Texas Horned Lizard vs. Roundtail Horned Lizard
Both live on the gravelly flats and valleys of far southeastern Arizona along the New Mexico line. A: Two rows of pointed fringe scales along each side in the Texas Horned Lizard; no fringe at all in the Roundtail Horned Lizard. B: Two long horns at the back of the head in the Texas Horned Lizard; four short, widely spaced spikes in the Roundtail Horned Lizard. C: Two or three dark lines running down from the eye in the Texas Horned Lizard; no dark lines from the eye in the Roundtail Horned Lizard. D: Broad and flat, fringed at the sides; a pale stripe down the back in the Texas Horned Lizard; thin and round, with dark bands in the Roundtail Horned Lizard. E: Big: to 5 in (13 cm) head and body in the Texas Horned Lizard; small: to 2.75 in (7 cm) head and body in the Roundtail Horned Lizard.
Open this comparison in Wildsight
Photographs via iNaturalist under Creative Commons licences; the photographers are credited on the sheet.
More comparisons
- Texas Horned Lizard vs. Desert Horned Lizard
- Texas Horned Lizard vs. Greater Short-horned Lizard
- Texas Horned Lizard vs. Regal Horned Lizard
- Roundtail Horned Lizard vs. Desert Horned Lizard
- Roundtail Horned Lizard vs. Greater Short-horned Lizard
- Roundtail Horned Lizard vs. Regal Horned Lizard
Wildsight identifies the reptiles and amphibians of the United States. Every comparison