Green anoles (Anolis carolinensis) morphs from green to brown, and it is not known why. In this experiment, the effect of stress levels and the correlation of light levels and temperature on the frequency and duration of color change in A. carolinensis will be tested. I hypothesize that stress levels in addition to environmental conditions such as light and temperature affect color change in A. carolinensis. This research will provide insight into an unusual behavior of a common lizard.