
Yemen Chameleon (Chamaeleo calyptratus)
An omnivore Chameleon often kept as a pet, despite being very sensitive to stress. The color of this specie changes based on its emotional state as well as environmental factors. You can see how this fella has recently changed its skin, or is in the process of doing so.

The veiled chameleon, ''Chamaeleo calyptratus'', is a large species of chameleon found in the mountain regions of Yemen, United Arab Emirates and Saudi Arabia. It is also sometimes referred to as the Yemen Chameleon.
The male veiled chameleon is green in color and, depending on the animal's emotional state, this green will range from a bright lime green to a red olive drab. Surroundings only partly contribute to a chameleon's "decision" to change color. The green base color is marked.. more