这是一种对抗鸟类、爬行动物、两栖动物等袭击的基本防卫手段。
It's basically a defense against birds, reptiles, amphibians, that sort of thing.
拍摄爬行动物和两栖动物的技巧。
有些是小型的两栖动物和爬行动物，有些则是大型的。
While many are small amphibians and reptiles, some are surprisingly big.
这是北美洲两栖爬行类研究中心的网站。
This is the website of the Center for North American Herpetology.
这是北美洲两栖爬行类研究中心的网站。
This is the website of the Center for North American Herpetology.
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