Poisonous species often evolve bright warning colors, which have been reproduced by nonpoisonous species or by other, similarly poisonous species, hoping to fend off curious predators.

• 有毒的物种通常进化出鲜明的警告颜色，这一点已经被无毒的物种或近乎有毒的一些物种所复制，以便吓跑好奇的天敌。