The scientists found that as the polar bears are forced off of the melting sea ice and onto land, they have to compete with the local grizzly bears for the available food.
What do the polar bears hunt for food?
Polar bears feed mainly on ringed and bearded seals. Depending upon their location, they also eat harp and hooded seals and scavenge on carcasses of beluga whales, walruses, narwhals, and bowhead whales. On occasion, polar bears kill beluga whales and young walruses.
Do polar bears have any competition?
During breeding season, male polar bears compete with other males when looking for potential mates. Some males travel long distances in order to find optimal mating conditions. Predation: Polar bears stand at the top of the food chain.
What is the polar bears place in the food chain?
The polar bear is at the top of the Arctic food chain. Its most common prey is the ringed seal and the bearded seal.
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 penguins?
Polar bears do not eat penguins, since penguins live in the southern hemisphere and polar bears live in the northern hemisphere.