Northern Curly-tailed Lizard vs. Peters's Rock Agama

Curly-tails and Peters's Rock Agamas both run on walls, rocks and sidewalks in south Florida's towns; females and young of both are brown. A: A small, narrow head in the Northern Curly-tailed Lizard; a big, broad head with an open ear hole in the Peters's Rock Agama. B: Curled, with dark bands in the Northern Curly-tailed Lizard; long and straight; males with an orange band in the Peters's Rock Agama. C: Grey-tan with rough, keeled scales; no bright blotches in the Northern Curly-tailed Lizard; females with yellow or orange blotches on the sides in the Peters's Rock Agama. Breeding male agamas are unmistakable: blue-black with an orange head.

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

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