda Bonaparte | snowfinch | 
|   | Pyrilia Bonaparte | parrot | 
|   | Pyrocephalus Gould | flycatcher | 
|   | Pyroderus G.R. Gray | Red-ruffed fruitcrow | 
|   | Pyrrhocorax Tunstall | Choughs | 
|   | Pyrrhoplectes Hodgson | golden-naped finch | 
|   | Pyrrhula Brisson | Eurasian Bullfinches | 
|   | Pytilia Swainson | pytilia | 
|   | Quelea Reichenbach | queleas | 
|   | Querula Vieillot | Purple-throated fruitcrow | 
|   | Quiscalus Vieillot | grackle | 
| Rallicula Schlegel | forest rail | |
|   | Rallina G.R. Gray | crake | 
|   | Rallus Linnaeus | rail | 
|   | Ramosomyia M.D. Bruce & F.G. Stiles | hummingbird | 
|   | Ramphastos Linnaeus | toucans | 
|   | Ramphocaenus Vieillot | gnatwren | 
|   | Ramphocelus Desmarest | tanager | 
|   | Ramphocinclus Lafresnaye | white-breasted thrasher | 
|   | Ramphodon Lesson | |
|   | Rauenia Wolters | Blue-and-yellow tanager | 
|   | Recurvirostra Linnaeus | avocet | 
|   | Regulus Cuvier | |
|   | Reinwardtipicus Bonaparte | orange-backed woodpecker | 
|   | Remiz Jarocki | WIKI | 
|   | Rhamphococcyx Cabanis & Heine | yellow-billed malkoha | 
|   | Rhegmatorhina Ridgway | antbird | 
|   | Rheinardia Maingonnat | Crested arguses | 
|   | Rhinoplax Gloger | helmeted hornbill | 
|   | Rhinopomastus Jardine | Scimitarbill | 
|   | Rhinoptilus Strickland | courser | 
|   | Rhinortha Raffles | Raffles's malkoha | 
|   | Rhipidura Vigors & Horsfield | Fantail | 
| Rhodonessa Reichenbach | pink-headed duck | |
|   | Rhodopechys Cabanis | crimson-winged finch | 
|   | Rhodopis Reichenbach | |
|   | Rhodospiza Sharpe | desert finch | 
|   | Rhodostethia MacGillivray | Ross's gull | 
|   | Rhodothraupis Ridgway | grosbeak | 
|   | Rhopospina Cabanis | sierra finch | 
|   | Rhyacornis Blanford | redstart | 
|   | Rhynchophanes Baird | thick-billed longspur, McCown's longspur | 
|   | Rhynchortyx Ogilvie-Grant | tawny-faced quail | 
|   | Rhynchostruthus P.L. Sclater & Hartlaub | golden-winged grosbeak | 
|   | Rhynochetos Verreaux & Des Murs | kagu | 
|   | Rhyticeros Reichenbach | hornbill | 
| Rigidipenna Cleere et al | frogmouth | |
|   | Riparia Forster, T | |
|   | Rissa Stephens | kittiwake | 
| Robsonius Collar | ground warbler | |
|   | Rollandia Bonaparte | |
|   | Rollulus Bonnaterre | crested partridge | 
|   | Rostratula Vieillot | |
|   | Rostrhamus Lesson | |
|   | Rougetius Bonaparte | Rouget's rail | 
|   | Rubigula Blyth | bulbul | 
|   | Rufirallus Bonaparte | crake | 
|   | Rukia | white-eyes | 
|   | Rupicola Brisson | cock-of-the-rock | 
|   | Rynchops Linnaeus | skimmer, scissorbill | 
|   | Sagittarius Hermann | secretarybird | 
|   | Sakesphorus Chubb | antshrike | 
|   | Salpinctes Cabanis | rock wren | 
|   | Salpornis G.R. Gray | spotted creeper | 
|   | Saltator Vieillot | saltator | 
|   | Saltatricula Burmeister | |
|   | Sappho Reichenbach | Andean emerald hummingbird | 
|   | Sarcogyps Lesson | Red-headed vulture | 
|   | Sarcophanops Gould | broadbill | 
|   | Sarcops Walden | coleto | 
|   | Sarcoramphus Duméril | king vulture | 
|   | Sarkidiornis Eyton | duck | 
| Saroglossa Hodgson | spot-winged starling | |
|   | Sarothrura Heine | flufftail | 
|   | Sasia Hodgson | piculet | 
|   | Saucerottia Bonaparte | hummingbird | 
