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Polar bears rely on seals and fish as their primary food source. While the bears can hunt land mammals such as caribou and fox, they can survive off of land prey for only approximately 6 months. Without the abundance of sea ice, polar bears cannot access seals and fish and, thus, can starve. [17]
Polar bears rely on raw power when trying to kill their prey, and will employ bites and paw swipes. [95] They have the strength to pull a mid-sized seal out of the water or haul a beluga carcass for quite some distance. [113] Polar bears only occasionally store food for later—burying it under snow—and only in the short term. [114]
Polar bears hunt primarily at the interface between ice, water, and air; they only rarely catch seals on land or in open water. [69] The polar bear's most common hunting method is still-hunting: [70] The bear locates a seal breathing hole using its sense of smell, and crouches nearby for a seal to appear. When the seal exhales, the bear smells ...
Called the "I Turn Polar Bears White" riddle, it presents a series of cryptic statements that don't seem to make sense at first glance. Take a closer look at this perplexing puzzle and see if you ...
At the top of the food chain are the bears. Alaska contains about 70% of the total North American brown bear population and the majority of the grizzly bears, as well as black bears and Kodiak bears. In winter, polar bears can be found in the Kuskokwim Delta, St. Matthew Island, and at the southernmost portion of St. Lawrence Island.
Polar bear feeding on a seal on an ice floe north of Svalbard, Norway. It is the most carnivorous species. The sloth bear is not as specialized as polar bears and the panda, has lost several front teeth usually seen in bears, and developed a long, suctioning tongue to feed on the ants, termites, and other burrowing insects
The polar bear is a major predator of Arctic seals and walruses, particularly pups. Bears may seek out seals, or simply wait for them to come by. Other terrestrial predators include cougars, brown hyenas and various species of canids, which mostly target the young. [103] Orca hunting a Weddell seal
Ursus is a genus in the family Ursidae that includes the widely distributed brown bear, [3] the polar bear, [4] the American black bear, and the Asian black bear. The name is derived from the Latin ursus, meaning bear. [5] [6]