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Anseranatidae
family, birds
Nucleotide Protein
Anseriformes
(ducks, geese & swans), order, birds
Anatidae
(waterfowl), family, birds
Anser
(geese), genus, birds
Anseranas
genus, birds
Branta
Chloephaga
Cygnus
(swans), genus, birds
Dendrocygna
Neochen
Tadorna
Netta
Bucephala
Histrionicus
Radjah
Spatula
Anserinae
subfamily, birds
Aythyinae
Tadorninae
Mergellus
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