Hibernation is a remarkable survival strategy that allows various animals to endure harsh environmental conditions. When animals hibernate, they aren’t actually sleeping; instead, they enter a ...

The cold, dark winter months can make it difficult for animals to find food and water. Hibernation helps some animals survive this time. These animals become inactive to save energy. An animal in ...

For warm-blooded animals that don’t migrate, one way to survive the winter is to sleep through it. Hibernation is a great strategy that enables animals to conserve energy when food is scarce. During ...

We may not even adopt this lifestyle, but some species in the animal kingdom have perfected the art and science of slumber, called ‘hibernation’. To define it in simple terms, hibernation is a ...

A black bear crawls back into its den for torpor, a state of sleep similar to hibernation, in Yellowstone National Park. Bears aren't true hibernators like some animals, but they do enter a state ...

Bears aren't true hibernators like some animals, but they do enter a state of slumber called torpor. Like hibernation, during torpor, the animal's heart rate, body temperature and metabolic rate ...