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Crevice Spiny Lizard vs. Southwestern Fence Lizard

Young Crevice Spiny Lizards are fence-lizard sized and live on the same rocks (records share 47 one-degree squares). A: A black collar edged white in the Crevice Spiny Lizard; no collar; two pale stripes down the back in the Southwestern Fence Lizard. B: Young: bold dark crossbands and a ringed tail in the Crevice Spiny Lizard; small even as adults (to 3 in head and body), with stripes, not bands in the Southwestern Fence Lizard.

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Crevice Spiny Lizard

Sceloporus poinsettii

Southwestern Fence Lizard

Sceloporus cowlesi
Crevice Spiny Lizard vs. Southwestern Fence 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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