Both the Borneo and Sumatran species of orangutans are endangered, according to the IUCN red List of mammals.

根据国际自然与自然资源保护联合会公布的哺乳动物《红色名单》显示，婆罗洲猩猩和苏门答腊猩猩都属于濒危动物。

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Snakes now join a list of declining animal populations that includes fish, amphibians, reptiles, birds, and mammals.

如今，蛇已经与包括鱼类、两栖动物类、爬行动物类、鸟类和哺乳动物类中的不少种类一样，成为一个数量正在急剧下降的动物种类。

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On the list of invasive aliens are 316 plants, 101 Marine species, 44 freshwater fish, 43 mammals, 23 birds and 15 types of amphibian.

在入侵物种名单中，有316种植物，101种海洋生物，44种淡水鱼类，43种哺乳动物，23种鸟类和15种两栖动物。

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The latest update to the IUCN Red List of Threatened Species reviews more than 60, 000 species, concluding that 25% of mammals on the list are at risk of extinction.

CNN: Western black rhino declared extinct