Kingdom [Animalia] Linnaeus, 1758 - animals
Count: -
   Subkingdom Metazoa Haeckel, 1874 see Kingdom Animalia Linnaeus, 1758
  Count: -
     Division Eumetazoa Butschli, 1910 see Subkingdom Eumetazoa Butschli, 1910
    Count: -
       Subdivision Bilateralia
      Count: -
         Phylum Chordata Bateson, 1885 - chordates
        Count: -
           Subphylum Vertebrata Cuvier, 1812 - vertebrates
          Count: -
             Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
            Count: 26o;153f;1626g;3765s;425ss;1v; ‡1f;17g;53s;12ss; †2f
               Subclass Neornithes Gadow, 1893 see Clade Neornithes Gadow, 1893
              Count: 26o;153f;1626g;3765s;425ss;1v; ‡1f;17g;53s;12ss; †2f
                 Order Anseriformes Wagler, 1831 - waterfowl and screamers
                Count: 2f;42g;144s;26ss; ‡2g;4s;1ss
                   Family Anatidae Vigors, 1825 - ducks, geese, swans
                  Count: 40g;141s;26ss; ‡2g;4s;1ss
                     Subfamily Anatinae Vigors, 1825 - pond ducks
                    Count: 34g;112s;11ss; ‡2g;4s;1ss
                       Tribe Cairinini del Hoyo et al., 2014 see Subfamily Anatinae Vigors, 1825
                      Count: 8g;11s
                         Genus Aix Boie, 1828
                        Count: 2s
                           Aix sponsa (Linnaeus, 1758) - wood duck
                          Count: -