My previous post showed a couple of close-ups of an anole lizard I photographed while watching it change colors. These next three photos show the same thing, but in a little more detail.
Taken with a Canon 5D Mk II camera with a 70-200mmL f2.8 II lens.
Green on Green:
Beginning the Gradual Color Change:
Color Change Complete:
Where The Trails Take You Photography 
Amazing!