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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Yellow-shouldered blackbird ： ウィキペディア英語版 Yellow-shouldered blackbird The yellow-shouldered blackbird (''Agelaius xanthomus''), also known as ''la Mariquita de Puerto Rico'' or ''capitán'', is a diurnal blackbird endemic to the archipelago of Puerto Rico and one of the species belonging to the genus ''Agelaius'' of the family Icteridae. It has black plumage with a prominent yellow shoulder on its wing. Adult males and females are of similar appearance. The species is predominantly insectivorous. ==Taxonomy== The nominate form of the yellow-shouldered blackbird (''A. x. xanthomus'') was first described from Puerto Rico and Vieques in 1862 by Philip Sclater as ''Icterus xanthomus''. The species is closely related to, and possibly derived from, the red-winged blackbird (''Agelaius pheoniceus''). The tawny-shouldered blackbird (''Agelaius humeralis''), a species from Cuba and Haiti, is morphologically intermediate between ''A. xanthomus'' and ''A. humeralis''. Until recently, some authors considered ''A. xanthomus'' as a subspecies of ''A. humeralis''. The 1983 American Ornithologists' Union edition considered ''A. xanthomus'', together with ''A. humeralis'', a superspecies. The main physical difference between ''A. xanthomus'' and ''A. humeralis'' resides in their bills, with ''A. humerali'' being broader toward the base. The recognized subspecies ''A. x. monensis'', or Mona yellow-shouldered blackbird, was described by Barnes in 1945 from the islands of Mona and Monito.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Yellow-shouldered blackbird」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.