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 four families: the Anhimidae (the screamers), Anseranatidae (the Magpie Goose), the Anatidae, which includes over 140 species of waterfowl, among them the ducks, geese, and swans and the †Vegavidae, containing the sole genus Vegavis.