…A rodent mammal of the Beaver family. There are two species: the American beaver Castor canadensis (illustration) found in North America and the European beaver C. fiber found in Europe, but they are so similar that they are often considered to be the same species. They are a large aquatic rodent second only to the capybara in size, and are famous for gnawing down trees that grow near water to create dams, and for producing extremely high-quality fur. … *Some of the terminology that refers to the "American beaver" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…齧歯(げつし)目ビーバー科の哺乳類。北アメリカに分布するアメリカビーバーCastor canadensis(イラスト)とヨーロッパに分布するヨーロッパビーバーC.fiberの2種に分けられるが,両者はしばしば同じ種とみなされるほど似ている。カピバラに次ぐ大きさをもつ水生の大型齧歯類で,水辺に生える木をかじり倒し,ダムをつくることと,きわめて良質の毛皮となることで名高い。… ※「アメリカビーバー」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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