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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
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).
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Winter is finally here, and bears are getting ready to find a den to hibernate in over the next few months. In Wyoming's Yellowstone National Park, one bear was caught prepping for his long sleep ...
It is here that the female polar bear will go into a hibernation type state. Female polar bears dig their own maternity den. It is important the the female polar bears have fed enough in the spring and summer before fall, because of the scarcity of food on land when winter comes. While in the maternity den, the mother polar bear will not eat ...
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 ...
But they do hibernate even along the N.C. coast, especially female bears. Males may den for short periods, but may also exhibit lethargic behavior during the winter if they stay awake.
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.