Chameleons are known for their ability to change color, and Labord's chameleons are no different. Their skin changes color by expanding and contracting special cells that contain nanocrystals ...

While darker male wall lizards are more aggressive and often win, their color does not seem to affect how rivals react to them. More than their color and size, the lizards' behavior influences ...

Uromastyx lizards vary in size depending on the species. They can grow anywhere from 10 inches to 36 inches in length and weigh up to two kilograms. The skin color in some uromastyx lizards ...