Photo by Chris Brown

Scientific name: Phrynosoma platyrhinos

Common name: Desert Horned Lizard

Size: 2.5-3.75 in (6.4-9.4 cm)

Distinguishing characters: A distinctive flat-bodied species; one row of fringed scales down sides; one row of slightly enlarged scales on each side of the throat; beige, tan or reddish dorsum with contrasting, wavy blotches of darker color; pointed scales on dorsum of body; two large dark blotches on neck.

Juveniles: Similar to adults; cranial spines shorter and less pronounced.

Dimorphism: Male has broader tail at base, enlarged postanal scales, and femoral pores; adult females are larger than adult males.

Similar species: Phrynosoma coronatum: Has less blunt snout; two rows of spines on sides of body and lower jaw.

Additional notes: Individuals may eject blood from eyes when handled. A gentle species that is easily handled, although may try to push cranial spines into hands while held.

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