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Keeled Earless Lizard vs. Greater Earless Lizard

They meet in the brush country of southern Texas. A: No black bars: plain white in the Keeled Earless Lizard; bold black crossbars on white, flashed when the tail curls up in the Greater Earless Lizard. B: Tiny but keeled in the Keeled Earless Lizard; tiny, smooth and grain-like in the Greater Earless Lizard. Greater Earless males have two long curved bars far back on the side; the Keeled Earless Lizard's two short bars sit just behind the front leg.

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Keeled Earless Lizard

Holbrookia propinqua

Greater Earless Lizard

Cophosaurus texanus
Keeled Earless Lizard vs. Greater Earless 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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