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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).
Aug 23, 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
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.
- Polar bears are classified as marine mammals. Because they spend most of their lives on the sea ice of the Arctic Ocean depending on the ocean for their food and habitat, polar bears are the only bear species to be considered marine mammals.
- A polar bear skin is actually black. Beneath all that thick fur, polar bears have jet black skin. The polar bear’s fur is also translucent, and only appears white because it reflects visible light.
- They can swim constantly for days at a time. As well as reaching speeds of up to 6mph in the water, polar bears can swim for long distances and steadily for many hours to get from one piece of ice to another.
- Less than 2% of polar bear hunts are successful. Although about half of a polar bear’s life is spent hunting for food, their hunts are rarely successful.
- 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...
- 3 min
- Joel Sartore
Polar Bear. Scientific Name: Ursus maritimus. Type: Mammals. Diet: Carnivore. Average Life Span In The Wild: 25 to 30 years. Size: Head and body: 7.25 to 8 feet; tail: 3 to 5 inches. Weight:...
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 species which spends much of its life in, around, or on the water - predominantly on the sea ice.
