Chameleon is a lizard that is able to change a color of its body. During hunting chameleons, as a rule, sit a long time on branches of trees. The body of an animal thus remains motionless, but eyes constantly move. In three seconds the chameleon can distinguish and catch with its tongue up to four insects. Change the color of the body of chameleons occur under the influence of external stimuli — temperature, light and humidity, and as a result of hunger, thirst, fright, irritation. While sleppinig they lose control over skin color, turn pale and become noticeable for predators.