Timber rattlesnake (Crotalus horridus) exhibiting behavior driven by unseasonably warm weather and thermoregulation at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. It is taking advantage of the mild Texas winter to warm up (thermoregulate) before returning to its den when temperatures drop again at night. Texas

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College Station - Lake Somerville, Texas, December 13 - 14, 2025

Album 3789: College Station - Lake Somerville, Texas, December 13 - 14, 2025

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