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Western Earless Lizard vs. Greater Short-horned Lizard

Both are small grey or brown lizards of the western sandhills and shortgrass. A: the Earless Lizard is slim, with a long tail, no horns and no ear openings; the Short-horned Lizard is flat and round, with short horns at the back of the head, spiky scales and a short tail. B: the Earless Lizard runs fast and dives into sand; the Short-horned Lizard relies on camouflage and sits still.

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Western Earless Lizard

Holbrookia maculata

Greater Short-horned Lizard

Phrynosoma hernandesi
Western Earless Lizard vs. Greater Short-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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