The Veiled Chameleon (Chamaeleo calyptratus), also called the cone-head chameleon, Yemen chameleon, and Yemeni chameleon, is a species of chameleon (family Chamaeleonidae) native to the Arabian Peninsula in Yemen and Saudi Arabia. It is an introduced species in Hawaii and Florida. They are born pastel green and without their distinctive casques on their head.
They grow this as well as become more colorful as they mature. They are known for their variable color changes due to a variety of factors, including to show aggression, social status, reproduction, and stress. Female lifespan is around 5 years while male lifespan is around 8, and they breed a few times a year.