Accipitriformes

Accipitridae (Hawks, Eagles, and Kites)

Pandionidae (Osprey)

Sagittariidae (Secretarybird)

Aegotheliformes

Aegothelidae (Owlet-nightjars)

Anseriformes

Anatidae (Ducks, Geese, and Waterfowl)

Anhimidae (Screamers)

Anseranatidae (Magpie Goose)

Apodiformes

Apodidae (Swifts)

Hemiprocnidae (Treeswifts)

Trochilidae (Hummingbirds)

Apterygiformes

Apterygidae (Kiwis)

Bucerotiformes

Bucerotidae (Hornbills)

Bucorvidae (Ground-Hornbills)

Phoeniculidae (Woodhoopoes and Scimitarbills)

Upupidae (Hoopoes)

Caprimulgiformes

Caprimulgidae (Nightjars and Allies)

Cariamiformes

Cariamidae (Seriemas)

Casuariiformes

Casuariidae (Cassowaries and Emu)

Cathartiformes

Cathartidae (New World Vultures)

Charadriiformes

Alcidae (Auks, Murres, and Puffins)

Burhinidae (Thick-knees)

Charadriidae (Plovers and Lapwings)

Chionidae (Sheathbills)

Dromadidae (Crab-Plover)

Glareolidae (Pratincoles and Coursers)

Haematopodidae (Oystercatchers)

Ibidorhynchidae (Ibisbill)

Jacanidae (Jacanas)

Laridae (Gulls, Terns, and Skimmers)

Pedionomidae (Plains-wanderer)

Pluvianellidae (Magellanic Plover)

Pluvianidae (Egyptian Plover)

Recurvirostridae (Stilts and Avocets)

Rostratulidae (Painted-Snipes)

Scolopacidae (Sandpipers and Allies)

Stercorariidae (Skuas and Jaegers)

Thinocoridae (Seedsnipes)

Turnicidae (Buttonquail)

Ciconiiformes

Ciconiidae (Storks)

Coliiformes

Coliidae (Mousebirds)

Columbiformes

Columbidae (Pigeons and Doves)

Coraciiformes

Alcedinidae (Kingfishers)

Brachypteraciidae (Ground-Rollers)

Coraciidae (Rollers)

Meropidae (Bee-eaters)

Momotidae (Motmots)

Todidae (Todies)

Cuculiformes

Cuculidae (Cuckoos)

Eurypygiformes

Eurypygidae (Sunbittern)

Rhynochetidae (Kagu)

Falconiformes

Falconidae (Falcons and Caracaras)

Galbuliformes

Bucconidae (Puffbirds)

Galbulidae (Jacamars)

Galliformes

Cracidae (Guans, Chachalacas, and Curassows)

Megapodiidae (Megapodes)

Numididae (Guineafowl)

Odontophoridae (New World Quail)

Phasianidae (Pheasants, Grouse, and Allies)

Gaviiformes

Gaviidae (Loons)

Gruiformes

Aramidae (Limpkin)

Gruidae (Cranes)

Heliornithidae (Finfoots)

Psophiidae (Trumpeters)

Rallidae (Rails, Gallinules, and Coots)

Sarothruridae (Flufftails)

Leptosomiformes

Leptosomidae (Cuckoo-roller)

Mesitornithiformes

Mesitornithidae (Mesites)

Musophagiformes

Musophagidae (Turacos)

Nyctibiiformes

Nyctibiidae (Potoos)

Opisthocomiformes

Opisthocomidae (Hoatzin)

Otidiformes

Otididae (Bustards)

Passeriformes

Acanthisittidae (New Zealand Wrens)

Acanthizidae (Thornbills and Allies)

Acrocephalidae (Reed Warblers and Allies)

Aegithalidae (Long-tailed Tits)

Aegithinidae (Ioras)

Alaudidae (Larks)

Artamidae (Woodswallows, Bellmagpies, and Allies)

Atrichornithidae (Scrub-birds)

Bernieridae (Malagasy Warblers)

Bombycillidae (Waxwings)

