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Common scoter
The common scoter (''Melanitta nigra'') is a large sea duck, in length, which breeds over the far north of Europe and Asia east to the Olenyok River. The black scoter (''M. americana'') of North America and eastern Siberia is sometimes considered a subspecies of ''M. nigra''.
==Description==
It is characterised by its bulky shape and large bill. The male is all black with a bulbous bill which shows some yellow coloration around the nostrils. The female is a brown bird with pale cheeks, very similar to female black scoter.
This species can be distinguished from other scoters, apart from black scoter, by the lack of white anywhere on the drake and the more extensive pale areas on the female.
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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