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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 ...
Grizzly bears also do not defecate or urinate throughout the entire hibernation period. The male grizzly bear's hibernation ends in early to mid-March, while females emerge in April or early May. [53] In preparation for winter, bears can gain approximately 180 kg (400 lb), during a period of hyperphagia, before going into hibernation. [54]
Overall, the Climate Prediction Center, in its most recent winter forecast, said that despite the current eastern chill, a milder-than-average winter was still likely for the eastern and southern U.S.
The winter weather hit much of the U.S., causing widespread flight and train cancellations. The snowfall was the most Washington, D.C., has seen since 2022, according to WUSA , a CBS affiliate.
If the winter is mild enough, they may wake up and forage for food. Females also give birth in February and nurture their cubs until the snow melts. [90] During winter, American black bears consume 25–40% of their body weight. [91] The footpads peel off while they sleep, making room for new tissue.
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).
An adult bear will consume anywhere from 20,000 to 24,000 calories per day to prepare for hibernation. Tahoe bears will travel long distances to bulk up before winter. How to protect your home
The brown bear's winter fur is very thick and long, especially in northern subspecies, and can reach 11 to 12 cm (4.3 to 4.7 in) at the withers. The winter hairs are thin, yet rough to the touch. The summer fur is much shorter and sparser, with its length and density varying among geographic ranges. [49]