In the United States, polar bears are believed to be found only in Alaska. The Alaska polar bear population is estimated to be between 4,000 and 7,000 individuals. … Because food is usually abundant throughout the winter, only pregnant polar bears make winter dens on the sea ice.
Can a polar bear survive in hot weather?
Summary: Polar bears are not likely to survive in a warmer world, biologists report. As polar bears lose habitat due to global warming, these biologists say, they will be forced southward in search of alternative sources of food, where they will increasingly come into competition with grizzly bears.
Can polar bears live up to 25 years?
After a period of several weeks’ acclimatization, the mother and cubs begin their trek to the sea ice to feed on seals. LIFE CYCLE: Polar bears can live up to 25 or 30 years in the wild.
Can polar bears freeze to death?
That does not mean, however, that they cannot freeze to death, only that they have the means to tolerate colder climes than most animals can abide. Of course it can. Polar bears may be well adapted to Arctic temperatures (-30 F) but not to Antarctic temperatures (which can go down to -130 F).
What is the warmest temperature a polar bear can live in?
The warmest areas in summer are inland regions of Siberia, Alaska, and Canada where temperatures can reach as high as 32°C (90°F). The ocean temperatures in the Arctic are about -1.5°C (29°F) in summer.
Do polar bears eat humans?
Bears. Polar bears, particularly young and undernourished ones will hunt people for food. … Truly man-eating bear attacks are uncommon, but are known to occur when the animals are diseased or natural prey is scarce, often leading them to attack and eat anything they are able to kill.
Do polar bears eat penguins?
Polar bears do not eat penguins, since penguins live in the southern hemisphere and polar bears live in the northern hemisphere.