他们研究动物如何保护自己免受捕食者的伤害，以及哪些动物会捕食其他动物。
They study how animals protect themselves from their predators, and which animals kill other animals for food.
并不是所有的工作都很艰苦——我们会请嘉宾演讲和讨论如何保护该地区的动物。
It's not all hard work—we have guest speakers and discussions about how to protect animals in the area.
让我们看看这些动物是如何想办法保护它们的孩子的。
Let's see how these animals find ways to protect their children.
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