1801 篇文章
Sandhill cranes have travelled all the way from New Mexico.
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Sandhill cranes have travelled all the way from New Mexico. 沙丘鹤则从新墨西哥州一路赶到这里

which is why little auks have kept the ability to fly.
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which is why little auks have kept the ability to fly. 所以小海雀仍然需要保持飞行能力

The musk oxen have recently given birth.
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The musk oxen have recently given birth. 麝牛最近生了幼仔

These giants have the strength to smash through the frozen crust
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These giants have the strength to smash through the frozen crust 这种体型巨大的动物有足够的力量砸出冰窟窿

They have stayed here, braving the northern winter,
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They have stayed here, braving the northern winter, 绒鸭没有迁徙到温暖的南方

They all have the same goal, a polynya,
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They all have the same goal, a polynya, 它们都有相同的目标--冰间湖(冰穴)

Crammed into this scrum, the birds are remarkably good-natured. But they have to be.
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Crammed into this scrum, the birds are remarkably good-natured. But they have to be. 这些企鹅性情特别温和 这是环境使然

The females no longer have the energy to incubate.
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The females no longer have the energy to incubate. 雌企鹅再也没有孵蛋的力气

They have travelled over 5,000 miles to reach these waters.
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They have travelled over 5,000 miles to reach these waters. 它们经过5000英里的漫长旅程终于来到了这片水域

But the skuas have not chanced upon the petrels, they've been waiting for them.
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But the skuas have not chanced upon the petrels, they've been waiting for them. 但是贼鸥碰到海燕并非机遇使然, 它们早就等着下手