...It has a clear, whistling voice, with each note repeated. The closely related species, the American wigeon, A. americana (English name: American wigeon, baldpate), breeds in northern North America. The male's head is white and the area around the eyes is green. *Some of the terminology that refers to "American wigeon" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…ピューウッとよく通る笛のような声でひと声ずつくぎって鳴く。近似種のアメリカヒドリA.americana(英名American wigeon,baldpate)は北アメリカ北部で繁殖している。雄の頭頂が白色で,眼のまわりは緑色をしている。… ※「American wigeon」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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