一旦摆脱了捕食的压力，巨大的体型对食草动物没有什么好处。

Once free from predation pressure, large body size is of little advantage to herbivores.

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显然，它们所捕食的夜间飞行的昆虫必须找到某种识路的方法。

Obviously the night-flying insects that they prey on must find their way about somehow.

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如果这些大型猫科动物灭绝了，那么它们捕食的小型动物将会使森林中物种的密度过高。

If these great cats become extinct, the smaller animals they prey upon will overpopulate the forests.

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Then we got into more deliberate hunting of animals, larger species were hunted and then you started to see humans eating things like mammoth, deer, horse, bison, and reindeer.

我们开始有意识地狩猎捕食,我们开始捕杀巨大的物种,于是你能发现人类食用大型动物,比如猛犸象,鹿,马,野牛及驯鹿

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and he looks after wild birds of prey and does the bird shows.

他照看野生鸟的捕食情况、训练鸟类表演。

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