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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).
19 de abr. de 2024 · polar bear, (Ursus maritimus), great white northern bear (family Ursidae) found throughout the Arctic region. The polar bear travels long distances over vast desolate expanses, generally on drifting oceanic ice floes, searching for seals, its primary prey.
- The Editors of Encyclopaedia Britannica
8 de sept. de 2017 · How do polar bears survive their Arctic habitat? Is climate change affecting their population? Learn how polar bears have adapted to life on top of the world...
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- Nat Geo WILD
- Arctic Adaptations
- Hunting
- Breeding and Behavior
Polar bears live in one of the planet's coldest environments and depend on a thick coat of insulated fur, which covers a warming layer of fat. Fur even grows on the bottom of their paws, which protects against cold surfaces and provides a good grip on ice. The bear's stark white coat provides camouflage in surrounding snow and ice. But under their ...
These powerful predators typically prey on seals. In search of this quarry they frequent areas of shifting, cracking ice where seals may surface to breathe air. They also stalk ice edges and breathing holes. If the opportunity presents itself, polar bears will also consume carcasses, such as those of dead whales. These Arctic giants are the masters...
Females den by digging into deep snow drifts, which provide protection and insulation from the Arctic elements. They give birth in winter, usually to twins. Young cubs live with their mothers for some 28 months to learn the survival skills of the far north. Females aggressively protect their young, but receive no help from their solitary male mates...
12 de ago. de 2023 · The largest bear in the world and the Arctic's top predator, polar bears are a powerful symbol of the strength and endurance of the Arctic. The polar bear's Latin name, Ursus maritimus, means "sea bear." It's an apt name for this majestic species, which spends much of its life in, around, or on the ocean–predominantly on the sea ice.
26 de feb. de 2024 · El oso polar, Ursus maritimus, habita en todas las aguas cubiertas de hielo del Ártico circumpolar, pero la pérdida de hielo marino debido al cambio climático amenaza su supervivencia.
Majestic creature of the far north, the polar bear is the world’s largest terrestrial carnivore. Its Latin name, Ursus maritimus, means ‘sea bear’: an apt name for this amazing animal, which spends much of its life in, around, or on the water – predominantly on the sea ice.
