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Duck is the common name for numerous species of waterfowl in the family Anatidae. ... A male is called a drake and the female is called a duck, or in ornithology a ...
Male mallards also occasionally chase other male ducks of a different species, and even each other, in the same way. [103] In one documented case of "homosexual necrophilia", a male mallard copulated with another male he was chasing after the chased male died upon flying into a glass window. [103] This paper was awarded an Ig Nobel Prize in ...
The wood duck's weight ranges from 454–862 grams (16.0–30.4 oz). [9] This is about three-quarters the length of an adult mallard. It shares its genus with the Asian mandarin duck (Aix galericulata). [2] The adult male has stunning multicolored iridescent plumage and red eyes, with a distinctive white flare down the neck.
A few are kept for show, or for their ornamental value. Most varieties of domesticated ducks, apart from the Muscovy duck and hybrids, are descended from the mallard, which was domesticated in China around 2000 BC. Duck farming is simplified by their reliable flocking behaviour, and their ability to forage effectively for themselves. Over 80% ...
A male mallard duck. Subfamily: Aythyinae, diving ducks (Some 15 species of diving ducks, of worldwide distribution, in two to four genera; ...
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 platyrhynchos, while a small minority are descendants of the Muscovy duck, Cairina moschata.
Common eiders (Somateria mollissima) in the breeding season on Texel, the Netherlands. The common eider (pronounced / ˈ aɪ. d ər /) (Somateria mollissima), also called St. Cuthbert's duck or Cuddy's duck, is a large (50–71 cm (20–28 in) in body length) sea-duck that is distributed over the northern coasts of Europe, North America and eastern Siberia.
Breeding male, Norway. The long-tailed duck (Clangula hyemalis) or coween, [2] formerly known as the oldsquaw, is a medium-sized sea duck that breeds in the tundra and taiga regions of the arctic and winters along the northern coastlines of the Atlantic and Pacific Oceans.