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Wood duck
The wood duck or Carolina duck (''Aix sponsa'') is a species of perching duck found in North America. It is one of the most colorful North American waterfowl.〔〔
==Description==
The wood duck is a medium-sized perching duck. A typical adult is from in length with a wingspan of between . This is about three-quarters of the length of an adult mallard. It shares its genus with the Asian Mandarin duck (''Aix galericulata'').〔
The adult male has distinctive multicolored iridescent plumage and red eyes,with a distinctive white flare down the neck. The female, less colorful, has a white eye-ring and a whitish throat. Both adults have crested heads.
The male's call is a rising whistle, ''jeeeeee''; the females utter a drawn-out, rising squeal, ''do weep do weep'', when flushed, and a sharp ''cr-r-ek, cr-e-ek'' for an alarm call.〔
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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