Phylum: Chordata
Subphylum: Vertebrata
Class: Aves
Subclass: Neornithes (2,057 genera / 9,672 species)
Infraclass: Eoaves
Parvclass: Passerae
Superorder: Passerimorphae
Order: Passeriformes (1161 genera / 5712 species)
- Suborder: Tyranni (Suboscines)
- Infraorder: Acanthisittides
- Family: Acanthisittidae (2/4 New Zealand wrens)
Infraorder: Eurylaimides
- Superfamily: Pittoidea
- Family: Pittidae (1/31 pittas)
Superfamily: Eurylaimoidea
- Family: Eurylaimidae (8/14 broadbills)
Family: Philepittidae (2/4 asities [asitys])
Infraorder/Family: Incertae sedis (Sapayoa)
Infraorder: Tyrannides
- Parvorder: Tyrannida
- Family: Tyrannidae (146/537)
- Subfamily: Pipromorphinae (mionectine flycatchers, Corythopis)
Subfamily: Tyranninae (tyrant flycatchers)
Subfamily: Tityrinae
- Tribe: Schiffornithini (Schiffornis)
Tribe: Tityrini (tityras, becards)
Subfamily: Cotinginae (cotingas, plantcutters, sharpbill)
Subfamily: Piprinae (manakins)
Parvorder: Thamnophilida
- Family: Thamnophilidae (45/188 typical antbirds)
Parvorder: Furnariida
- Superfamily: Furnarioidea
- Family: Furnariidae (66/280)
- Subfamily: Furnariinae (ovenbirds)
Subfamily: Dendrocolaptinae (woodcreepers)
Superfamily: Formicarioidea
- Family: Formicariidae (7/56 ground antbirds)
Family: Conopophagidae (1/8 gnateaters)
Family: Rhinocryptidae (12/28 tapaculos)
Suborder: Passeri (Oscines)
- Parvorder: Corvida
- Superfamily: Menuroidea (treecreepers, lyrebirds, bowerbirds)
- Family: Climacteridae (2/7 Australo-Papuan treecreepers)
Family: Menuridae (2/4)
- Subfamily: Menurinae (lyrebirds)
Subfamily: Atrichornithinae (scrub-birds)
Family: Ptilonorhynchidae (7/20 bowerbirds)
Superfamily: Meliphagoidea (fairywrens, grasswrens, honeyeaters, thornbills)
- Family: Maluridae (2/4)
- Subfamily: Malurinae
- Tribe: Malurini (fairywrens)
Tribe: Stipiturini (emuwrens)
Subfamily: Amytornithinae (grasswrens)
Family: Meliphagidae (42/182 honeyeaters, Ephthianura, Ashbyia)
Family: Pardalotidae (16/68)
- Subfamily: Pardalotinae (pardalotes)
Subfamily: Dasyornithinae (bristlebirds)
Subfamily: Acanthizinae
- Tribe: Sericornithini (scrubwrens)
Tribe: Acanthizini (thornbills, whitefaces)
Superfamily: Corvoidea (shrikes, crows, jays, birds-of-paradise, orioles)
- Family: Eopsaltriidae (14/46 Australo-Papuan robins, Drymodes)
Family: Irenidae (2/10 fairy-bluebirds, leafbirds)
Family: Orthonychidae (1/2 logrunner, chowchilla)
Family: Pomatostomidae (1/5 Australo-Papuan babblers)
Family: Laniidae (3/30 true shrikes)
Family: Vireonidae (4/51 vireos, greenlets, peppershrikes, shrike-vireos)
Family: Corvidae (127/647)
- Subfamily: Cinclosomatinae (quail-thrushes, whipbirds)
Subfamily: Corcoracinae (Australian chough, apostlebird)
Subfamily: Pachycephalinae
- Tribe: Neosittini (sittellas)
Tribe: Mohouini (Mohoua, Finschia)
Tribe: Falcunculini (shrike-tits, Oreoica, Rhagologus)
Tribe: Pachycephalini (whistlers, shrike-thrushes)
Subfamily: Corvinae
- Tribe: Corvini (crows, magpies, jays, nutcrackers)
Tribe: Paradisaeini (birds-of-paradise, Melampitta)
Tribe: Artamini (currawongs, woodswallows, Peltops, Pityriasis)
Tribe: Oriolini (orioles, cuckooshrikes)
Subfamily: Dicrurinae
- Tribe: Rhipidurini (fantails)
Tribe: Dicrurini (drongos)
Tribe: Monarchini (monarchs, magpie-larks)
