Flat-tailed Horned Lizard vs. Blainville's Horned Lizard

They meet only along the western edge of the Colorado Desert (Anza-Borrego and the Coachella Valley); their records overlap there. A: A thin dark stripe down the backbone, pale sandy colour in the Flat-tailed Horned Lizard; no stripe; big dark blotches in the Blainville's Horned Lizard. B: Long, broad and flat in the Flat-tailed Horned Lizard; short and tapering in the Blainville's Horned Lizard. C: Very long and slender in the Flat-tailed Horned Lizard; long and sharp, the middle two longest in the Blainville's Horned Lizard. Both have two rows of fringe scales along each side.

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

More comparisons

• Flat-tailed Horned Lizard vs. Desert Horned Lizard
• Sonoran Horned Lizard vs. Flat-tailed Horned Lizard
• Blainville's Horned Lizard vs. Desert Horned Lizard
• Pygmy Short-horned Lizard vs. Blainville's Horned Lizard

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