Komodo dragon Komodo dragon The Komodo dragon ("Varanus komodoensis"), also known as the Komodo monitor, is a species of lizard found in the Indonesian islands of Komodo, Rinca, Flores, Gili Motang, and Padar. A member of the monitor lizard family Varanidae, it is the largest living species of lizard, growing to a maximum length of in rare cases and weighing up to approximately . Their unusually large size has been attributed to island gigantism, since no other carnivorous animals fill the niche on the islands where they live. However, recent research suggests the large size of Komodo dragons may be better understood
Common collared lizard Common collared lizard The common collared lizard ("Crotaphytus collaris"), also called eastern collared lizard, Oklahoma collared lizard or collared lizard, is a North American lizard that can reach in length (including the tail), with a large head and powerful jaws. They are well known for the ability to run on their hind legs, looking like small versions of the popular images of theropod dinosaurs. Chiefly found in dry, open regions of Mexico and the south-central United States including Missouri, Texas, Arizona, and Kansas, the full extent of its habitat in the United States ranges from the Ozark Mountains to southern