|   | Saxicola Bechstein | stonechat, chat | 
|   | Sayornis Bonaparte | phoebe | 
|   | Schistes Gould | daggerbill | 
|   | Schistochlamys Reichenbach | tanager | 
|   | Schoeniparus Hume | fulvetta | 
|   | Scleroptila Blyth | francolins | 
|   | Scolopax Linnaeus | woodcock | 
|   | Scopus Brisson | hamerkop | 
|   | Scotocerca Sundevall | streaked scrub warbler | 
|   | Scotopelia Bonaparte | Fishing owl | 
|   | Scythrops Latham | channel-billed cuckoo | 
|   | Seiurus Swainson | Ovenbird | 
|   | Selasphorus Swainson | |
|   | Selenidera Gould | toucanet | 
|   | Seleucidis Lesson, RP | twelve-wired bird-of-paradise | 
|   | Semioptera Gray | standardwing bird-of-paradise | 
|   | Sephanoides G.R. Gray | firecrown | 
|   | Sericossypha Lesson | White-capped tanager | 
|   | Sericulus Swainson | bowerbird | 
|   | Serilophus Swainson | broadbill | 
|   | Serinus Koch | serin | 
|   | Setophaga Swainson | Redstart , warbler | 
|   | Sholicola Robin et al | sholicola, flycatcher | 
|   | Sialia Swainson | Bluebirds | 
|   | Sibirionetta Boetticher | Baikal teal, bimaculate duck, squawk duck | 
|   | Sicalis F. Boie | finch | 
|   | Sigelus Cabanis | fiscal flycatcher | 
|   | Sinosuthora Penhallurick & Robson | parrotbill | 
|   | Sipodotus Mathews | Wallace's fairywren | 
|   | Sitta Linnaeus | Nuthatch | 
|   | Sittiparus Hellmayr | Parrotbill | 
|   | Smithornis Bonaparte | broadbill | 
|   | Snowornis Prum | piha | 
|   | Somateria Leach | eider | 
|   | Spatula Boie, F. | shoveler, garganey, teal | 
|   | Speculanas von Boetticher | bronze-winged duck, spectacled duc | 
|   | Spelaeornis David & Oustalet | typical wren-babbler | 
|   | Spermestes Swainson | |
|   | Spermophaga Swainson | |
|   | Sphecotheres Vieillot | figbirds | 
|   | Sphyrapicus S.F. Baird | sapsuckers | 
|   | Spilopelia Sundevall | dove | 
|   | Spiloptila Sundevall | cricket warbler | 
|   | Spilornis | |
|   | Spindalis Jardine & Selby | spindalis | 
|   | Spinus Koch | goldfinch, serin, siskin | 
|   | Spiza Bonaparte | Dickcissel | 
|   | Spizaetus Vieillot | hawk-eagle | 
|   | Spizella Bonaparte | sparrow | 
|   | Spizelloides Slager & Klicka | American tree sparrow | 
|   | Spiziapteryx Kaup | Spot-winged falconet | 
|   | Spizixos Blyth | finchbill | 
|   | Spodiopsar Sharpe | starling | 
|   | Sporathraupis Ridgway | Blue-capped tanager | 
|   | Sporophila Cabanis | Seedeater, seed finch | 
|   | Sporopipes Cabanis | weavers | 
|   | Stachyris Hodgson | babbler | 
|   | Stagonopleura Reichenbach | firetails | 
|   | Staphida Swinhoe | |
|   | Starnoenas Bonaparte | blue-headed quail-dove | 
|   | Stelgidillas Oberholser | slender-billed greenbul | 
|   | Stelgidopteryx S.F. Baird | rough-winged swallow | 
|   | Stenostira Cabanis & Bonaparte | fairy flycatcher, fairy warbler | 
|   | Stephanoaetus Sclater | |
|   | Stephanophorus Strickland | diademed tanager | 
|   | Stephanoxis Simon | plovercrest | 
|   | Stercorarius Brisson | skuas | 
|   | Sterna Linnaeus | tern | 
|   | Sternoclyta Gould | violet-chested hummingbird | 
|   | Sternula F. Boie | tern | 
|   | Sterrhoptilus Oberholser | babblers | 
|   | Stictonetta Reichenbach | freckled duck, monkey duck, oatmeal duck | 
|   | Stilpnia Burns, KJ, Unitt, & Mason, NA | |
