living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Eukaryotae see Domain Eukaryota Chatton, 1925
     Animalia Linnaeus, 1758 - animals
       Eumetazoa Butschli, 1910 see [unranked] Eumetazoa Bütschli, 1910
         Chordata Bateson, 1885 - chordates
           Vertebrata Cuvier, 1812 - vertebrates see Infraphylum Vertebrata Lamarck, 1801
             Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
               Neornithes Gadow, 1893 see Clade Neornithes Gadow, 1893
                 Neognathae Pycraft, 1900 see Cohort Neognathae Pycraft, 1900
                   Falconiformes Sharpe, 1874
                     Acciptridae see Family Accipitridae Vieillot, 1816