As the globe warms, researchers warn they may be forced to swelter in burrows and under bushes with little time to eat, find mates or rear young.

• 随着全球变暖，研究人员警告，他们可能会被迫困在闷热的洞穴和灌木丛中，几乎没有时间进食、寻找配偶和培育后代。