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响尾蛇尾巴为什么会响

更新时间: 2021-06-11 06:15:30     

响尾蛇尾巴的外壳是由坚硬皮肤形成的角质层。角质层围成了一个空腔,空腔内又由角质膜隔成两个环状空泡,也就是两个空振器。当响尾蛇剧烈摇动自己的尾巴时,在空泡内形成了一股气流,随着气流一进一出地往返振动,空泡就发出一阵一阵声音来。响尾蛇就这样发出像溪流似的水声来引诱口渴的小动物,从而捕食它们。

关键词: 响尾蛇 尾巴 为什么

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