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(webbing)是一些半水生四足類動物前肢後肢間長有的皮膜,功能是增加划水時手掌腳掌截面積,讓這些動物能更有效率的進行游泳。常見的有蹼動物有水鳥(特別是游禽,包括類、企鵝等)、類、水獺鴨嘴獸等。

一雙鴨子的蹼

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