Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
   Subclass Neornithes Gadow, 1893 see Clade Neornithes Gadow, 1893
     Infraclass Neoaves Sibley et al., 1988 see Subcohort Neoaves Sibley et al., 1988
       Parvclass Passerae see Superorder Passerimorphae Sibley et al., 1988
         Superorder Passerimorphae Sibley et al., 1988
           Order Passeriformes Linnaeus, 1758
             Suborder Passeri see Suborder Passeres (C. Linnaeus, 1758) C. Linnaeus, 1766
               Parvorder Passerida (C. Linnaeus, 1758) Sibley et al., 1988
                 Superfamily Passeroidea
                   Family Passeridae Rafinesque, 1815 - sparrows, snowfinches and allies
                     Subfamily Motacillinae Bonaparte, 1831 see Family Motacillidae Horsfield, 1821
                       Genus Motacilla Linnaeus, 1758
                         01 Motacilla alba Linnaeus, 1758 - white wagtail
                         02 Motacilla lugens Gloger, 1829 - black-backed wagtail see Motacilla alba lugens Gloger, 1829
                         03 Motacilla grandis Sharpe, 1885
                         04 Motacilla madaraspatensis J.F. Gmelin, 1789 see Motacilla maderaspatensis J.F. Gmelin, 1789
                         05 Motacilla aguimp Dumont, 1821
                         06 Motacilla capensis Linnaeus, 1766
                         07 Motacilla flaviventris Hartlaub, 1860
                         08 Motacilla citreola Pallas, 1776
                         09 Motacilla flava Linnaeus, 1758 - yellow wagtail
                         10 Motacilla cinerea Tunstall, 1771 - gray wagtail
                         11 Motacilla clara Sharpe, 1908