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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 Common swift ： ウィキペディア英語版 Common swift The common swift (''Apus apus'') is a medium-sized bird, superficially similar to the barn swallow or house martin but somewhat larger. It is, however, completely unrelated to those passerine species, since swifts are in the separate order Apodiformes. The resemblances between the groups are due to convergent evolution reflecting similar life styles. Swifts' nearest relatives are thought to be the New World hummingbirds and the Southeast Asian treeswifts. Their scientific name comes from the Ancient Greek words α "without", and πούς, "feet". ἄπους, ''apous'', meaning "without feet". These birds have very short legs which they use only for clinging to vertical surfaces (hence the German name ''Mauersegler'', literally meaning "wall-glider"). They never settle voluntarily on the ground, where they would be vulnerable to accidents and predation. ==Taxonomy== The common swift was one of the many species described by Linnaeus in his ''Systema naturae'' in 1758. The predecessor of the Central European subspecies which lived during the last ice age has been described as ''Apus apus palapus''. 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「Common swift」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.