|   | Stiltia G.R. Gray | Australian pratincole | 
|   | Stipiturus Lesson | Emu-wren | 
|   | Stizoptera Oberholser | |
|   | Stizorhina Oberholser | rufous thrushe | 
|   | Strepera Lesson | currawong | 
|   | Streptopelia Bonaparte | Turtle-Doves | 
|   | Streptoprocne Oberholser | swift | 
|   | Strigops G.R. Gray | kākāpō, owl parrot, moss chicken | 
|   | Strix Linnaeus | earless owls | 
|   | Struthio Linnaeus | Ostrich | 
|   | Sturnella Vieillot | meadowlark | 
|   | Sturnia Lesson | starling | 
|   | Sturnus Linnaeus | starling | 
|   | Suiriri d'Orbigny | Suiriri flycatcher | 
|   | Sula Brisson | booby | 
|   | Surnia Duméril | owl | 
|   | Surniculus Lesson | cuckoos | 
|   | Suthora Hodgson | parrotbill | 
|   | Sylvia Scopoli | typical warblers | 
|   | Sylviparus Burton | |
|   | Syma Lesson | kingfisher | 
|   | Synoicus Gould | quails | 
| Synorhacma Joseph et al | striated lorikeet, lori strié, lori estriado | |
|   | Synthliboramphus Brandt, JF | murrelet | 
|   | Sypheotides Lesson | |
|   | Syrigma Ridgway | whistling herons | 
|   | Syrmaticus Wagler | long-tailed pheasants | 
|   | Syrrhaptes Illiger | |
|   | Taccocua Lesson | Sirkeer malkoha | 
|   | Tachybaptus Reichenbach | |
|   | Tachycineta Cabanis | swallow | 
|   | Tachymarptis Roberts | |
|   | Tadorna F. Boie | shelduck | 
|   | Taenioptynx Kaup | owlet | 
|   | Taeniopygia Reichenbach | |
|   | Talaphorus Mulsant & Verreaux | olive-spotted hummingbird | 
| Talegalla Lesson | brushturkey | |
|   | Tangara Brisson | tanager | 
|   | Tanygnathus Wagler | |
|   | Tanysiptera Vigors | paradise kingfisher | 
|   | Tapera Thunberg | striped cuckoo | 
|   | Taphrospilus Simon | many-spotted hummingbird | 
|   | Tarsiger Hodgson | bush robin, bluetail | 
|   | Tauraco Kluk | green turacos | 
|   | Telophorus Swainson | bushshrike | 
|   | Temnurus Lesson | ratchet-tailed treepie | 
|   | Tephrodornis Swainson | woodshrike | 
|   | Tephrophilus R. T. Moore | |
|   | Terathopius Lesson | |
|   | Terpsiphone Gloger | paradise flycatcher | 
|   | Tersina Vieillot | Swallow tanager | 
|   | Tesia Hodgson | tesias | 
|   | Tetrao Linnaeus | capercaillies | 
|   | Tetraogallus J.E. Gray | snowcocks, snowfowl | 
|   | Tetraophasis Elliot | |
|   | Tetrastes Keyserling & J. H. Blasius | grouses | 
|   | Tetrax T. Forster | |
|   | Thalassarche Reichenbach | mollymawk | 
|   | Thalasseus F. Boie | tern | 
|   | Thalassornis Eyton | white-backed duck | 
|   | Thamnolaea Cabanis | cliff chat | 
|   | Thamnophilus Vieillot | antshrike | 
|   | Thaumastura Bonaparte | |
|   | Thectocercus Vieillot | Blue-crowned parakeet | 
|   | Theristicus Wagler | |
|   | Thinocorus Eschscholtz | seedsnipes | 
|   | Thraupis F. Boie | tanager | 
|   | Threnetes Gould | barbthroats | 
|   | Thryomanes P.L. Sclater | Bewick's wren | 
|   | Thryothorus Vieillot | Carolina wren | 
|   | Tiaris Swainson | Yellow-faced grassquit | 
|   | Tichodroma Illiger | |
|   | Tickellia Blyth | broad-billed warbler | 
|   | Tigriornis Sharpe | boat-billed heron | 
|   | Tigrisoma Swainson | tiger herons | 
|   | Tilmatura Reichenbach | |
|   | Timalia Horsfield, | chestnut-capped babbler | 
|   | Tmetothylacus Cabanis | golden pipit | 
|   | Tockus Lesson | hornbill | 
