living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925
     Kingdom Animalia Linnaeus, 1758 - animals
       Subkingdom Eumetazoa Butschli, 1910 see [unranked] Eumetazoa Bütschli, 1910
         Phylum Chordata Bateson, 1885 - chordates
           Subphylum Vertebrata Cuvier, 1812 - vertebrates
             Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
               Subclass Neornithes Gadow, 1893 see Clade Neornithes Gadow, 1893
                 Superorder Neognathae Pycraft, 1900 see Cohort Neognathae Pycraft, 1900
                   Order Passeriformes Linnaeus, 1758
                     Suborder Oscines see Suborder Passeres (C. Linnaeus, 1758) C. Linnaeus, 1766
                       01 Family Alaudidae Vigors, 1825 - larks
                       02 Family Hirundinidae Rafinesque, 1815 - swallows, martins
                       03 Family Pycnonotidae Gray, 1840 - bulbuls
                       03 Family Pyncnonotidae see Family Pycnonotidae Gray, 1840
                       04 Family Irenidae Jerdon, 1863 - fairy-bluebirds
                       05 Family Campephagidae Vigors, 1825 - cuckoo-shrikes
                       06 Family Muscicapidae Fleming, 1822 - chats and Old World flycatchers
                       07 Family Timaliidae Vigors & Horsfield, 1827 - babblers and parrotbills
                       08 Family Sylviidae Leach, 1820 - Old World warblers
                       09 Family Turdidae Rafinesque, 1815 - thrushes
                       10 Family Mimidae Bonaparte, 1853 - mockingbirds, thrashers
                       11 Family Troglodytidae Swainson, 1832 - wrens
                       12 Family Cinclidae Sundevall, 1836 - dippers
                       13 Family Pachycephalidae Swainson, 1831 - whistlers
                       14 Family Orthonychidae Gray, 1840 - logrunners
                       15 Family Maluridae Swainson, 1831 - Australasian wrens
                       16 Family Prunellidae Richmond, 1908 - accentors
                       17 Family Motacillidae Horsfield, 1821 - wagtails, pipits
                       18 Family Laniidae Rafinesque, 1815 - shrikes
                       19 Family Prionopidae Swainson, 1824 see Family Malaconotidae Swainson, 1824
                       20 Family Vangidae Swainson, 1832 - vangas
                       21 Family Pityriasididae see Family Pityriasidae
                       22 Family Artamidae Vigors, 1825 - woodswallows
                       23 Family Bombycillidae Swainson, 1831 - waxwings and allies
                       24 Family Paridae Vigors, 1825 - tits, chickadees
                       25 Family Certhiidae Leach, 1820 - treecreepers
                       26 Family Sittidae Lesson, 1828 - nuthatches and wallcreeper
                       27 Family Neosittidae Ridgway, 1904 - sitellas
                       28 Family Climacteridae de Selys Longchamps, 1839 - Australian treecreepers
                       29 Family Dicaeidae Bonaparte, 1853 - flowerpeckers
                       30 Family Nectariniidae Vigors, 1825 - sunbirds
                       31 Family Meliphagidae Vigors, 1825 - honeyeaters
                       32 Family Zosteropidae Bonaparte, 1853 - white eyes
                       33 Family Vireonidae Swainson, 1837 - vireos and allies
                       34 Family Drepanididae - Hawaiian honeycreepers see Tribe Drepanidini
                       34 Family Drepaniidae see Family Drepanididae
                       35 Family Thraupidae Cabanis, 1847 - tanagers
                       36 Family Parulidae Wetmore et al., 1947 - New World warblers
                       37 Family Catamblyrhynchidae
                       38 Family Zeledoniidae Ridgway, 1907 see Family Parulidae Wetmore et al., 1947
                       39 Family Tersinidae
                       40 Family Fringillidae Leach, 1820 - finches and Hawaiian honeycreepers
                       41 Family Emberizidae Vigors, 1825 - buntings, American sparrows and allies
                       42 Family Icteridae Vigors, 1825 - New World blackbirds
                       43 Family Ploceidae Sundevall, 1836 - weavers, sparrows
                       44 Family Passeridae Rafinesque, 1815 - sparrows, snowfinches and allies
                       45 Family Estrildidae Bonaparte, 1850 - waxbills, grass finches, munias and allies
                       46 Family Sturnidae Rafinesque, 1815 - starlings
                       47 Family Oriolidae Vigors, 1825 - orioles and figbirds
                       48 Family Dicruridae Vigors, 1825 - drongos
                       49 Family Corvidae Vigors, 1825 - crows, jays
                       50 Family Cracticidae Chenu & Des Murs, 1853 - butcher birds
                       51 Family Grallinidae Mayr, 1950
                       52 Family Callaeidae Sundevall, 1836 see Family Callaeatidae Sundevall, 1836
                       53 Family Ptilonorhynchidae Gray, 1841 - bowerbirds
                       54 Family Paradisaeidae Vigors, 1825 - manucodes and birds of paradise