Granite Spiny Lizard vs. Common Side-blotched Lizard

Their ranges overlap (checked against both species' records). The Granite Spiny Lizard has a big, very spiny lizard with a broad black collar on the shoulder and a blue-green or purple sheen; the Common Side-blotched Lizard has a dark blotch on the side just behind the front leg and tiny grainy back scales. A: Granite Spiny Lizard, a broad black collar on the shoulder, in front of the front leg; Common Side-blotched Lizard, a dark blue-black blotch on the side just behind the front leg. B: Granite Spiny Lizard, big, keeled, very spiny scales; Common Side-blotched Lizard, tiny, grainy scales: not spiny. C: Granite Spiny Lizard, dark, flecked blue-green, a purple-brown band down the back; Common Side-blotched Lizard, speckled with pale blue (males) or dark blotches and pale stripes (females).

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Wildsight identifies the reptiles and amphibians of the United States. Every comparison