‘ Grizzlies chase polar bears away from important food source. Each autumn, polar bears and grizzly bears are drawn to Kaktovik, Alaska, to dine on the rotting carcasses of bowhead whales.
Do polar bears run from grizzly bears?
In fact, though they are far fewer and smaller, the grizzly bears completely displaced the polar bears from the bone pile in about half the encounters. Though polar bears sometimes acted aggressively among themselves, they mostly tolerated each other.
Why do polar bears cannibalize?
According to the researchers, the reason for this behaviour is the shortage of food supply in an already delicate habitat. Large male polar bears are attacking female and cubs — since they’re an easy target. Normally they hunt on sea ice, feasting on seals.
Do Grizzlies mate with black bears?
An ursid hybrid is an animal with parents from two different species or subspecies of the bear family (Ursidae). Species and subspecies of bear known to have produced offspring with another bear species or subspecies include black bears, grizzly bears and polar bears, all of which are members of the genus Ursus.
Do polar bears eat black bears?
Bears eating other bears isn’t entirely new—polar bears will eat each other, especially each others’ young. But for grizzlies it’s much more novel. Though how novel is up for debate. Michel told the CBC that he “knows of four other instances when a grizzly has hunted, killed and eaten a black bear in Banff.”
What is the average lifespan of a polar bear?
LIFE CYCLE: Polar bears can live up to 25 or 30 years in the wild.