在没有捕食者的情况下，那些在食物、庇护所、巢穴据点和其他环境资源方面最具竞争力的物种往往会占据主导地位，并拒绝接纳那些与之竞争的物种。
Without predators, the species that is the best competitor for food, shelter, nesting sites, and other environmental resources tends to dominate and exclude the species with which it competes.
如果他没有找到庇护所，他的体温会变得很低，最终会让他致命。
If he didn't find a shelter, his body temperature would get very low, which could quickly kill him.
没有遮风挡雨的庇护所。
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