Huge monitor lizards have invaded the state, and the rest of the U.S. is one unlucky boatload away. The speckled body of the Nile monitor lizard can reach up to 2 meters in length. At one end is a powerful tail that propels the animal through water and whips attackers with surprising force. At the other is a sinuous head that will devour rodents, birds, fish, crocodile eggs, and pretty much anythi