Chameleon color changes are primarily driven by temperature regulation and emotional state rather than a simple desire to camouflage into their surroundings.

A closer look

Chameleon color changes are primarily driven by temperature regulation and emotional state rather than a simple desire to camouflage into their surroundings. When these bizarre reptiles want to show dominance, attract a mate, or express extreme irritation, they manipulate a layer of specialized nanocrystals under their skin to reflect different wavelengths of light. If a chameleon turns pitch black, it is not trying to hide in the shadows, it is effectively screaming that it is incredibly stressed out. It means these supposedly sneaky masters of disguise are actually walking mood rings that physically cannot stop broadcasting their dramatic emotional baggage to the entire jungle