"I love them. They're just such a cool little lizard that most people don't even know are here," Cale Morris, venom manager at the Phoenix Herpetological Sanctuary and a chuckwalla enthusiast ...

popped open its bright orange "frill neck," and ran straight toward him. And the tricky reptile didn't stop there. Once it approached the man, the frilled lizard kept going, running up the man's ...