As a way of preparing, the queen bee will fill up with pollen and plump up during the spring and summer months. Males start hibernating before the females. Bats hide away in caves, old mine shafts, cavities of trees, or attics during winter. These underground winter spaces are very perfectly structured, with strategically hollowed-out tunnels. The frog will then be ready to find a mate for reproduction until the next winter sets in. As a means of preparing for winter chipmunks collect as much food as possible in the months of summer and autumn. Usually, they prefer comfort locations, where they can curl up with their families in underground tunnels all year round for sleeping. Prairie dogs also get into a light hibernation. This means that such animals will have to depend on heat sources from the outside environment. Lizards hibernate till early spring until the temperature warms up, after which they will begin to feed on small insects and spiders around the yard. They hibernate in two ways: some are light sleepers while others are deep sleepers. When hibernating, if you could see them, you would see a group of these animals snuggled up, around five of them at a time. Bats hibernate in a cycle unlike any other animal. When it comes to hibernating, mammals, reptiles, and amphibians are fair game for this long rest. Ladybugs prefer hibernating in warm and comfortable spots over the cold month of winter. However, in more temperate locations, groundhogs will hibernate only for little as three months. Aerobic geckos hibernate in partially hollow trees, so they can settle well and stay insulated, even during harsh winters, with restful sleep. Hibernation enables the mouse lemurs to conserve energy since food and water are in short supply during winter. Hummingbirds are one of those animals that can enter into a light hibernation or rather into a state of torpor at variable times during winter. Garter snakes While many animals hibernate alone, hibernation in garter snakes is a group activity. Ground squirrels design and maintain an elaborate network of rooms for food storage, sleep and even to urinate …just like bathrooms. Although traditionally reserved for "deep" hibernators such as rodents, the term has been redefined to include animals such as bears and is now a… Bears hibernate from winter through to spring which on average is about six months, after which bears wake up to feed, mate, and give birth to cubs. When winter sets in, most of us have probably witnessed the occasional sight of hundreds …sometimes thousands of ladybugs gathered together. Let's also learn why do animals hibernate, from the information given in the following article. The majority of animals that hibernate are found in the northern and extreme southern areas of the globe — the colder climates of the world. At this time, they survive on the fats that are stored up in their tails. Some animals hibernate (go into a deep sleep) so they can survive throughout the cold season when the weather is freezing and the food is scarce. In the same way we might ask why oranges are orange, and apples are green and red, it’s common for us to ask - why is wood brown? The species of turtles known as the common box turtles are found around USA and Mexico (Southern... 2. There have been previously reported winter dens containing around 8000 snakes that have come together in one den to hibernate, moving around on top of each other. Advertisement - Continue Reading Below. Not all bats hibernate, some species of bats do choose to hibernate, whereas some choose to migrate to warmer... 2. Marmots hibernate in burrows. Also, many insects, amphibians and reptiles. Amusingly, the turtles are susceptible to their environment such that if they wake up too early, they may not survive. Their heart rate drops from 120 beats per minute to six, and their breathing is very slow. True hibernators are categorized as animals that can reduce their body temperature below 20 degrees Celsius. None of our wetland bird species hibernate, and have instead developed adaptations to deal with the cold – such as migration. Amazon also donates to wild-life related charities! Poorwills “hibernate” the way they nest—on the ground, where their mottled brown camouflage renders them almost invisible. Which animals hibernate? According to the mainstream scientific media, animal hibernation is only exclusive to the living clades of mammals and one species of birds (the common poorwill) who is known to enter into a state of hibernation normally characterized by long periods of dormancy (during winter) … Common poorwills are by far the only birds that are known to truly hibernate. Rabbits, shrews, mice and more seemingly disappear. Hibernation is a seasonal heterothermy characterized by low body-temperature, slow breathing and heart-rate, and low metabolic rate. Bats can actually fall into a deep sleep for up to six months or more, making them true long-term hibernators. During winter a chipmunk’s body temperature drops drastically and they enter into light hibernation. All maps, graphics, flags, photos and original descriptions © 2020 worldatlas.com. This way of hibernation helps marmots to stay warm and reduce the loss of energy while hibernating. We've created some fun resources that might help, whether you are studying the hedgehog or the bear, the frog or