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Isolated communities may evolve from millions of years in relative peace.
与世隔绝的动物群落可能在数百万年内演化出了相对稳定的生态。
But, when new challenges arrive, they can struggle to cope.
但当新挑战来袭，它们只能尽力去应对。
Of all the species that have become extinct in recent years, around 80% have been islanders.
近年来濒于灭绝的物种之中，大约百分之八十是岛屿物种。
Our impact on the Earth is greater today than ever before.
人类对地球所造成的影响比以往任何时候都要深远。
Yet some islands are so remote that few humans have even set foot on them.
然而有些岛屿是如此偏远，以至于几乎没有人类踏足。
Zavodovski Island is one. It lies in the great Southern Ocean.
扎沃多夫斯基岛就是一例。它地处南太平洋。
It's not only surrounded by the stormiest of seas, it is itself an active volcano.
不仅被最猛烈的海洋风暴所环绕，而且本身就是座活火山。
It's the last place on Earth you would choose to live.
这里是地球上你最不愿居住的地方。
Unless you're a chinstrap penguin.
除非你是一只南极帽带企鹅。
There is plenty of food in these waters, but to exploit it, the penguins have to risk their lives.
这里的水域食物充足，但若想享用美食，这些企鹅得冒着生命危险。
