...They live in parks and forest edges, and migrate to Central America in winter. The Rufous-throated Hummingbird ( A. alexandri ), which resembles the Rufous-throated Hummingbird but has a purple-black throat in the male, and the Anna's Hummingbird (Calypte anna) , whose male has a shiny rose-red head, are commonly seen on the west coast of the United States. Hummingbirds, along with swifts, are birds highly adapted to a life of flight, and the two are classified together in the Apodiformes, but it is unclear whether they are actually related to each other. ... *Some of the terminology that mentions "Anna's Hummingbird" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…公園や林縁にすみ,冬季には中央アメリカに渡る。アカノドハチドリに似ているが雄ののどが紫黒色のノドグロハチドリA.alexandriや雄の頭部全部がバラ赤色に輝くアンナハチドリCalypte annaは,合衆国西海岸でふつうに見られる。 ハチドリ類は,アマツバメ類とともに,飛行生活に高度に適応した鳥で,両者はいっしょにアマツバメ目に分類されているが,ほんとうに類縁関係があるのかどうかははっきりしていない。… ※「アンナハチドリ」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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