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California Desert’s Commonest Lizard Has Uncommon Evolutionary Lesson in Store

If you’ve ever gone for a walk on a warm day on a narrow desert trail, you’ve almost certainly noticed little lizards scurrying away from you just as you arrive at their hiding places. Most of the time you wouldn’t have seen them if they’d stayed put in the rocks or vegetation along the trail, but something hard-wired into their brains makes them burst out into the open as you pass. Leer más.

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