翼膜

zhè zhǒng bì hǔ yōng yǒu yì mó kě yǐ ràng zì jǐ cóng shù dǐng de cháo huá xiáng xia qu

这种壁虎拥有翼膜，可以让自己从树顶的巢滑翔下去。

The gecko has a patagium that allows it to glide down from its treetop home.