Buphagidae (Oxpeckers)

Calcariidae (Longspurs and Snow Buntings)

Callaeidae (Wattlebirds)

Calyptomenidae (African and Green Broadbills)

Calyptophilidae (Chat-Tanagers)

Campephagidae (Cuckooshrikes)

Cardinalidae (Cardinals and Allies)

Certhiidae (Treecreepers)

Chaetopidae (Rockjumpers)

Chloropseidae (Leafbirds)

Cinclidae (Dippers)

Cinclosomatidae (Quail-thrushes and Jewel-babblers)

Cisticolidae (Cisticolas and Allies)

Climacteridae (Australasian Treecreepers)

Cnemophilidae (Satinbirds)

Conopophagidae (Gnateaters)

Corcoracidae (White-winged Chough and Apostlebird)

Corvidae (Crows, Jays, and Magpies)

Cotingidae (Cotingas)

Dasyornithidae (Bristlebirds)

Dicaeidae (Flowerpeckers)

Dicruridae (Drongos)

Donacobiidae (Donacobius)

Dulidae (Palmchat)

Elachuridae (Spotted Elachura)

Emberizidae (Old World Buntings)

Erythrocercidae (Yellow Flycatchers)

Estrildidae (Waxbills and Allies)

Eulacestomatidae (Ploughbill)

Eupetidae (Rail-babbler)

Eurylaimidae (Asian and Grauer's Broadbills)

Falcunculidae (Shrike-tits)

Formicariidae (Antthrushes)

Fringillidae (Finches, Euphonias, and Allies)

Furnariidae (Ovenbirds and Woodcreepers)

Grallariidae (Antpittas)

Hirundinidae (Swallows)

Hyliidae (Hylias)

Hyliotidae (Hyliotas)

Hylocitreidae (Hylocitrea)

Hypocoliidae (Hypocolius)

Icteridae (Troupials and Allies)

Icteriidae (Yellow-breasted Chat)

Ifritidae (Ifrita)

Irenidae (Fairy-bluebirds)

Laniidae (Shrikes)

Leiothrichidae (Laughingthrushes and Allies)

Locustellidae (Grassbirds and Allies)

Machaerirhynchidae (Boatbills)

Macrosphenidae (African Warblers)

Malaconotidae (Bushshrikes and Allies)

Maluridae (Fairywrens)

Melampittidae (Melampittas)

Melanocharitidae (Berrypeckers and Longbills)

Melanopareiidae (Crescentchests)

Meliphagidae (Honeyeaters)

Mimidae (Mockingbirds and Thrashers)

Mitrospingidae (Mitrospingid Tanagers)

Modulatricidae (Dapple-throat and Allies)

Mohouidae (Whiteheads)

Monarchidae (Monarch Flycatchers)

Motacillidae (Wagtails and Pipits)

Muscicapidae (Old World Flycatchers)

Nectariniidae (Sunbirds and Spiderhunters)

Neosittidae (Sittellas)

Nesospingidae (Puerto Rican Tanager)

Nicatoridae (Nicators)

Notiomystidae (Stitchbird)

Onychorhynchidae (Royal Flycatchers and Allies)

Oreoicidae (Australo-Papuan Bellbirds)

Oriolidae (Old World Orioles)

Orthonychidae (Logrunners)

Oxyruncidae (Sharpbill)

Pachycephalidae (Whistlers and Allies)

Panuridae (Bearded Reedling)

Paradisaeidae (Birds-of-Paradise)

Paradoxornithidae (Parrotbills)

Paramythiidae (Tit Berrypecker and Crested Berrypecker)

Pardalotidae (Pardalotes)

Paridae (Tits, Chickadees, and Titmice)

Parulidae (New World Warblers)

Passerellidae (New World Sparrows)

Passeridae (Old World Sparrows)

Pellorneidae (Ground Babblers and Allies)

Petroicidae (Australasian Robins)

Peucedramidae (Olive Warbler)

Phaenicophilidae (Hispaniolan Tanagers)

Philepittidae (Asities)

