A bird of the Anatidae family (illustration). It breeds in southeastern Siberia, Primorsky Krai, and northeastern China, and migrates to China and Southeast Asia in winter. It migrates to Japan as a winter bird, and inhabits calm seas, lakes, and rivers from central Honshu southward. It also breeds in Hokkaido. Total length is about 48 cm. Males have a tufted crest on the back of their head, and their heads shine green and copper. The throat is white with a black collar, and the back and chest have fine white and black patterns. The tertiary flight feathers are long and sickle-shaped, hanging down like hackles. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
カモ目カモ科の鳥(イラスト)。シベリア南東部,沿海州,中国東北部で繁殖し,冬季は中国や東南アジアに渡る。日本には冬鳥として渡来し,本州中部以南の波静かな海上や湖沼,河川などに生息する。また北海道で繁殖している。全長約48cm。雄は後頭に房状の冠羽があり,頭部は緑色と銅色にひかる。のどは白く,黒色のくび輪をもち,背と胸は白と黒の細かい模様がある。三列風切は長くのびて鎌状に湾曲し,みの毛のように下にたれ下がる。
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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