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Temporal range: Upper Cretaceous
66 mya to Recent
|Whooper Swan (Cygnus cygnus), a member of the Anatidae|
|Range of the Waterfowl and allies|
The order Anseriformes contains about 150 living species of birds in three families: the Anhimidae (the screamers), Anseranatidae (the Magpie Goose), and the Anatidae, which includes over 140 species of waterfowl, among them the ducks, geese, and swans.