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
                     Cathartae Coues, 1824
                       1 Cathartidae Lafresnaye, 1839 - New World vultures