They also found a fourth possible new species and other corals that were thought not to inhabit the waters around the Galapagos.

他们还发现了第四个可能的新物种，以及其他一些被认为不在加拉帕戈斯群岛附近海域生长的珊瑚。

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Three of the four gorilla subspecies are already considered critically endangered, and the fourth is listed as endangered on the IUCN Red List of Threatened Species.

大猩猩的四个亚种已经有三种被列为极度濒危，而第四种也已经上了世界自然保护联盟（IUCN）发布的濒于灭绝物种红色名单。

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Madagascar, which has been isolated from landmasses for more than 160m years, is the world's fourth largest island and a "conservation hotspot" with thousands of exotic species found only here.

马达加斯加脱离大陆已超过1.6亿年，是世界第四大岛屿，也是一个拥有数千种特有奇异物种的“热点保护地区”。

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Nearly one and a half times the size of California, the world's fourth-largest island boasts over 12, 000 plant species, nearly 10, 000 of them not found anywhere else, and 346 species of reptile, including 66 varieties of chameleon threatened by a largely illegal international pet trade.

ECONOMIST: Madagascar's natural history: Tales in a twist | The

Darwin, who published On the Origin of Species by Means of Natural Selection in 1859, came fourth in a poll run by the BBC in 2002 to find the public's greatest Briton of all time.

BBC: Darwin's Beagle ship replica plan