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Learn how polar bears hunt, digest and store fat from seals, carcasses and other sources in the Arctic marine ecosystem. Find out why climate change affects their food availability and how WWF works to protect their habitat and food.
19 de abr. de 2024 · In swimming, the polar bear uses only its front limbs, an aquatic adaptation found in no other four-legged mammal. Polar bears are opportunistic as well as predatory: they will consume dead fish and carcasses of stranded whales and eat garbage near human settlements.
What do polar bears eat? Polar bears have evolved to prey on ringed and bearded seals, which they catch from a platform of sea ice. Polar bears depend on the high-fat content that seals provide, but will take other prey when available. How the bears hunt seals.
17 de abr. de 2019 · The polar bear feeds primarily on the seal's skin and blubber, leaving the meat and carcass for scavengers. According to the Alaska Department of Fish and Game, a polar bear may kill a ringed seal every two to six days.
A polar bear generally eats this much only when its energy demands are high. A bear can assimilate 84% of the protein and 97% of the fat it eats. Polar bears need an average of 2 kg (4.4 lb.) of fat per day to obtain enough energy to survive.
Most of what Polar bears eat is the blubber and skids of Ringed seals. They often leave the rest of the carcass, which becomes an important food source for other animals. They also eat birds, fish, berries, reindeer and sometimes walrus.
Unlike other bear species, polar bears are almost exclusively meat eaters (carnivorous). They mainly eat ringed seals, but may also eat bearded seals. Polar bears hunt seals by waiting for them to come to the surface of sea ice to breathe. When the seal nears the surface, the polar bear will bite or grab the seal and pull it onto land to feed.
