Charles Blagden's 1774 self-experiment in extreme heat demonstrated that mammals maintain stable body temperatures, but recent research shows many animals employ heterothermy, varying their body temperature to survive harsh conditions. Scientists have found that heterothermic species like bats, lemurs, and mice use torpor—ranging from brief shallow periods to extended hibernation—in response to weather, food scarcity, and predator threats, providing advantages homeothermic animals cannot match.
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Charles Blagden's 1774 self-experiment in extreme heat demonstrated that mammals maintain stable body temperatures, but recent research shows many animals employ heterothermy, varying their body temperature to survive harsh conditions. Scientists have found that heterothermic species like bats, lemurs, and mice use torpor—ranging from brief shallow periods to extended hibernation—in response to weather, food scarcity, and predator threats, providing advantages homeothermic animals cannot match.