在错综复杂的生态系统中,各种动物都处于食物链的特定位置上。无时无刻的生存竞争,又使相对弱势的动物常处于被攻击和捕食的危险境地。但是,为什么直到现在,世界上的弱势动物没有因此而灭绝呢? 原来,经过漫长时期的自然选择,它们逐渐进化出许多“虎口逃生”的绝技。其中,有的逃生技能的奇特与精妙,令人类也不由叫绝! In a complex ecosystem, all kinds of animals are in specific locations in the food chain. Survival and competition all the time, but also the relatively vulnerable animals are often at risk of attack and predation. However, why did the world's most vulnerable animals not be extinct until now? Originally, after a long period of natural selection, they gradually evolved many stunts for “tiger's mouth and escape.” Among them, some of the strange and exquisite skills to escape, so that humans are not called!