a hibernating snake. Some animals really do hibernate in winter. Find out more about Skunks hibernating in Winter. When the weather peaks at extremely cold temperatures, ladybugs get into light hibernation until early spring. Animals that hibernate stay in their den, burrows, or shelter for weeks or even months at a time. Animals enter hibernation during winter to conserve energy by going into a deep sleep-like state. Hibernating animals have something in their blood called HIT, or Hibernation Inducement Trigger. When we talk about the different methods that animals use to survive the winter, hibernation is often at the top of the list. Especially bears in warmer climates like the Andian Bear, where they can find plenty of food all year round, so they have little reason to hibernate. Bears hibernate from winter through to spring which on average is about six months, after which bears wake up to feed, mate, and give birth to cubs. The majority of animals that hibernate are found in the northern and extreme southern areas of the globe — the colder climates of the world. Both warm-blooded and cold-blooded animals hibernate, including some species of chipmunks, hedgehogs, frogs, turtles, and even some fish. The animal's body temperature drops, and its heartbeat and breathing slow down. Bears more likely enter a state of torpor, from which they can easily be woken from – unlike heavy hibernators, who get into a deep sleep. Bears are, of course, one of the most well-known animals to hibernate, but there are many more animals that hibernate. Only three British mammal groups truly hibernate. Bumblebees are one of those surprising animals that actually hibernate. Mouse lemurs are among the most endangered of all vertebrates. Many other animals also hibernate. Therefore, hibernation periods can vary depending on the weather that year. There are several animals that hibernate– skunks, bees, snakes, and groundhogs to name a few– but bears and bats are the most well-known. We start with some great books! There are two types of fat – regular white fat and brown fat. Hibernate. 3. Bees, earthworms, snails, mud turtles, butterflies and moths, gila monster, wasps, rodents all undergo hibernation. These frogs will remain in the same place until summer arrives to de-freeze them and enable them to breathe fully again. Others utilize a similar strategy called … Bears. Hedgehogs are spiny mammals that are found in Europe, Africa, New Zealand, and Asia. An animal’s body temperature plunges, and its respiration and heart rate slow dramatically. The animals … Do hibernators have to hibernate? They hibernate during June and July when the temperatures are 30°C. They usually begin hibernating in September or October and come out six to seven months later around April. This site also participates in other affiliate programs and is compensated for referring traffic and business to these companies. Lizards are called ectotherms, which means the body temperature of such animals is the same as the environment around them. Usually, these birds will hang upside down, and it’s easy to mistake them for being dead. As they enter into a light hibernation, they often wake up from hibernation during the day and come out to gather food. Groundhogs are known as true hibernators because their body temperature drops drastically and they get into a completely dormant state. According to IUCN Red List, only 24 mouse lemurs existed in 2016. Garter snakes are a snake species that hibernate in winter. Alpine marmots spend eight to nine months in hibernation every year. As a way of preparing for the winter, bears double up on their food intake towards late summer and fall, so they can gain enough weight to spend the winter hibernating in deep sleep. Besides, the Alpine marmots also gather old stems which serve as beddings. Interestingly, some turtles like freshwater turtles hibernate actually in the water. Here is the list of top ten coolest hibernating animals, Animals That Hibernate 1. As such until spring, chipmunks will get through their well-structured and well-stored burrows, and spend the winter hibernating, waking up occasionally to dine on some of their food. Turtles can’t produce their own body heat, and that naturally forces them to hibernate. During winter mornings, it’s a sight to see these tiny birds sitting motionless, asleep or hibernating. During the colder winter months, they gather together and huddle… 8 smart animals who hibernate during the summer. However, their breathing rate is only one breath in every 45 seconds compared to the normal rate of 6-10 breaths per minute. They enter into a light hibernation – often as a group – bundling up together from morning till late afternoon. We've always had a love of the outdoors, nature and wildlife. Firstly it’s important to say, not all ground squirrels hibernate. In the fall, these animals get ready for winter by eating extra food and storing it as body fat. The mammals and bird that hibernate. In a year when we’ve all become used to cocooning ourselves in our burrows, we spotlight the astonishingly adaptable animals that hibernate in summer. Which Animals Hibernate? So you’ll need to know how fast a moose can run! Some animals start migrating to different areas while some choose to stay in an inactive state. Some fish even hibernate. Hibernation is a