A passerine bird of the swallow family (illustration). It is so named because of the conspicuous rusty red color of its rump. It breeds in the temperate to tropical regions of southern Eurasia and central Africa, and those in temperate regions hibernate in the tropics. It is a summer bird that arrives in Japan from late March to late April and leaves from early September to late November, and is found as far as Hokkaido, but is rare in central Honshu and north. Its breeding range in the Tokyo metropolitan area is up to the lower reaches of the Tama River, and it rarely breeds within the Tokyo metropolitan area. A small number of them hibernate in Tenryu City, Shizuoka Prefecture, and Hitoyoshi City, Kumamoto Prefecture. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
スズメ目ツバメ科の鳥(イラスト)。腰の赤さび色が目だつのでこの名がある。ユーラシア南部とアフリカ中部の温帯から熱帯で繁殖,温帯のものは熱帯地方で越冬する。日本では3月下旬~4月下旬に渡来,9月上旬~11月下旬に渡去する夏鳥で,北海道まで分布するが,本州中部以北では少ない。首都圏での繁殖域は多摩川下流域付近までで,都区内ではほとんど繁殖していない。静岡県天竜市,熊本県人吉市などでは少数が越冬している。
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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