Clark’s Spiny Lizard

Clark’s Spiny Lizard (Sceloporus clarkii) is a large, rugged, heavily armored arboreal lizard native to the oak-dotted canyons, riparian gallery forests, and desert ranges of the American Southwest and Mexico. Named in honor of American naturalist John H. Clark,...

Granite Night Lizard

The Granite Night Lizard (Xantusia henshawi) is a master of extreme architectural crypsis, exquisitely adapted to a life spent entirely inside narrow cracks of exfoliating granite boulders in the mountains of Southern California. With its remarkably flattened,...

Yuman Desert Fringe-toed Lizard

The Yuman Desert Fringe-toed Lizard (Uma rufopunctata) is a specialized sand-dwelling reptile endemic to the wind-swept dune systems of the Gran Desierto de Altar and coastal Sonora along the Sea of Cortez. Named for the reddish-orange or rust-colored spots dotting...

Mearns’s Rock Lizard

The Blue Spiny Lizard (Sceloporus cyanogenys) is one of the most stunning, brilliantly colored reptiles in North America. Inhabiting the sun-scorched limestone canyons and thorn scrub of southern Texas and northeastern Mexico, adult males of this large, armored lizard...

Twin-spotted Spiny Lizard

The Twin-spotted Spiny Lizard (Sceloporus bimaculosus) is a large, heavily armored reptile native to the sun-baked canyon cliffs and rocky slopes of the Chihuahuan Desert. Easily distinguished by its sharp, overlapping keeled scales and two prominent dark blotches or...
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