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Yarrow's Spiny Lizard vs. Western Fence Lizard

Western Fence Lizards are everywhere around Idyllwild. A: A broad black collar, edged white in the Yarrow's Spiny Lizard; no collar; dark wavy bars across the back in the Western Fence Lizard. B: Black-edged with pale centres: beaded in the Yarrow's Spiny Lizard; brown or grey, keeled and pointed in the Western Fence Lizard.

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Yarrow's Spiny Lizard

Sceloporus jarrovii

Western Fence Lizard

Sceloporus occidentalis
Yarrow's Spiny Lizard vs. Western 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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