Anatidae
Biological family of water birds / From Wikipedia, the free encyclopedia
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The Anatidae are the biological family of water birds that includes ducks, geese, and swans. The family has a cosmopolitan distribution, occurring on all the world's continents except Antarctica. These birds are adapted for swimming, floating on the water surface, and in some cases diving in at least shallow water. The family contains around 174 species in 43 genera. (The magpie goose is no longer considered to be part of the Anatidae and is now placed in its own family, Anseranatidae.)
| Anatidae Temporal range: Early Oligocene – recent[1] | |
|---|---|
 | |
| Clockwise from top left: mallard, mute swan, Brazilian teal, paradise shelduck, bufflehead, and greylag goose. | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Order: | Anseriformes |
| Suborder: | Anseres |
| Superfamily: | Anatoidea |
| Family: | Anatidae Leach, 1820 |
| Type species | |
| Anas platyrhynchos | |
| Genera | |
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They are generally herbivorous, and are monogamous breeders. A number of species undertake annual migrations. A few species have been domesticated for agriculture, and many others are hunted for food and recreation. Five species have become extinct since 1600, and many more are threatened with extinction.