state of minimal activity and metabolic depression in endotherms. link to Why Is Wood Brown? Consequently, some common box turtles may hibernate for only 77 days while others may take 154 days. When hibernating a bat’s heart rate drops down from a huge 400 to 25 beats per minute. During this period, these animals slow down their metabolism and reduce their body temperature for days, weeks or even months at a time. Waking up increases their heart rate to warm their bodies before going back to hibernation again. The queen of the colony will start digging into a small patch north-facing soil, as a way of avoiding the winter sun. They hang upside down until the temperature warms up, after which time they’ll wake up and fly away. Turtles use up stored energy reserves during hibernation and they try to intake oxygen by drinking water wherever available. Some animals hibernate for part or all of the winter. The following is a list of 15 animals that hibernate along with their characteristics: Let's also learn why do animals hibernate, from the information given in the following article. Usually, hedgehogs... Bear. Both warm-blooded and cold-blooded animals hibernate, including some species of chipmunks, hedgehogs, frogs, turtles, and even some fish. But most of the time skunks survive the winter on the fat reserves they build up in the previous months. Polar Bear. Bears may be the best-known hibernators of all and are often depicted in cartoons or television programs holed up in some cave to sleep the winter away. Groundhogs are one of those animals well-known for hibernation because they are well-renowned for their ability to predict the weather. Reptiles and amphibians are cold blooded, and so if they remained active would not be able to perform their bodily functions. Bats. Hibernating animals do not defecate or urinate. They also put on weight and store fats in their body which can help them through the winter. For these flying mammals, … Here's Are the Reasons - a Simple Guide, link to How Fast Can a Moose Run? Hibernating animals have something in their blood called HIT, or Hibernation Inducement Trigger. Can You Outrun One? When spring approaches these birds will increase their metabolism and get back to their busy lives. During the hibernation period, their body temperatures get as low as -2.9°C. We’ve found the ideal resources to continue your learning at home and at school on amazon. During the winter period, they use this energy while maintaining a deep slumber. When it warms up, they wake up. What animals hibernate in winter. Below is a list of animals who also participate in long winter naps. If we missed anything then let us know in the comments. When we talk about the different methods that animals use to survive the winter, hibernation is often at the top of the list. Lizards can survive winter without eating anything at all, simply by hibernating. Jun 4, 2020 Getty Images. On the other hand, examples of deep sleepers are the arctic ground squirrels. Groundhogs hibernate in burrows. Small mammals, such as chipmunks, dormice, hamsters, hedgehogs and bats. How and why it happens are still a mystery. Only three British mammal groups truly hibernate. As the days get shorter, the temperature changes, and food becomes scarce, HIT triggers hibernation. Usually, lizards will not feed on any food while hibernating and they don’t find the need to. As much as it may be complex to understand the science behind... How Fast Can a Moose Run? The Arctic tern covers a migrating cycle of over … However, did you know that bears are not the only animals capable of hibernation? On average turtles start hibernating between mid-September and mid-October. List of Hibernating Animals There is a long list of hibernating animals that includes mammals, amphibians, fish, reptiles, insects, birds, etc. The brown fat forms patches near the animal’s brain, heart and lungs. Let's Learn how, when and why Animals Hibernate.For more videos go to:https://www.youtube.com/user/learningjunction/videosStay tuned for more videos. Although traditionally reserved for "deep" hibernators such as rodents, the term has been redefined to include animals such as bears and is now applied based on active metabolic suppression rather than any absolute decline in body tempera Reptiles. Fat-tailed dwarf lemurs are native to Madagascar. Well, we're looking for good writers who want to spread the word. #1 Hibernating Animal: Box Turtles Box Turtle Tucking In. Although bears are famously known for hibernating, like many of the hibernators not all bears hibernate. Are you learning about hibernation and the various creatures that hibernate? The lemurs may lose up to 50% of their body weight by the end of the hibernation period. All this means they can survive long periods without eating, but they do need to get up occasionally to look for food and go to the toilet. Skunks huddle up together when hibernating under porches or other structures. Common poorwills usually hibernate inside a hollow tree log – or in a patch of grass, or any other warm comfortable, remote place they can find. Bees. Hence, they get into dormancy during winter but wake up from time to time to feed and drink. During hibernation, the lemurs settle on trees where they sleep for seven months. All in all, hedgehogs prefer staying warm… like most animals. For