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Inuit hunters most often hunt juvenile whales which, compared to adults, are safer to hunt and have tastier skin. Ringed seal and bearded seal are the most crucial aspect of an Inuit diet and often make up the largest part of an Inuk hunter's diet. [3] Land mammals such as reindeer (caribou), polar bear, and muskox; Birds and their eggs
The polar bear (Ursus maritimus) is a large bear native to the Arctic and nearby areas. It is closely related to the brown bear, and the two species can interbreed.The polar bear is the largest extant species of bear and land carnivore, with adult males weighing 300–800 kg (660–1,760 lb).
The polar bear is the most carnivorous of bears due to the arctic climate in which it lives, and shows a preference for eating seals. The giant panda is the most herbivorous bear and has evolved a number of adaptations, including a sixth "toe", specialized teeth, and strong jaw muscles, to allow it to feed nearly exclusively on bamboo , a tough ...
A humpback whale (Megaptera novaeangliae) A leopard seal (Hydrurga leptonyx). Marine mammals are mammals that rely on marine (saltwater) ecosystems for their existence. They include animals such as cetaceans (whales, dolphins and porpoises), pinnipeds (seals, sea lions and walruses), sirenians (manatees and dugongs), sea otters and polar bears.
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 ]
Natural predators of the bearded seal include polar bears, who rely on these seals as a major food source. [21] Killer whales also prey on these seals, sometimes overturning ice floes to reach them. Walruses also eat these seals, mainly pups, but such predation is rare. [22] Bearded seals are believed to live up to 31 years. [23]
Many bear species primarily eat specific foods, such as seals for the polar bear or termites and fruit for the sloth bear, but with the exception of the giant panda, which exclusively eats bamboo, ursids are omnivorous when necessary. No ursid species have been domesticated, though some bears have been trained for entertainment. [1]
A polar bear scavenging a narwhal carcass. Age determination techniques using the number of periosteum layers in the lower jaw reveal that narwhals live an average of 50 years, though techniques using amino acid dating from the lens of the eyes suggest that female narwhals can reach 115 ± 10 years and male narwhals can live to 84 ± 9 years. [74]