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Sonoran Collared Lizard vs. Eastern Collared Lizard

They meet where the Sonoran Desert of south-central Arizona reaches the rocky hills of the centre. A: Grey-brown with faint yellow-orange crossbands in the Sonoran Collared Lizard; green, blue or yellow (males), brown in females in the Eastern Collared Lizard. B: Pale dots between dark spots, bigger on top of the back in the Sonoran Collared Lizard; small pale spots in the Eastern Collared Lizard. Both have round tails without a pale stripe.

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Sonoran Collared Lizard

Crotaphytus nebrius

Eastern Collared Lizard

Crotaphytus collaris
Sonoran Collared Lizard vs. Eastern Collared 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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