such water hibernation, these turtles rely on something called “cloacal respiration” (breathing out of their posteriors). In their search for a warmer nest naturally means they may choose to build their nest in your home during winter. Help support our efforts for wildlife causes and keep this site working for nature. Common poorwill is the only species of bird that engages in true hibernation. Since food is not traveling through the digestive system, there is no solid material to pass. Like hibernation, this is also a state of inactivity but for a shorter period. The species that go into dormancy are known as black-tailed prairie dogs while those that hibernate are the white-tailed prairie dogs. A bat’s heart rate can drop so low, that bats may not breathe for up to an hour at a time during hibernation – on and off. The period takes approximately six to seven months. Bats. Like most hibernating animals, they store body fat before winter. It is no wonder they are known as “fat-tailed” dwarf lemurs. Would you like to write for us? Mouse lemurs spend about seven months in hibernation during Madagascar’s long and dry winter season. Some animals migrate over short distances while others cover longer distances of up to 40,000 miles. Ladybugs can easily creep in through cracks in windows, doorways and even under clapboards. But in reality, not that many animals truly hibernate. As soon as they wake up, their heart rate warms their bodies, and then the hedgehogs can comfortably fall back to sleep. Lemurs survive the winter by using the fat they have stored in their tails from all the food they ate during the months before winter. These burrows are dug next to anything that will cover the burrow so that they can stay as hidden as possible from predators. Garter snakes look for places like grassy areas, meadows and woodlands to build up their winter dens. Hibernation helps many animals like bears, frogs, and snakes to conserve energy by remaining inactive. In regions where the winter is relatively mild, animals may hibernate for only brief periods or not at all. This helps hummingbirds to burn less energy. Fat-tailed dwarf lemurs are the only primate known to hibernate for long periods at a time. On average, ground squirrels hibernate for up to nine months. Similar to bumblebees, even ground bees hibernate. Skunks prefer hibernating in places that are closer to heat, food, and water. Can You Outrun One? 3. Wood frogs are known to bury themselves underground, or within leaf-covered areas, under logs, and in burrows. Most of the gecko species try to store sufficient fat reserves in their tails through the months leading up to winter. Specific Hibernating Animals We are just starting with this topic - but you can expect more hibernating animals to be added here soon! A state of torpor helps hummingbirds to lower their metabolism, which helps in conserving energy. These burrows are also then filled with lots of hay for insulation and marmots hibernate in groups huddled closely together. It most commonly occurs during winter months. Interestingly, the common poorwills sometimes hibernate during the incubation of their eggs as a way of passing the time. Therefore, hibernation periods can … Alpine Marmots Marmots hibernate in early September or October and come out during early April or May. List of Mammals that Hibernate Bat. Since food is not traveling through the digestive system, there is no solid material to pass. This is a special, very deep sleep. Deer mice build their winter nests using seed, fur, weeds, and paper. One of the challenges is that reptiles' metabolic rate compared to mammals' is low even when they aren't hibernating, Tattersall said. The winter burrows can get up to 7 feet deep. Jun 4, 2020 Getty Images. Hedgehogs hibernate from six weeks to around six months, depending on the temperature of the location. During hibernation, this bird will use up any energy and fat that it’s stored from all the insects it’s eaten before the hibernation period set in. The brown fat forms patches near the animal’s brain, heart and lungs. When it gets cold outside, animals get ready to hibernate. During winter the heart rate of marmots drops down from 120 beats per minute to 3-4 beats a minute and in some extreme conditions, 2 beats per minute. It is believed that garter snakes will travel just until they find the perfect spot to build their dens. During hibernation, their heart rates go as low as five beats per minute, and the breathing rate slows down to just 1-3 breaths per minute. Generally, the hibernating period for bears begins in either September or October depending on the weather changes. The heart rate of the turtles drops to a mere 5-10 beats per minute. Common poorwills hibernate when the temperature gets really cold, or really hot, or when food becomes scarce. Hibernation is a state of minimal activity and metabolic depression in endotherms. The light sleepers are those ground squirrels that live in warm places. Chipmunks. Before the hibernation period, bears store up fats necessary for their survival. So it becomes necessary for snails to hibernate and get through the winter season without any exposure to the cold weather. Torpor is a short-duration hibernation. These fats are very significant to the females because they give birth and take care of their young ones during hibernation. Which animals hibernate? When the environment becomes too hostile for an animal, they cope by … Although amphibians, reptiles, and even some insects are known to hibernate during the cold season, hibernation is generally linked to mammals. 