All that movement makes it hard for predators to see individuals in a large group.
所有这些运动使得捕食者很难在一个大群体中看到个体。
Now they want to burn large sections of the forest, to clear it of predators.
现在为了清理捕食者，他们要燃烧大片森林。
Top predators are key to keeping populations of key species from growing too large.
大型捕食者是使主要的物种种群不会生长过大的关键因素。
The finger-size fish form large schools to try to confuse predators.
这些手指大小的鱼儿结成巨大的鱼群，以蒙蔽捕猎者。
The finger-size fish form large schools to try to confuse predators.
这些手指大小的鱼儿结成巨大的鱼群，以蒙蔽捕猎者。
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