Colugos glide between trees using their patagium, or flaps of skin between their front and hind legs and extending to the tail and the neck.

鼯猴利用它们的翼膜在树之间滑翔，该翼膜是它们前后肢之间的片状悬垂物，延伸到尾巴和脖子。

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Colugos are even webbed between their toes.

鼯猴的趾间甚至都有膜。

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One theory suggests gliding saves energy. So researchers tested that idea using colugos-mammals from Southeast Asia that turn into giant skin sails when they stretch out their legs.

有一种理论认为滑行节省体力。因此研究人员用飞鼯猴——一种来自东南亚的哺乳动物，当它们滑行时会伸展出四肢，变成一张巨大的翼膜。

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