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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 Red-winged blackbird ： ウィキペディア英語版 Red-winged blackbird The red-winged blackbird (''Agelaius phoeniceus'') is a passerine bird of the family Icteridae found in most of North and much of Central America. It breeds from Alaska and Newfoundland south to Florida, the Gulf of Mexico, Mexico, and Guatemala, with isolated populations in western El Salvador, northwestern Honduras, and northwestern Costa Rica. It may winter as far north as Pennsylvania and British Columbia, but northern populations are generally migratory, moving south to Mexico and the southern United States. Claims have been made that it is the most abundant living land bird in North America, as bird-counting censuses of wintering red-winged blackbirds sometimes show that loose flocks can number in an excess of a million birds per flock and the full number of breeding pairs across North and Central America may exceed 250 million in peak years. It also ranks among the best-studied wild bird species in the world.〔Beletsky, L. (1996). ''The red-winged blackbird: the biology of a strongly polygynous songbird''. Academic Press〕〔Holm, C. H. (1973). ''Breeding sex ratios, territoriality, and reproductive success in the Red-winged Blackbird (Agelaius phoeniceus)''. Ecology, 356-365.〕 The red-winged blackbird is sexually dimorphic; the male is all black with a red shoulder and yellow wing bar, while the female is a nondescript dark brown. Seeds and insects make up the bulk of the red-winged blackbird's diet. == Taxonomy == The red-winged blackbird is one of 11 species in the genus ''Agelaius'' and is included in the family Icteridae, which is made up of passerine birds found in North and South America.〔(【引用サイトリンク】 publisher = Integrated Taxonomic Information System )〕 The red-winged blackbird was originally described as ''Oriolus phoeniceus'' by Linnaeus in his 18th-century work, ''Systema Naturae'', but was later moved with the other American blackbirds to the genus ''Agelaius'' (Vieillot, 1816). The genus name is Latin derived from Ancient Greek, ''agelaios'', meaning "belonging to a flock". The specific epithet, ''phoeniceus'', is from the Latin word meaning "deep red". There are a number of subspecies, some of doubtful status, which are mostly quite similar in appearance, but the bicolored blackbird ''A. p. gubernator'' of California and central Mexico – two isolated populations – is distinctive: the male lacks the yellow wing patch of the nominate race, and the female is much darker than the female nominate. The taxonomy of this form is little understood, with the relationships between these two populations, and between them and red-winged blackbirds, still unclear. Despite the similar names, the red-winged blackbird is in a different family from the European redwing and the Old World common blackbird, which are thrushes (Turdidae).〔 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「Red-winged 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.