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Diving duck. The diving ducks, commonly called pochards or scaups, are a category of duck which feed by diving beneath the surface of the water. They are part of Anatidae, the diverse and very large family that includes ducks, geese, and swans. The diving ducks are placed in a distinct tribe in the subfamily Anatinae, the Aythyini.
List of duck breeds. This is a list of the breeds of domestic duck which have official recognition at national or international level. [1] Most breeds of duck derive from the wild mallard, Anas platyrhyncos, while a small minority are descendants of the Muscovy duck, Cairina moschata. Duck breeds are normally officially recognized and described ...
Coscoroba. 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 New Zealand scaup is a small, round-bodied diving duck that have dark plumage, but both sexes are easily distinguished. They have black legs and webbed feet for swimming, and they spend a lot of time underwater, where they can also travel considerable distances. They measure around 40 centimetres (16 in) in length and weigh around 695 grams ...
Greater scaup. The greater scaup (Aythya marila), just scaup in Europe or, colloquially, "bluebill" in North America, [3] is a mid-sized diving duck, larger than the closely related lesser scaup and tufted duck. It spends the summer months breeding in Iceland, east across Scandinavia, northern Russia and Siberia, Alaska, and northern Canada.
Fuligula affinis Eyton, 1838. Songs and calls. Listen to Lesser Scaup on xeno-canto. The lesser scaup (Aythya affinis) is a small North American diving duck that migrates south as far as Central America in winter. It is colloquially known as the little bluebill or broadbill because of its distinctive blue bill.
Anatinae. The Anatinae are a subfamily of the family Anatidae (swans, geese and ducks). Its surviving members are the dabbling ducks, which feed mainly at the surface rather than by diving. The other members of the Anatinae are the extinct moa-nalo, a young but highly apomorphic lineage derived from the dabbling ducks.
Aythya is a genus of diving ducks, with twelve species currently accepted. [2] The genus was described in 1822 by the German zoologist Friedrich Boie, with the type species being greater scaup. [3][4] The name Aythya comes from the Ancient Greek word αυθυια (authuia), which may have referred to a sea-dwelling duck. [5] The species are ...