Endothermy is the ability of warm-blooded animals to control their body temperatures through internal means such as muscle shivering, fat burning, and panting.
In his "Ode to Spot," Data noted that Spot was an "endothermic quadruped, carnivorous by nature." (TNG: "Schisms")
The Voth referred to mammalian species as "endotherms." (VOY: "Distant Origin")
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