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%25受到威胁，哺乳类有22%25受到威胁，另外还有其他物种。