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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比如说，像小鹿或者山羊这种被捕食的种群，它们的代表动作就是突然快速逃跑的动作和突然转弯；相反的，猫科动物之类的捕食种群会练习潜行追踪、猛扑和撕咬等动作。

Prey species, like young deer or goats, for example, typically play by performing sudden flight movements and turns, whereas predator species, such as cats, practice stalking, pouncing, and biting.

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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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