A desert iguana photo shows it to be much smaller than pictures of other varieties. These lizards are large, with a long tail, small head and sturdy legs. The body length without the tail is about 6 inches; the tail is 1.5 times longer. The skin color is light sand with dark bands and stripes. A large crest is situated along the center of the back and diminishes on the tail. A desert iguana photo shows it to be much smaller than pictures of other varieties.

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