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State wildlife officials estimate the state's black bear population has remained stable for the past 10 years at 50,000 to 81,000 to animals. Bears can hibernate under decks, in crawl spaces
Some species of mammals hibernate while gestating young, which are born either while the mother hibernates or shortly afterwards. [5] For example, female black bears go into hibernation during the winter months in order to give birth to their offspring. [6]
The polar bear (Ursus maritimus) is a large bear native to the Arctic and nearby areas. It is closely related to the brown bear, and the two species can interbreed.The polar bear is the largest extant species of bear and land carnivore, with adult males weighing 300–800 kg (660–1,760 lb).
The key danger for polar bears posed by the effects of climate change is malnutrition or starvation due to habitat loss.Polar bears hunt seals from a platform of sea ice. Rising temperatures cause the sea ice to melt earlier in the year, driving the bears to shore before they have built sufficient fat reserves to survive the period of scarce food in the late summer and early fall.
An adult bear will consume anywhere from 20,000 to 24,000 calories per day to prepare for hibernation.
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Though brown and black bears hibernate in winter, all polar bears do not. Only pregnant female polar bears hole up in a den. Pregnant female polar bears den up from August/September to March/April. Some polar bears also enter a state of hibernation due to the lack of food. Because they don't den, scientists have dubbed the condition "walking ...
Mother bears and their cubs have not had any difficulties hibernating, wildlife officials said. Half-asleep bears — unable to hibernate — seen walking around in Russia, officials say Skip to ...