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19 de abr. de 2024 · Polar bear, great white northern bear found throughout the Arctic region. The polar bear is the largest and most powerful carnivore on land, a title it shares with a subspecies of brown bear called the Kodiak bear. It has no natural predators and knows no fear of humans, making it an extremely dangerous animal.
- Polar Bear
The polar bear is a burly white bear that lives in the lands...
- Beluga Whales
Beluga, a small, toothed whale found mainly in the coastal...
- Ringed Seal
ringed seal, (Pusa, or Phoca, hispida), nonmigratory,...
- Bearded Seal
bearded seal, (Erignathus barbatus), nonmigratory seal of...
- Polar Bear
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 species is sexually dimorphic, as adult females are much smaller. The polar bear is white- or yellowish-furred with black skin and a thick layer of fat.
Physical Characteristics. More About Polar Bears ›. More Animals ›. Size. The polar bear is the largest land carnivore. Male polar bears (boars) grow two to three times the size of females (sows). Boars weigh about 350 to more than 650 kg (772-1,433 lb.) and are about 2.5 to 3 m (8.2-9.8 ft.) long.
- 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...
In the Arctic, temperatures can plunge to -40° or -46 C (-50 F) in winter and stay that way for days or weeks. But polar bears are built for those conditions. From fur to skin, to paws and claws, the sea bear’s physique is designed to protect them from the cold, hunt seals, and dominate the Arctic.
12 de ago. de 2023 · Weight. 800–1,300 pounds (males), 300-700 (females) Length. 6–9 feet. Habitats. Arctic Ocean, sea ice, and adjacent coastal areas. © WWF-CANADA. Click here to view larger map image. 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.
Polar bear. 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.
