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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).
As an example of related species with differing diets, even though they diverged only 150,000 years ago, [7] the polar bear is the most highly carnivorous bear (more than 90% of its diet is meat) while the grizzly bear is one of the least carnivorous in many locales, with less than 10% of its diet being meat. [8] [9] [10]
Ringed seal and bearded seal are the most crucial aspect of an Inuit diet and is often the largest part of an Inuit hunter's diet. [3] Land mammals such as reindeer (caribou), polar bear, and muskox; Birds and their eggs; Saltwater and freshwater fish including sculpin, Arctic cod, Arctic char, capelin and lake trout.
Other classes of carnivore are highly variable. The ursids (bears), for example: while the Arctic polar bear eats meat almost exclusively (more than 90% of its diet is meat), almost all other bear species are omnivorous, and one species, the giant panda, is nearly exclusively herbivorous. [3] Dietary carnivory is not a distinguishing trait of ...
The key danger for polar bears posed by the effects of climate change is malnutrition or starvation due to habitat loss.Polar bears hunt seals from a platform of sea ice. Rising temperatures cause the sea ice to melt earlier in the year, driving the bears to shore before they have built sufficient fat reserves to survive the period of scarce food in the late summer and early fall.
This is an accepted version of this page This is the latest accepted revision, reviewed on 27 November 2024. Animal that can eat and survive on both plants and animals This article is about the biological concept. For the record label, see Omnivore Recordings. Examples of omnivores. From left to right: humans, dogs, pigs, channel catfish, American crows, gravel ant Among birds, the hooded crow ...
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]
Download as PDF; Printable version ... the brown bear derives 90% of its diet from plants. ... A grizzly–polar bear hybrid is a rare ursid hybrid resulting from a ...