Protective coloration in an animal or insect, characterized by darker coloring of areas exposed to light and lighter coloring of areas that are normally shaded.

反荫蔽动物或昆虫的保护颜色，特点是在浅色的地方呈现深色，在通常有荫蔽的地方呈浅色。

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Protective behaviors of amphibians include hiding in the presence of danger and having coloration so closely matching the environment that the animal is not obvious.

两栖类动物的避险行为包括遇敌十躲藏，变化体色与环境相近，于是就不太显眼了。

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