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The Anatidae are the biological family of birds that includes ducks, geese and swans. The family has a cosmopolitan distribution, occurring on all the world's continents except Antarctica and on most of the world's islands and island groups. These are birds that are adapted through evolution forswimming, floating on the water surface, and in some cases diving in at least shallow water. (The Magpie Goose is no longer considered to be part of the Anatidae, but is placed in its own family Anseranatidae.) The family contains around 146 species in 40 genera. They are generally herbivorous, and aremonogamous 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.

From Wikipedia, the free encyclopedia http:/​/​en.​wikipedia.​org/​wiki/​Anatidae
Anas acuta - Northern PintailAnas castanea - Chestnut TealAnas gracilis - Grey TealAnas platyrhynchos - MallardAnas poecilorhyncha - Indian Spot-billed DuckAnas superciliosa - Pacific Black DuckAnser indicus - Bar-headed GooseAythya australis - HardheadBiziura lobata - Musk DuckChenonetta jubata - Maned DuckCygnus atratus - Black SwanDendrocygna eytoni - Plumed Whistling DuckDendrocygna guttata - Spotted Whistling DuckDendrocygna javanica - Lesser Whistling DuckMalacorhynchus membranaceus - Pink-eared DuckNettapus pulchellus - Green Pygmy GooseTadorna ferruginea - Ruddy ShelduckTadorna radjah - Raja ShelduckTadorna tadornoides - Australian ShelduckTadorna variegata - Paradise Shelduck