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On flat ground, a baby iguana can outrun a racer snake.
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On flat ground, a baby iguana can outrun a racer snake. 小鬣蜥在平地上跑得比游蛇快

But not all the relationships on this island are so harmonious.
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But not all the relationships on this island are so harmonious. 但岛上的生存关系并不是都如此和谐

Crabs feed on dead skin on the iguana's back
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Crabs feed on dead skin on the iguana's back 红石蟹以海鬣蜥背上的死皮为食

While smaller lizards prey on the flies that pester the colony.
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While smaller lizards prey on the flies that pester the colony. 小型蜥蜴还捕食纠缠海鬣蜥的苍蝇

There are more than 7,000 individuals on Fernandina alone.
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There are more than 7,000 individuals on Fernandina alone. 仅在费尔南迪纳岛上 就有超过七千只海鬣蜥

but since there's little food for them on the land,
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but since there's little food for them on the land, 但由于岛上没有能吃的食物

marine iguanas graze on the sea floor.
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marine iguanas graze on the sea floor. 所以海鬣蜥以海底的植物为食

And on some islands that is essential.
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And on some islands that is essential. 在某些岛上 这是必备的生存技能

But it's altogether easier to stay on mother's back.
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But it's altogether easier to stay on mother's back. 但总归还是待在妈妈的背上最轻松

lemurs have been free to colonise almost every environment on the island,
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lemurs have been free to colonise almost every environment on the island, 狐猴能够在整片岛屿上生活