CLASS: Reptilia ORDER: Squamata size: 6-13 in. (15-35 cm.) distribution: Highlands of East Africa, introduced into some of the islands of Hawaii. habitat: Cool mountain forests. diet: insects and other small arthropods Jackson's Chameleon looks like a miniature dinosaur, but it is a lizard. The horns are made of a material much like your fingernails. The males are extremely territorial and use their horns to joust with other males. The females have a much smaller nose horn or no horns at all. Only a few other chameleons bear horns. Almost all chameleons have the helmet-like casque on the head, flattened body with arched back, toes in opposing pairs for grasping twigs and a prehensile tail. Chameleons are most famous for their ability to change colors. Chameleons cannot change color to match their surroundings. Chameleons change their color as a response to temperature, or to communicate with other chameleons. Chameleons that are defending territory or excited by a mate can change into the most spectacular colors. blues, and A Jackson's Chameleon can change from a dull brownish color to a pattern of greens, black or can become a uniform bright green. The chameleon has a Y-try long tongue. The chameleon can extend its tongue as far as one and a half times its body length and can zap its prey with speed and accuracy. When not in use, the tongue lies in the bottom of the chameleon's, mouth. To strike an insect, the chameleon opens its mouth slightly and specialized muscles suddenly contract, throwing out the tongue. Excellent binocular vision provides accuracy in aiming; a sticky bulb at the end of the tongue grabs the prey. Muscles in the tongue con trol distance and snap it back in. The eyes of chameleons are unique in the animal world. The eye is enclosed in a dome-like turret which can rotate in any direction. Each eye can see 180 degrees. Both eyes can look in the same direction or in 2 different directions at the same time.