![]() But during winter, they feel a lack of that energy. ![]() While we already know that the lack of food is one of the reasons behind winter sleep in animals, other animals may have varied reasons for hibernation.Įndothermic mammals, the warm-blooded ones, are believed to need a constant energy source to keep going. When someone asks why do animals hibernate, the answer is due to extreme weather. Getting the Energy for Endothermic Mammals is Essential.However, a few animals wake up occasionally, have food, and go into a deep slumber again. Once the winter is gone, they start storing their food. Animals have adopted the habit of hibernating so they can wake up. It is because they cannot have enough food to survive the longest months of winter.ĭuring the cold months, the animals do not get enough insects to eat, which is one of the most important reasons why they feel the need to survive without any food. The winter sleep in animals is not just because of the extreme cold. Lack of food is one of the reasons if you ask why do animals hibernate. Here, we have mentioned various reasons why animals hibernate. ![]() So, you can see that while some animals hibernate, others do not. Bats hibernate because they build brown fat, which helps them accumulate energy in their bodies, but frogs have a completely different reason. So, why do some animals hibernate in winter? The answer to this question is different for different animals. So, why do animals go into hibernation? Is it just a way for them to survive the winter? In this article, we are about to figure out why do some animals hibernate in winter. During this time, an animal’s heart rate slows down, its body temperature draws, and the body becomes almost cold. But an animal's hibernation is a dramatic process, changing the metabolism and heart rate of an animal. This happens due to having hardly any food to live on. Certain animals go into a long slumber to survive the long winter months without food. They, too, need to relax during the long winter months for survival. This is not different in the case of animals. Of course, during the cold winter months, relaxing in bed seems more comfortable than anything else in the world. ‘Hibernation’ derives from the Latin word ‘Hibernare’, which means ‘to pass the winter’.
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