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Desert Night Lizard vs. Common Side-blotched Lizard

Both are small, grey-brown, spotted lizards of the deserts; their records overlap widely. A: No dark blotch in the Desert Night Lizard; a dark blotch in the Common Side-blotched Lizard. B: Velvety, with many small black spots in the Desert Night Lizard; blotched or speckled, often blue-flecked on males in the Common Side-blotched Lizard. The night lizard has no eyelids (it never blinks) and stays under fallen yucca and Joshua tree.

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Desert Night Lizard

Xantusia vigilis

Common Side-blotched Lizard

Uta stansburiana
Desert Night Lizard vs. Common Side-blotched 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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