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Eastern Collared Lizard vs. Long-nosed Leopard Lizard

Both are big, fast lizards that run on their hind legs, on rocky and open ground across much of Arizona. A: Two black collars in the Eastern Collared Lizard; no black collars in the Long-nosed Leopard Lizard. B: Many small pale dots, often on green in the Eastern Collared Lizard; big dark spots on tan or grey, or pale lace-like lines in the Long-nosed Leopard Lizard. The Leopard Lizard has a long, narrow head; the Collared Lizard a big, broad one.

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Eastern Collared Lizard

Crotaphytus collaris

Long-nosed Leopard Lizard

Gambelia wislizenii
Eastern Collared Lizard vs. Long-nosed Leopard 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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