Polar bears can swim for days in open water without rest, says new research. The study tracked 52 female polar bears off Alaska between 2004 and 2009, and found that about a third of those bears made swims of more than 30 miles during that period.
How many miles can a polar bear swim without stopping?
Polar bears (Ursus maritimus) are capable of swimming incredible distances, according to a new study published in Zoology, which recorded polar bears regularly swimming over 30 miles (48 kilometers) and, in one case, as far as 220 miles (354 kilometers).
How long can polar bears stay in water for?
Polar bears usually swim under water at depths of only about 3-4.5 m (9.8-14.8 ft.). They can remain submerged for more than one minute. Maximum dive duration is unknown; however the longest polar bear dive observed to date lasted a total of 3 minutes and 10 seconds covering a distance of 45 to 50 m (148–164 ft.)
How long does it take a polar bear to swim 100 miles?
The swims that were documented lasted from 17 hours to nearly 10 days and covered between 33 and 427 miles (54 and 687 kilometers) in the southern Beaufort Sea. The frequency of the swims appeared to increase over the course of the study, which ended in 2009.
Can polar bears swim forever?
Polar bears can swim, but they can’t swim forever. … Climate change is pulling the sea ice out from under polar bears’ feet, forcing some to swim longer distances to find food and habitat.
Do polar bears swim with their eyes open?
Polar bears are excellent swimmers and will enter the water to catch food or to escape danger. … While under water, their ears are flattened and their nostrils are closed, but their eyes remain open. In the wild, they may occasionally hunt seabirds by diving and coming up underneath them.
Do orcas eat polar bears?
PREY: The orca is at the top of the marine food web. Their diet items include fish, squid, seals, sea lions, walruses, birds, sea turtles, otters, other whales and dolphins, polar bears and reptiles. They even have been seen killing and eating swimming moose.
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.
What is the average lifespan of a polar bear?
LIFE CYCLE: Polar bears can live up to 25 or 30 years in the wild.
Do polar bears eat fish?
Food Preferences & Resources
When other food is unavailable, polar bears will eat just about any animal they can get, including reindeer, small rodents, seabirds, waterfowl, fish, eggs, vegetation (including kelp), berries, and human garbage.
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.