Subfamily: Aegithininae (loras)
Subfamily: Malaconotinae
- Tribe: Malaconotini (bush-shrikes)
Tribe: Vangini (helmet-shrikes, vangas, Batis, Platysteira)
Parvorder: Incertae sedis
- Family: Picathartidae (Picathartes, Chaetops)
Parvorder: Passerida
- Superfamily: Muscicapoidea (waxwings, dippers, thrushes, starlings, nuthatches)
- Family: Bombycillidae (5/8)
- Tribe: Dulini (palmchat)
Tribe: Ptilogonatini (silky-flycatchers)
Tribe: Bombycillini (waxwings)
Family: Cinclidae (1/5 dippers)
Family: Muscicapidae (69/449)
- Subfamily: Turdinae (true thrushes, Chlamydochaera, Brachypteryx, Alethe)
Subfamily: Muscicapinae
- Tribe: Muscicapini (Old World flycatchers)
Tribe: Saxicolini (chats)
Family: Sturnidae (38/148)
- Tribe: Sturnini (starlings, mynas)
Tribe: Mimini (mockingbirds, thrashers, catbirds)
Superfamily: Sylvioidea (nuthatches, creepers, wrens, swallows, kinglets)
- Family: Sittidae (2/25)
- Subfamily: Sittinae (nutchatches)
Subfamily: Tichodrominae (wallcreeper)
Family: Certhiidae (22/97)
- Subfamily: Certhiinae
- Tribe: Certhiini (northern creepers)
Tribe: Salpornithini (African creeper)
Subfamily: Troglodytinae (wrens)
Subfamily: Polioptilinae (gnatcatchers, verdin, gnatwrens)
Family: Paridae (7/65)
- Subfamily: Remizinae (penduline-tits)
Subfamily: Parinae (titmice, chickadees)
Family: Aegithalidae (3/8 long-tailed tits, bushtits)
Family: Hirundinidae (14/89)
- Subfamily: Pseudochelidoninae (river-martins)
Subfamily: Hirundininae (swallows, martins)
Family: Regulidae (1/6 kinglets)
Family: Pycnonotidae (21/137 bulbuls, greenbuls)
Family: Hypocoliidae (1/1 Hypocolius)
Family: Cisticolidae (14/119 African warblers, Cisticola, Apalis, Prinia)
Family: Zosteropidae (13/96 white-eyes)
Family: Sylviidae (101/552)
- Subfamily: Acrocephalinae (leaf-warblers)
Subfamily: Megalurinae (grass-warblers)
Subfamily: Garrulacinae (laughingthrushes)
Subfamily: Sylviinae
- Tribe: Timaliini (babblers, Rhabdornis)
Tribe: Chamaeini (wrentit)
Tribe: Sylviini (Sylvia)
Superfamily: Passeroidea (larks, sparrows, tanagers, cardinals, blackbirds)
- Family: Alaudidae (17/91 larks)
Family: Nectariniidae (8/169)
- Subfamily: Promeropinae (sugarbirds)
Subfamily: Nectariniinae
- Tribe: Dicaeini (flowerpeckers)
Tribe: Nectariniini (sunbirds, spiderhunters)
Family: Melanocharitidae (3/10)
- Tribe: Melanocharitini (Melanocharis)
Tribe: Toxorhamphini (Toxorhamphus, Oedistoma)
Family: Paramythiidae (2/2 Paramythia, Oreocharis)
Family: Passeridae (57/386)
- Subfamily: Passerinae (sparrows, rock-sparrows)
Subfamily: Motacillinae (wag-tails, pipits)
Subfamily: Prunellinae (accentors, dunnock)
Subfamily: Ploceinae (weavers)
Subfamily: Estrildinae
- Tribe: Estrildini (estrildine finches)
Tribe: Viduini (whydahs)
Family: Fringillidae (240/993)
- Subfamily: Peucedraminae (Peucedramus)
Subfamily: Fringillinae
- Tribe: Fingillini (chaffinches, brambling)
Tribe: Carduelini (goldfinches, crossbills)
Tribe: Drepanidini (Hawaiian honeycreepers)
Subfamily: Emberizinae
- Tribe: Emberizini (buntings, longspurs, towhees)
Tribe: Parulini (wood warblers, Zeledonia)
Tribe: Thraupini (tanagers, Neotropical honeycreepers, seedeaters, flower-piercers)
Tribe: Cardinalini (cardinals)
Tribe: Icterini (troupials, New World blackbirds, meadowlarks)