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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 glacier bear female normally has her first litter by 3–5 years of age. This breeding period takes place in June through July. Gestation lasts 235 days and cubs are born in January to early February. [13] Because of the increasing range of all subspecies of black bears since the last glacier maximum, interbreeding is taking place.
Bears in Ireland often slept through the cold winter in caves, hollows, burrows or sheltered cliffsides, and several are known to have died during hibernation, with their bones being found by modern archaeologists. [2] The most famous fossils were discovered in Poll na mBéar (literally "bear's hole") in County Leitrim, and Aillwee Cave, County ...
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
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 menu celebrated “winter turning into spring—and reframing winter, because it's actually a really hopeful time,” Dellanno says. “Winter is all about, ‘Wait, things are getting ...
For the last three years, the High Plains has entered winter with La Niña conditions, which has brought hotter and drier weather to the region throughout the year.
Bears use shelters, such as caves and logs, as their dens; most species occupy their dens during the winter for a long period of hibernation, up to 100 days. Bears have been hunted since prehistoric times for their meat and fur; they have also been used for bear-baiting and other forms of entertainment, such as being made to dance.