A horned chameleon, also known as the Meller's chameleon, is a species of chameleon originating from Madagascar and East Africa. This unique reptile is known for its distinctive horns which look like small branches protruding from its head. Although the horned chameleon is the most common name for this species, it is also referred to as the giant one-horned chameleon, the giant chameleon, the giant one-horned lizard, and the spiny chameleon. Interestingly, the horned chameleon is also known for its remarkable color-changing ability, making it a fascinating creature to observe and study in the wild.