Why and how does a chameleon change it's colors?

Many people think chameleons change the color to blend into their environment. But this is not true. Studies show that light, temperature and mood changing colors of chameleons.

Sometimes the color changes can make the chameleon more comfortable. It is sometimes useful to communicate with other chameleons Light: Tell a brown chameleon decides to rest in the sun. The chameleon's brain may tell the yellow cells in its skin to become larger than the blue cells below.

Suddenly the chameleon turns green. This lighter color helps the skin to reflect sunlight Temperature: If a chameleon is cold, it can turn a darker color. Why?

Because dark colors absorb more heat than light ones Humor: Humor can also cause color changes. For example, if a panther chameleon gets angry, red and yellow replace its normal color. A chemical called melanin rises toward the surface of the skin, causing areas of the skin to darken.

New look at the animal tells other chameleons "I'm ready to fight! When a male wants to attract a female, he will wear his most flashy colors, as if to say, " want to hang out?

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