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Texas Horned Lizard vs. Desert Horned Lizard

Their ranges only touch at the edges in Arizona (Texas in the southeast, Desert in the west and north). A: Two or three dark lines running down from the eye in the Texas Horned Lizard; no dark lines from the eye in the Desert Horned Lizard. B: Two rows in the Texas Horned Lizard; one row in the Desert Horned Lizard. C: A crisp pale stripe down the middle in the Texas Horned Lizard; no pale stripe in the Desert Horned Lizard.

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Texas Horned Lizard

Phrynosoma cornutum

Desert Horned Lizard

Phrynosoma platyrhinos
Texas Horned Lizard vs. Desert Horned Lizard: comparison sheet with the differences marked

Photographs via iNaturalist under Creative Commons licences; the photographers are credited on the sheet.

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