Chameleons or chamaeleons

Chameleons or chamaeleons (family Chamaeleonidae) are a distinctive and highly specialized clade of Old World lizards with 202 species described as of June 2015.[1] These species come in a range of colors, and many species have the ability to change color.

Chameleons are distinguished by their zygodactylous feet; their swaying gait;[2] and crests or horns on their brow and snout. Most species, the larger ones in particular, also have a prehensile tail. Chameleons' eyes are independently mobile, but in aiming at a prey item, they focus forward in coordination, affording the animal