Phylum Chordata Bateson, 1885 - chordates
   Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
     Subclass Neornithes Gadow, 1893 see Clade Neornithes Gadow, 1893
       Superorder Neognathae Pycraft, 1900 see Cohort Neognathae Pycraft, 1900
         Order Anseriformes Wagler, 1831 - waterfowl and screamers
           Family Anatidae Vigors, 1825 - ducks, geese, swans
             Subfamily Anatinae Vigors, 1825 - pond ducks
               Genus Chloephaga Eyton, 1838
                 1 Chloephaga melanoptera (Eyton, 1838) - Andean goose
                 2 Chloephaga picta (Gmelin, 1789) - upland goose
                 3 Chloephaga hybrida (Molina, 1782) - kelp goose
                 4 Chloephaga poliocephala Sclater, 1857 - ashy-headed goose
                 5 Chloephaga rubidiceps Sclater, 1861 - ruddy-headed goose