Snoozing through winter: wildlife that hibernates
Animals that sleep through the cold and snow
Why brave the cold and dark when you can sleep through the worst of winter? That's exactly what some members of the animal kingdom do. Called hibernation, this blissful state of inactivity functions as a way of escaping sub-zero temperatures, conserving energy when food stocks are low, and even gestating young while pregnant.
Browse the gallery and find out which animals like to doze when the temperature drops.
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