Phylloscopidae (Leaf Warblers)

Picathartidae (Rockfowl)

Pipridae (Manakins)

Pittidae (Pittas)

Pityriasidae (Bristlehead)

Platylophidae (Crested Jayshrike)

Platysteiridae (Wattle-eyes and Batises)

Ploceidae (Weavers and Allies)

Pnoepygidae (Cupwings)

Polioptilidae (Gnatcatchers)

Pomatostomidae (Pseudo-Babblers)

Promeropidae (Sugarbirds)

Prunellidae (Accentors)

Psophodidae (Whipbirds and Wedgebills)

Ptiliogonatidae (Silky-flycatchers)

Ptilonorhynchidae (Bowerbirds)

Pycnonotidae (Bulbuls)

Regulidae (Kinglets)

Remizidae (Penduline-Tits)

Rhagologidae (Mottled Berryhunter)

Rhinocryptidae (Tapaculos)

Rhipiduridae (Fantails)

Rhodinocichlidae (Thrush-Tanager)

Salpornithidae (Spotted Creepers)

Sapayoidae (Sapayoa)

Scotocercidae (Bush Warblers and Allies)

Sittidae (Nuthatches)

Spindalidae (Spindalises)

Stenostiridae (Fairy Flycatchers)

Sturnidae (Starlings)

Sylviidae (Sylviid Warblers and Allies)

Teretistridae (Cuban Warblers)

Thamnophilidae (Typical Antbirds)

Thraupidae (Tanagers and Allies)

Tichodromidae (Wallcreeper)

Timaliidae (Tree-Babblers, Scimitar-Babblers, and Allies)

Tityridae (Tityras and Allies)

Troglodytidae (Wrens)

Turdidae (Thrushes and Allies)

Tyrannidae (Tyrant Flycatchers)

Urocynchramidae (Przevalski's Pinktail)

Vangidae (Vangas, Helmetshrikes, and Allies)

Viduidae (Indigobirds)

Vireonidae (Vireos, Shrike-Babblers, and Erpornis)

Zeledoniidae (Wrenthrush)

Zosteropidae (White-eyes, Yuhinas, and Allies)

Pelecaniformes

Ardeidae (Herons, Egrets, and Bitterns)

Balaenicipitidae (Shoebill)

Pelecanidae (Pelicans)

Scopidae (Hamerkop)

Threskiornithidae (Ibises and Spoonbills)

Phaethontiformes

Phaethontidae (Tropicbirds)

Phoenicopteriformes

Phoenicopteridae (Flamingos)

Piciformes

Capitonidae (New World Barbets)

Indicatoridae (Honeyguides)

Lybiidae (African Barbets)

Megalaimidae (Asian Barbets)

Picidae (Woodpeckers)

Ramphastidae (Toucans)

Semnornithidae (Toucan-Barbets)

Podargiformes

Podargidae (Frogmouths)

Podicipediformes

Podicipedidae (Grebes)

Procellariiformes

Diomedeidae (Albatrosses)

Hydrobatidae (Northern Storm-Petrels)

Oceanitidae (Southern Storm-Petrels)

Procellariidae (Shearwaters and Petrels)

Psittaciformes

Cacatuidae (Cockatoos)

Psittacidae (New World and African Parrots)

Psittaculidae (Old World Parrots)

Strigopidae (New Zealand Parrots)

Pterocliformes

Pteroclidae (Sandgrouse)

Rheiformes

Rheidae (Rheas)

Sphenisciformes

Spheniscidae (Penguins)

Steatornithiformes

Steatornithidae (Oilbird)

Strigiformes

Strigidae (Owls)

Tytonidae (Barn-Owls)

Struthioniformes

Struthionidae (Ostriches)

Suliformes

Anhingidae (Anhingas)

Fregatidae (Frigatebirds)

Phalacrocoracidae (Cormorants and Shags)

Sulidae (Boobies and Gannets)

Tinamiformes

Tinamidae (Tinamous)

Trogoniformes

Trogonidae (Trogons)