They are the world's only solitary species of penguin.

它们是世界上唯一喜欢独处的企鹅。

Red-crowned cranes are one of the world's most endangered species.

丹顶鹤是世界上最濒危物种之一。

Giant pandas are one of the world's eight bear species.

大熊猫是世界八大熊类之一。

Every year, a great migration is made by one of the world's most mysterious species.

每一年，世界上最神秘的物种将集体迁徙到这里。

The large population of the world's largest species of ray is located off Ecuador.

厄瓜多尔海域附近有着数量最多的世界上最大的蝠鲼科动物。

Joe, the North Atlantic right whale is one of the world's most endangered species.

乔，北大西洋露脊鲸是世界上最濒危的物种之一。

It's still the largest direct threat to many of the world's most endangered species.

同时也是世界上许多濒危物种面临的最大直接威胁。

But experts estimate it contains between four and 18 percent of the world's known marine species.

但专家估计，它包含了世界上已知海洋物种的4%到18%。

Even though many of the world's deadliest species live here, Australia is home to over 24 million people.

尽管世界上许多最致命的物种生活在这里，大洋洲还是有2400万人的家园。

But just a million years after that, four out of five of the world's marine species were gone.

但就在那之后的一百万年，世界上五分之四的海洋物种已经消失。

Over a fifth of the world's freshwater fish species of a century ago are now endangered or extinct.

目前，一个世纪之前世界上的淡水鱼类中超过五分之一濒临灭绝或已经灭绝。

But just a million years after that, four out of five of the world’s marine species

五分之四的海洋生物都消失了。

The remaining forests are home to half of the world's species, thus becoming the chief resource for their survival.

剩下的森林是地球上半数物种的家园。森林是他们生存的主要资源。

A recent analysis predicts that 40 percent of the world's insect species could go extinct within a couple of decades.

最近一项分析预测，全球40%的昆虫物种可能在未来几十年内灭绝。

They are home to more than a tenth of the world's mammal species and nearly a fifth of its birds.

这里有超过世界上1/10的哺乳动物和近1/5的鸟类。

Over 90% of the world's plant species form relationships with beneficial fungi.

世界上超过 90% 的植物物种与有益真菌形成亲缘关系。

And it brought about the disappearance of 75% of the world’s species.

它导致 了世界上 75% 的物种消失。

So the main threat to the world's coffee species is deforestation, and that's because most coffee species actually occur in forests.

所以，全球咖啡品种面临的主要威胁是森林砍伐。这是因为，大多数咖啡品种都在森林中生长。

Standing just under 2 feet tall, he's a proud representative of the world's second largest rodent species.

他身高不到 2 英尺，是世界第二大啮齿动物的骄傲代表。

That life- is on the brink, because Laurance says Indonesia has an incredible concentration of the world's endangered and critically endangered species.

这里的生命濒临灭绝，劳伦斯说，印度尼西亚集中了世界上许多的濒危物种与极度濒危物种。