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GADWALL , a word of obscure origin,' the See also:common See also:English name of the See also:duck, called by See also:Linnaeus Anas sire pera, but considered by many See also:modern ornithologists to require removal from the genus Anas to that of Chaulelasmus or Ctenorhynchus, of either of which it is almost the See also:sole See also:species. Its See also:geographical See also:distribution is almost identical with that of the common See also:wild duck or mallard (see DUCK), since it is found over the greater See also:part of the See also:northern hemisphere; but, See also:save in See also:India, where it is one of the most abundant species of duck during the See also:cold See also:weather, it is hardly anywhere so numerous, and both in the eastern parts of the See also:United States and in the See also:British Islands it is rather rare than otherwise. Its habits also, so far as they have been observed, greatly resemble those of the wild duck; but its See also:appearance on the See also:water is very different, its small See also:head, See also:flat back, elongated See also:form and elevated stern rendering it recognizable by the See also:fowler even at such a distance as hinders him from seeing its very distinct plumage. In coloration the two sexes appear almost equally sombre; but on closer inspection the See also:drake exhibits a pencilled See also:grey coloration and upper wing-coverts of a deep See also:chestnut, which are almost wanting in his soberly clad partner. She closely resembles the See also:female of the mallard in See also:colour, but has, like her own male, some of the secondary quills of a pure See also: Additional information and CommentsThere are no comments yet for this article.
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