Phylum Chordata Bateson, 1885 - chordates
   Subphylum Vertebrata Cuvier, 1812 - vertebrates see Infraphylum Vertebrata Lamarck, 1801
     Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
       Order Passeriformes Linnaeus, 1758
         Family Acanthizidae Bonaparte, 1854 - thornbills, gerygones
         Family Aegithalidae Reichenbach, 1850 - long-tailed tits
         Family Alaudidae Vigors, 1825 - larks
         Family Artamidae Vigors, 1825 - woodswallows
         Family Atrichornithidae Stejneger, 1885 - scrubbirds
         Family Bombycillidae Swainson, 1831 - waxwings and allies
         Family Callaeidae Sundevall, 1836 see Family Callaeatidae Sundevall, 1836
         Family Campephagidae Vigors, 1825 - cuckoo-shrikes
         Family Certhiidae Leach, 1820 - treecreepers
         Family Cinclidae Sundevall, 1836 - dippers
         Family Climacteridae de Selys Longchamps, 1839 - Australian treecreepers
         Family Coerebidae - bananaquit
         Family Conopophagidae Sclater & Salvin, 1873 - gnateaters
         Family Corvidae Vigors, 1825 - crows, jays
         Family Cotingidae Bonaparte, 1849 - cotingas
         Family Cracticidae Chenu & Des Murs, 1853 - butcher birds
         Family Dendrocolaptidae - woodcreepers
         Family Dicaeidae Bonaparte, 1853 - flowerpeckers
         Family Dicruridae Vigors, 1825 - drongos
         Family Drepanididae - Hawaiian honeycreepers see Tribe Drepanidini
         Family Dulidae Sclater, 1862 - palmchat
         Family Emberizidae Vigors, 1825 - buntings, American sparrows and allies
         Family Eopsaltridae see Family Eopsaltriidae
         Family Estrildidae Bonaparte, 1850 - waxbills, grass finches, munias and allies
         Family Eurylaimidae - broadbills
         Family Formicariidae Gray, 1840 - ant-thrushes and antpittas
         Family Fringillidae Leach, 1820 - finches and Hawaiian honeycreepers
         Family Furnariidae Gray, 1840 - ovenbirds
         Family Grallinidae Mayr, 1950
         Family Hirundinidae Rafinesque, 1815 - swallows, martins
         Family Icteridae Vigors, 1825 - New World blackbirds
         Family Irenidae Jerdon, 1863 - fairy-bluebirds
         Family Laniidae Rafinesque, 1815 - shrikes
         Family Maluridae Swainson, 1831 - Australasian wrens
         Family Meliphagidae Vigors, 1825 - honeyeaters
         Family Menuridae Lesson, 1828 - lyrebirds
         Family Mimidae Bonaparte, 1853 - mockingbirds, thrashers
         Family Monarchidae Bonaparte, 1854 - monarchs
         Family Motacillidae Horsfield, 1821 - wagtails, pipits
         Family Muscicapidae Fleming, 1822 - chats and Old World flycatchers
         Family Nectariniidae Vigors, 1825 - sunbirds
         Family Oriolidae Vigors, 1825 - orioles and figbirds
         Family Orthonychidae Gray, 1840 - logrunners
         Family Oxyruncidae see Family Cotingidae Bonaparte, 1849
         Family Pachycephalidae Swainson, 1831 - whistlers
         Family Panuridae Des Murs, 1860
         Family Paradisaeidae Vigors, 1825 - manucodes and birds of paradise
         Family Paridae Vigors, 1825 - tits, chickadees
         Family Parulidae Wetmore et al., 1947 - New World warblers
         Family Philepittidae - asities
         Family Phytotomidae see Subfamily Phytotominae
         Family Picathartidae Lowe, 1938 - bald crows
         Family Pipridae Rafinesque, 1815 - manakins
         Family Pittidae Swainson, 1831 - pittas
         Family Platysteiridae Mathews, 1922 - shrike-flycatchers, wattle-eyes and batises
         Family Ploceidae Sundevall, 1836 - weavers, sparrows
         Family Polioptilidae Baird, 1858 - gnatcatchers
         Family Prunellidae Richmond, 1908 - accentors
         Family Ptilonorhynchidae Gray, 1841 - bowerbirds
         Family Pycnonotidae Gray, 1840 - bulbuls
         Family Remizidae Olphe-Galliard, 1891 - penduline tits
         Family Rhabdornithidae Greenway, 1967 - Philippine creepers
         Family Rhinocryptidae Wetmore, 1930 - tapaculos
         Family Sittidae Lesson, 1828 - nuthatches and wallcreeper
         Family Sturnidae Rafinesque, 1815 - starlings
         Family Sylviidae Leach, 1820 - Old World warblers
         Family Timaliidae Vigors & Horsfield, 1827 - babblers and parrotbills
         Family Troglodytidae Swainson, 1832 - wrens
         Family Turdidae Rafinesque, 1815 - thrushes
         Family Tyrannidae Vigors, 1825 - tyrant-flycatchers
         Family Vangidae Swainson, 1832 - vangas
         Family Vireonidae Swainson, 1837 - vireos and allies
         Family Xenicidae see Family Acanthisittidae Sundevall, 1872
         Family Zosteropidae Bonaparte, 1853 - white eyes