... The family Cormorantidae is divided into two genera and 31 species. Most species belong to the genus Phalacrocorax , but two belong to the genus Anhinga . Some species have degenerated wings, such as the common cormorant P. harrisi , endemic to the Galapagos Islands, and the spectacled cormorant P. perspicillatus , found in the Commander Islands. These degenerated wings make them incapable of flight. *Some of the terminology that mentions "Phalacrocorax" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
… ウ科は2属31種に分類される。大部分の種はウ属Phalacrocoraxに含まれるが,2種はヘビウ属Anhingaに属する。翼が退化した種もあり,ガラパゴス諸島特産のコバネウP.harrisiとコマンドル諸島のメガネウP.perspicillatusは翼が退化し飛ぶ能力がない。… ※「Phalacrocorax」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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