…In the spring, frogs move from their habitats on land to breeding grounds on the water. During this time, males emit a cry called a mating call, and develop bumps at the base of the fingers of their front legs for clasping females. In the breeding grounds, there are far more males than females, because females return to land after laying eggs. … *Some explanations of terms that refer to "mating call" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…カエルは,春になると生息地である陸から水辺の繁殖地へ移動してくる。この時期の雄は,mating callと呼ばれる鳴声を発し,雌を抱きかかえる(clasping)ためのこぶが前肢の指のつけ根に発達してくる。繁殖地では,雌は産卵を終えると陸へ戻るため,雄は雌よりはるかに多い。… ※「mating call」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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