Painted Turtles Basking
When a Painted Turtle crawls out of the roughly 39° F. degree mud at the bottom of a pond in early spring, it immediately heads to the nearest log or rock to bask and raise its body temperature. Turtles are ectothermic (cold-blooded) and must rely on external sources for the regulation of their body temperature. Thermoregulation is achieved both physically and behaviorally. A dark carapace (top shell) absorbs the sun’s heat, warming up the turtle’s internal temperature and the turtle regulates its temperature by shuffling in and out of the sun. It is imperative for the core body temperature of male Painted Turtles to reach 63° F., for only then can they start to produce sperm.
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