One third of the amphibious animals are threatened, while this figure for avifauna is 12%, and that for mammal is 22%, according to a survey of the global specimens.

通过对全球物种进行调查，发现有三分之一的两栖物种受到威胁，鸟类有12%受到威胁，哺乳类有22%受到威胁，另外还有其他物种。

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One third of the amphibious animals are threatened, while this figure for avifauna is 12%, and that for mammal is 22%, according to a survey of the global specimens.

通过对全球物种进行调查，发现有三分之一的两栖物种受到威胁，鸟类有12%受到威胁，哺乳类有22%受到威胁，另外还有其他物种。

youdao