Compare two species

Common Side-blotched Lizard vs. Desert Collared Lizard

Both live in southern Idaho. The Common Side-blotched Lizard has a dark blotch on the side just behind the front leg and tiny grainy back scales; the Desert Collared Lizard has two black collars across the neck, a big broad head and tiny grainy scales. A: Common Side-blotched Lizard, a dark blue-black blotch on the side just behind the front leg; Desert Collared Lizard, two black collars across the neck. B: Common Side-blotched Lizard, tiny, grainy scales: not spiny; Desert Collared Lizard, tiny, grain-like scales. C: Common Side-blotched Lizard, speckled with pale blue (males) or dark blotches and pale stripes (females); Desert Collared Lizard, small pale spots and crossbars.

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Common Side-blotched Lizard

Uta stansburiana

Desert Collared Lizard

Crotaphytus bicinctores

Photographs via iNaturalist under Creative Commons licences; the photographers are credited on the sheet.

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