How do lizards change color? Lizards change colors when they are frightened or sense a change of temperature or environmental changes. They have hormones that affect pigments-bearing cells that causes the color change. Their color does not always
change color to their surroundings as commonly believed. This is like the daytime when the sky is blue. This is how lizards change color. There are lizards in the U.S that change color like this there called Angos. Chameleons do this also.
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