Sauromalus ater
From Wikimedia Commons, the free media repository
 Sauromalus ater (left) and Sceloporus occidentalis (right) at Boston Museum of Science |
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 Western chuckwalla Sauromalus ater |
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 Location: Anza-Borrego Desert State Park, California. Observed during hike up Palm Canyon. |
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 at Columbia Pass, Spring Mountains, Nevada |
 Anniversary Narrows, Lake Mead, Nevada |
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