Jackson's chameleon

Jackson's chameleon is a lizard with three little horns on its head, like a tiny dinosaur. Originally from East Africa, it now also lives in Hawaii and parts of the U.S. mainland. Males use their horns to push rivals off branches.

• Males have three distinct horns; females usually have none.
• Originally from East Africa, but introduced to Hawaii and parts of the U.S.
• Belongs to the chameleon family, known for color-changing skin.