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 Anserinae Vigors, 1825 - geese
               Genus Branta Scopoli, 1769 - Canada goose
                 1 Branta sandvicensis (Vigors, 1834) - Hawaiian goose
                 2 Branta canadensis (Linnaeus, 1758) - Canada goose
                 3 Branta leucopsis (Bechstein, 1803) - barnacle goose
                 4 Branta bernicla (Linnaeus, 1758) - brent goose
                 5 Branta ruficollis (Pallas, 1769) - red-breasted goose