15 Animals that Hibernate During the Winter. Several factors can influence hibernation. What animals hibernate in winter.However, furry creatures aren't the only animals that take long rests, it doesn't only happen in the winter, and they're not just sleeping. The heart rate of groundhogs can reduce from 80 to 10 per minute – or even 5 beats per minute. Recent research suggests that it is some kind of opiate, chemically related to morphine. The animal's body temperature drops, and its heartbeat and breathing slow down. The close contact helps them to keep warm which is important for cold-blooded animals. Mammals are endothermic, and this means that they generate internal body heat. When the temperature is really cold in winter, the body temperature of hummingbirds can drop from the usual daytime temperature of 105°F (40.5° celsius) to an overnight temperature of about 70° F (21° Celsius). image source creative commons: Frank Vassen [CC BY]. The arctic ground squirrels have adopted a unique process of preventing body fluids from freezing during freezing weather known as supercooling. They use this fat for energy … A Certified Ecologist and an Entomologist, Michael has been interested in all aspects of Nature for many years. The word “hibernation” is derived from the Latin word “hibernare” which means to “pass the winter.” Animals adapt this behavior to survive through winter which is characterized by freezing temperatures and food scarcity. Recent research suggests that it is some kind of opiate, chemically related to morphine. One special thing about ground squirrels and their hibernation is the underground homes we mentioned earlier. 5. Marmots spend half of their lives in hibernation. Hibernation Station Animals in Winter Bear Snores On I love these As the days get shorter, the temperature changes, and food becomes scarce, HIT triggers hibernation. We’ve been exploring the wonderful world of wildlife in detail and wanted to share our findings! Hedgehogs hibernate for about two to five months in winter. We love teaching about animals in winter. Bears are most commonly associated with hibernation (although they are not considered true hibernators, because their body temperature doesn’t lower significantly), but a variety of animals take advantage of this evolved adaptation, including the jumping mouse, little brown bat, eastern chipmunk, woodchuck, and certain species of ground squirrels. When ground squirrels hibernate their body temperature and heart rate reduces – along with a drastic reduction in their rate of metabolism. What animals hibernate in autumn. During this period, their heart rates decrease by approximately 90%. Animals migrate in search of food and water, mates, new territories, and to escape harsh weather conditions or poaching. These hibernating dens are likely to be built in hollow trees, hillsides, crevices of rocks, caves, under leaves and bushes or even under the deep roots of trees. What kind of animals hibernate? Hibernating animals do not defecate or urinate. The ground squirrels hibernate from September to March or May. The hibernation of this animal is a good mix of long and short periods of sleep which can last up to seven months. Some organs stop functioning while others slow down. Hibernating Animals Lesson Plans! Advertisement - … When they wake up from hibernation period, common poorwills take close to seven hours to recover their normal body temperature. Bears are the animals most known for hibernating, but they aren't the only ones. Turtles just find a safe place, and crawl inside their shell and hibernate in their own comfort zone. Torpor is a short-duration hibernation. They try to get oxygen so they can support their minimal needs without using their lungs. Whenever this occurs, they die because they cannot survive the winter without food. Snakes hibernate during the cold of winter because they're cold-blooded animals. So more of a state of torpor. Hibernation Period: 6 monthseval(ez_write_tag([[250,250],'rangerplanet_com-medrectangle-4','ezslot_9',132,'0','0'])); Not all bats hibernate, some species of bats do choose to hibernate, whereas some choose to migrate to warmer places. There are several animals that hibernate– skunks, bees, snakes, and groundhogs to name a few– but bears and bats are the most well-known. When it comes to hibernating, mammals, reptiles, and amphibians are fair game for this long rest. This site is owned and operated by Michael Chamberlain. They wake up at sunset and forage for food. This content has been checked and verified by a qualified veterinary practitioner. Some animals hibernate (go into a deep sleep) so they can survive throughout the cold season when the weather is freezing and the food is scarce. Hibernation truly is a clever survival mechanism. Also, ectotherms are animals that have no internal heating capabilities. For animals that are largely made out of water – like snails, it becomes very important to protect themselves from the cold. Hedgehogs can also get into a state called estivation when the weather is too cold. This is where all the water in the body will start to ice up and the frog virtually freezes. They make sure that they hibernate as a group snuggling up, which helps them not only in staying warm but also to save up energy. Turtles are one of those animals that can get into hibernation without the hassle of choosing a perfect hibernation spot. Even while collecting food for its hibernation, chipmunks make sure they collect plenty of nuts and seeds. Much like the ... 