living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
Status: extant
   Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925
  Status: extant
     Kingdom Animalia Linnaeus, 1758 - animals
    Status: extant
       Subkingdom Eumetazoa Butschli, 1910 see [unranked] Eumetazoa Bütschli, 1910
      Status: extant
         Phylum Chordata Bateson, 1885 - chordates
        Status: extant
           Subphylum Vertebrata Cuvier, 1812 - vertebrates see Infraphylum Vertebrata Lamarck, 1801
          Status: extant
             Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
            Status: extant
               Subclass Neornithes Gadow, 1893 see Clade Neornithes Gadow, 1893
              Status: extant
                 Superorder Neognathae Pycraft, 1900 see Cohort Neognathae Pycraft, 1900
                Status: extant
                   Order Apodiformes Peters, 1940 - swifts
                  Status: extant
                     Suborder Trochili see Order Trochiliformes Wagler
                    Status: extant
                       1 Family Trochilidae Vigors, 1825 - hummingbirds
                      Status: extant