This type of lizard loves to spend its days ... which means their skins have a rainbow-like effect in the sun. Non-venomous, these reptiles can grow up to 6 feet in length, so an appropriately ...

The Gila monster's bite may be agonising, but humans have been using the lizard's venom to save lives. Over 30 years ago scientists discovered the potential of Gila monster venom as a treatment for ...