Search results
Results From The WOW.Com Content Network
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).
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
Bears do not enter a state of deep hibernation because they need a higher body temperature in order to meet the demands of pregnancy, birth, and the nursing of young. Though brown and black bears hibernate in winter, all polar bears do not. Only pregnant female polar bears hole up in a den.
Polar bears differ from black bears, grizzlies, and other bear species where both sexes hibernate in that only females use hibernacula. Like other female bears, polar bears use hibernacula as maternity dens. Also like other species, they tend to dig dens into the earth, although their Arctic hibernacula are usually covered with snow by the time ...
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 ...
For premium support please call: 800-290-4726 more ways to reach us
Bears of northern regions, including the American black bear and the grizzly bear, hibernate in the winter. [ 110 ] [ 111 ] During hibernation, the bear's metabolism slows down, its body temperature decreases slightly, and its heart rate slows from a normal value of 55 to just 9 beats per minute. [ 112 ]
A female polar bear "died from a broken heart" at SeaWorld San Diego on Tuesday, just months after her best friend of 20 years was transferred to another zoo, according to People for the Ethical ...