Chuckwalla

Sauromalus obesus

Biome: Great Southwest

Classification: Reptiles

Biography: The chuckwalla is one of the largest lizard species found in the Sonoran desert, second only to the Gila Monster. Chuckwallas are crevice dwellers. When pursued by a predator, chuckwallas crawl between rocks and puff themselves up, making it impossible to remove them.

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