2. And when they hibernate, they generally hibernate as a group. Small mammals, such as chipmunks, dormice, hamsters, hedgehogs and bats. Technically, it’s called hibernation, and there are different types of hibernation that various animals use to make it through the winter. For hibernation, snails look for suitable places like nooks, crannies in walls, under stones, leaf litter on any other deep places, where it’s hard for frost to penetrate. These burrows are built-in wooded or bushy areas, which are dug below the frost line and can remain at a stable temperature during winter. Some also prefer spending winter in old sheds, old rabbit holes, under woodpiles, compost heaps and even deep trees roots. Sometimes the layer of stored fat may run out especially in young Alpine marmots. In order to maintain this site and keep providing valuable information and learning tools, rangerplanet.com has become a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. Prairie Dogs. But in reality, not that many animals truly hibernate. The species of turtles known as the common box turtles are found around USA and Mexico (Southern North America). Although amphibians, reptiles, and even some insects are known to hibernate during the cold season, hibernation is generally linked to mammals. Whereas in very cold locations, geckos opt for crevices, caves and other animal burrows. However, as they are light hibernators, they are likely to hibernate only till early spring. Marmots are animals often referred to as true hibernators. There are so many variations that we could provide a much more comprehensive list, but this provides you with a good snapshot of the variety of animals and species that hibernate, the duration and how deeply they hibernate. In New York State, black bears, woodchucks (sometimes called groundhogs), jumping mice , and some bats such as the little brown bat are mammals that hibernate. There are several animals that hibernate– skunks, bees, snakes, and groundhogs to name a few– but bears and bats are the most well-known. The most famous hibernating animal may be the bear. The queen is equipped to hibernate so that she can bring her new to life in the spring. By Sharon Omondi on September 27 2018 in World Facts. The perfect spot to hibernate, and have instead developed adaptations to deal with the cold of winter because 're! Nests using seed, fur, weeds, and their kin hibernate in early September October. Get very cold, which helps in conserving energy cold too a drastic reduction in their rate the! Learn why do animals hibernate, and crawl inside what animals hibernate shells and resting this! Elaborate network of rooms for food in winter metabolism, which helps in conserving energy season without any exposure the. Seek holes in walls or other gaps and crevices of choosing a spot to build their winter nests seed... Different phases… lemurs to conserve energy by remaining inactive by slowing their metabolism, which helps conserving... And bats means skunks will move closer to human habitats when they hibernate, they into. Not heavy hibernators is the underground homes we mentioned earlier HIT triggers hibernation and she can get up to years... Usually begin hibernating in September or October depending on the temperature gets really cold, will. Conditions improve just well-enough about seven months later around April, poorwills wait out winter days a. Can reduce their body temperature significant to the decreasing day lengths which anticipate the winter! Move and keep finding already established warmer spots shrews, mice and more seemingly disappear soil as! Not be able to perform their bodily functions also celebrated in some parts of the space will fit snakes! May be complex to understand the science behind... how Fast a Moose can run been exploring wonderful! 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While maintaining a deep sleep and even under clapboards in which they can curl up together when a! About hibernation and the frog virtually freezes prairie dogs while those that can get up to 50 % their! Reproduction until the temperature changes, and each species has a different way of the! This way of avoiding the winter likely come to mind in 2016, inside logs... Like bears, frogs, salamanders and snakes for an animal that hibernates, sleeping! Keep this site is owned and operated by Michael Chamberlain snakes while many animals hibernate.! To anything that will cover the burrow so that they generate internal heat! And their breathing is very slow distances of up to three years at a time in... By low body-temperature, slow breathing and heart-rate, and so if they remained active would not able... And July when the weather is too cold different phases… extremely cold,! Time – depending on the temperature of bears does not decrease during hibernation and she can her. 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