Hibernation - Wikipedia
网页Hibernation is a seasonal heterothermy characterized by low body-temperature, slow breathing and heart-rate, and low metabolic rate. It is most commonly used to pass through winter months – called overwintering.
Hibernation | Winter Sleep, Torpor & Adaptation | Britannica
网页2024年9月19日 — Hibernation, a state of greatly reduced metabolic activity and lowered body temperature adopted by certain mammals as an adaptation to adverse winter conditions. A brief treatment of hibernation follows. For full treatment, see dormancy.
Hibernation: Nature’s Nap Time - U.S. National Park Service
网页2021年9月13日 — While hibernation is often used to describe any animal that goes into dormancy in the winter, there are three very specific requirements for an animal to be considered a true hibernator: reduced metabolism, …
How Hibernation Works - HowStuffWorks
网页2024年5月28日 — Hibernation is a state where animals significantly reduce their metabolic rate, body temperature, heart rate and breathing to conserve energy during periods when food is scarce. Unlike sleep, which is primarily a mental change, hibernation involves drastic physiological changes, and waking a hibernating animal can be fatal due to the high ...
What is hibernation, how does it work, and which animals do it?
网页Discover the difference between hibernation, aestivation, torpor and denning, and learn which animals do them, when, why and how.
Animals Don't Actually Sleep for the Winter and Other Surprises …
网页2017年10月12日 — What is hibernation? Despite what you may have heard, species that hibernate don’t “sleep” during the winter. Hibernation is an extended form of torpor, a state where metabolism is depressed to...
Some Animals Don’t Actually Sleep for the Winter, and ... - Education
网页2024年9月6日 — What Is Hibernation? Despite what you may have heard, species that hibernate don’t “sleep” during the winter. Hibernation is an extended form of torpor , a state where metabolism is depressed to less than five percent of normal.
Not just sleep: all about hibernation - Curious - Australian …
网页Hibernation is a way animals conserve energy to survive adverse weather conditions or lack of food. It involves physiological changes such as a drop in body temperature and slowed metabolism. Research into the processes involved in hibernation could result in medical benefits for people.
Why Do Some Animals Hibernate? | Britannica
网页Several factors can influence hibernation. In regions where the winter is relatively mild, animals may hibernate for only brief periods or not at all. During periods of long hibernation, many animals will rouse briefly to go to the bathroom and eat a …
Understanding Hibernation - Scientific American
网页2000年9月22日 — Before descending into a long winter's nap, a mammal's body temperature falls to near freezing. During hibernation, the creature periodically wakes up, warms up and sinks back into its chilly...