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Why do chameleons change color

#chameleon Chameleons are famous for their quick color-changing abilities. It's a common misconception that they do this to camouflage themselves against a background. In fact, chameleons mostly change color to regulate their temperatures or to signal their intentions to other chameleons. Since chameleons can't generate their own body heat, changing the color of their skin is a way to maintain a favorable body temperature. A cold chameleon may become dark to absorb more heat, whereas a hotter chameleon may turn pale to reflect the sun's heat. Chameleons will also use bold color changes to communicate. Males become bright to signal their dominance and turn dark in aggressive encounters. Females can let males know if they're willing to mate by changing the color of their skin. Owners of chameleons can learn to read their pet's mood based on the color of its skin.