|   | Todiramphus Lesson | kingfisher | 
|   | Todus Brisson | tody | 
|   | Topaza G.R. Gray | topaz | 
|   | Torgos Kaup | Lappet-faced vulture | 
|   | Toxostoma Wagler | thrasher | 
|   | Trachyphonus Ranzani | barbet | 
|   | Tragopan Kaup | rock partridges | 
|   | Tregellasia Mathews | |
|   | Treron Vieillot | green pigeon | 
|   | Tribonyx du Bus de Gisignies | nativehen, waterhen | 
|   | Trichoglossus Stephens | lorikeet | 
| Triclaria Wagler | parrot | |
|   | Trigonoceps Lesson | white-headed vulture | 
|   | Tringa Linnaeus | shank, tattler | 
|   | Trochalopteron Blyth | laughingthrush | 
|   | Trochilus Linnaeus | streamertails | 
|   | Trochocercus Cabanis | flycatcher | 
|   | Troglodytes Vieillot | wren | 
|   | Trogon Brisson | trogon | 
|   | Tropicoperdix Blyth | partridges | 
|   | Tunchiornis Slager & Klicka | tawny-crowned greenlet | 
|   | Turdoides Cretzschmar | babbler | 
|   | Turdus Linnaeus | True thrushes, Robins | 
|   | Turnix Bonnaterre | buttonquail | 
|   | Turtur Boddaert | wood dove | 
|   | Tympanuchus Gloger | prairie grouse | 
|  | Tyrannulus Vieillot | Yellow-crowned tyrannulet | 
|   | Tyrannus Lacépède | kingbird | 
|   | Tyto Billberg | owl | 
|   | Upupa Linnaeus | Hoopoes | 
|   | Uraeginthus Cabanis | |
|   | Uranomitra Reichenbach | Andean emerald hummingbird | 
|   | Uratelornis Rothschild | long-tailed ground roller | 
|   | Uria Brisson | guillemots, murres, turr | 
|   | Urile Bonaparte | cormorant | 
|   | Urochroa Gould | hillstar | 
|   | Urocissa Cabanis | blue magpies | 
|   | Urocolius Bonaparte | |
|   | Urodynamis | Pacific long-tailed cuckoo | 
|   | Uroglaux Mayr | Papuan hawk-owl | 
|   | Urosphena Swinhoe | |
|   | Urosticte Gould | whitetip | 
|   | Urotriorchis Sharpe | long-tailed hawk | 
|   | Vanellus Brisson | wader, lapwing, plover | 
|   | Vauriella Wolters | jungle flycatcher | 
|   | Veniliornis Bonaparte | woodpecker | 
|   | Vermivora Swainson | Vermivora, warbler | 
|   | Verreauxia Hartlaub | African piculet | 
|   | Vidua Cuvier | indigobird, whydah | 
|   | Vireo Vieillot | vireo | 
|   | Vireolanius Bonaparte | shrike-vireo | 
|   | Vultur Linnaeus | Andean condor | 
|   | Wetmorethraupis Lowery & O'Neill | orange-throated tanager | 
|   | Xanthocephalus Bonaparte | Yellow-headed blackbird | 
|   | Xanthopsar Ridgway | Saffron-cowled blackbird | 
|   | Xema Leach | Sabine's gull | 
|   | Xenoglaux O'Neill & Graves, GR | long-whiskered owlet | 
|   | Xenus Kaup | Terek sandpiper | 
|   | Xiphidiopicus Bonaparte | woodpecker | 
|   | Xipholena Gloger | cotinga | 
|   | Yuhina Hodgson | yuhinas | 
|   | Yungipicus Bonaparte | woodpecker | 
|   | Zanclostomus Stephens | red-billed malkoha | 
|   | Zanda Mathews | cockatoo | 
|   | Zapornia Leach | rail, crake | 
|   | Zaratornis Koepcke | White-cheeked cotinga | 
|   | Zavattariornis Moltoni | Stresemann's bushcrow | 
|   | Zebrilus Bonaparte | zigzag heron | 
|   | Zenaida Bonaparte | zenaida doves | 
| Zonerodius Salvadori | forest bittern | |
|   | Zonibyx Reichenbach | rufous-chested dotterel | 
|   | Zonotrichia Swainson | sparrow | 
|   | Zoothera Vigors | Asian thrushe | 
|   | Zosterops Vigors & Horsfield | typical white-eyes | 
|   | Zosterornis Ogilvie-Grant | striped babblers |