Risultati di ricerca
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 species is sexually dimorphic, as adult ...
12 ago 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 ...
19 apr 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.
- The Editors of Encyclopaedia Britannica
- 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...
Arctic caribou and wild reindeer are truly circumpolar animals, linking regions and people around the globe. 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 ...
3 apr 2023 · Polar bear: a powerful predator on ice species: Polar bears. Vulnerable (Around 22,000 remain) Ursus maritimus. Affected by: Climate change , Extractives , Human wildlife conflict. Polar bears are the planet’s biggest land-based carnivores – although they actually spend most of their lives around water and ice (their Latin name means ‘sea ...
Ten polar bear facts. 1) Polar bears are found in the frozen wilds of the Arctic, in Canada, Alaska (US), Greenland, Russia and Norway. 2) These are seriously big bears, gang. Adult polar bears can measure over 2.5m long and weigh around 680kg. Their huge size and weight make them the largest living carnivores (meat eaters) on Earth! Love animals?
