Ducks, Geese, and Waterfowl (Cygnus) is a genus of bird (Aves) in the family Anatidae (Ducks, Geese, and Waterfowl).
Cygnus atratus
Cygnus melancoryphus
Cygnus olor
Cygnus buccinator
Cygnus columbianus
Cygnus cygnus
Anser
Branta
Aythya
Lophonetta
Oressochen
Callonetta
Heteronetta
Merganetta
Tachyeres
Cereopsis
Sarkidiornis
Asarcornis
Alopochen
Amazonetta
Plectropterus
Rhodonessa
Chloephaga
Marmaronetta
Salvadorina
Thalassornis
Stictonetta
Malacorhynchus
Pteronetta
Nettapus
Hymenolaimus
Coscoroba
Chenonetta
Sibirionetta
Speculanas
Cyanochen
Bucephala
Mergus
Histrionicus
Lophodytes
Camptorhynchus
Clangula
Melanitta
Mergellus
Polysticta
Oxyura
Somateria
Dendrocygna