Long-tailed Brush Lizard

Urosaurus gracious

Urosaurus graciosus Photo © by Michael Plagens

Observed along the National Trail, South Mountains, Phoenix, Arizona on 14 March 2009.

Phrynosomatidae -- North American Spiny Lizard Family

Similar to the Ornate Tree Lizard (Urosaurus ornatus), but with a much longer tail. A common Arizona lizard in the southwestern portions of the Arizona Sonoran Desert especially on rocky bajadas and high wash banks. Guide books point to a single, wide row of keeled scales down the middle of the dorsum - but I find I cannot see this trait on specimens in the field.

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More Information:

Sonoran Desert Field Guide
Sonoran Desert Places
Sonoran Desert Naturalist Home Page

Copyright Michael J. Plagens, page created 17 March 2009.