Emperor Penguins' Unique Adaptation

Emperor penguins combat Antarctica's extreme cold by paradoxically allowing their plumage to cool below the surrounding air temperature. This phenomenon, known as extreme radiative cooling, occurs because their feathers radiate more heat to the colder sky than they absorb from the surrounding air, causing the surface temperature of their plumage to drop below that of the air. This adaptation helps them minimize heat loss and maintain their core body temperature.

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