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#basking #desert reptile #cold blooded

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#desert snake #cactus snake #desert reptile #rattlesnake #viper

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#basking #thermoregulation #desert reptile #snake habitat #cold blooded #ectotherm

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#Southwest USA #desert reptile #american southwest #sauromalus #endemic

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#thorny devil #australian lizard #moloch horridus #desert reptile #spiky lizard #australian wildlife