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Eurasian wigeon
The Eurasian wigeon, also known as widgeon or Eurasian widgeon (''Anas penelope'', previously ''Mareca penelope'') is one of three species of wigeon in the dabbling duck genus ''Anas''. It is common and widespread within its range. This species was first described by Linnaeus in his ''Systema naturae'' in 1758 under its current scientific name.〔
==Description==
This dabbling duck is long with a wingspan, and a weight of .〔〔 The breeding male has grey flanks and back, with a black rear end, a dark green speculum and a brilliant white patch on upper wings, obvious in flight or at rest. It has a pink breast, white belly, and a chestnut head with a creamy crown.〔 In non-breeding (eclipse) plumage, the drake looks more like the female. The female is light brown, with plumage much like a female American wigeon. It can be distinguished from most other ducks, apart from American wigeon, on shape. However, that species has a paler head and white axillaries on its underwing. The female can be a rufous morph with a redder head, and a gray morph with a more gray head.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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