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5665 篇文章
The colony is now home to a million goslings.
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The colony is now home to a million goslings. 现在 这片领地上一下子多出了上百万只小雪雁

But it's no easy task to locate prey that never stops travelling.
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But it's no easy task to locate prey that never stops travelling. 但若想找到这些 脚步永不停止的猎物又谈何容易?

Not only is their prey seasonal, it's also hard to find.
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Not only is their prey seasonal, it's also hard to find. 不仅它们的猎物是季节性的,而且很难找到

She's driven away from every nest, but hunger compels her to continue.
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She's driven away from every nest, but hunger compels her to continue. 这只狐狸四处碰壁但在饥饿的驱使下始终不肯放弃努力

It's a long way to travel, but for a short period, the tundra is the ideal place for a grazer.
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It's a long way to travel, but for a short period, the tundra is the ideal place for a grazer. 北极的苔原虽然路途遥远, 但仍有短短的一段时间是食草动物的天堂

As soon as couples arrive, they must stake a claim to a nesting patch.
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As soon as couples arrive, they must stake a claim to a nesting patch. 一对雪雁来了之后就必须取得自己的筑巢地

But it's about to change.
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But it's about to change. 但这一切即将发生变化

They winter along the Gulf of Mexico, and in spring they fly the entire length of North America to reach the Arctic tundra.
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They winter along the Gulf of Mexico, and in spring they fly the entire length of North America to reach the Arctic tundra. 它们在墨西哥湾越冬 等到春天便一路飞过北美洲 来到这里的北极苔原

Green returns to the Arctic.
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Green returns to the Arctic. 北极又披上了绿色的外衣

and continue to sustain the biggest herds on Earth.
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and continue to sustain the biggest herds on Earth. 草便又继续维系着地球上 最大的动物群落的食物需要