Reasons for animal hide, completely different. Some are trying to protect against encroachment predators, while others are hiding in order to quietly watch for prey. Let's take a look at the photos hidden.
However, most of the animals are hiding all the same for their own safety. At the genetic level, each generation adapts to the environment better. After all, nature is also changing. Some species are able to change their color, and the most striking example is the chameleon. However, do not forget about the seasonal change of color.