The front feet of the polar bear are flat, large and oar-like which assists in their swimming abilities. Polar bears also have long necks and narrow skulls that make them quite different from other bears and help to streamline the entire body shape for swimming. Buoyancy and insulation is provided by a thick layer of blubber beneath the fur. It even covers their feet, to provide both warmth and traction. The fur of the polar bear is thicker than that of any other kind of bear. The polar bear has many different adaptations that have permitted the species to thrive and survive in the Arctic cold. An adult female polar bear, are roughly half the size of their male counterparts. No Natural Predators, Only Other Polar Bears.Īn adult male polar bear, known as a ‘boar’ averages between 7 – 10 feet (2.5 – 3 meters) in length, and weighs between 750 – 1,550 pounds (350– 700 kg).

Seals, Reindeer, Walrus, Rodents, Birds, Eggs Their diet consists mostly of the fat of seals that share the region with them.Īrctic Circle – Canada, Alaska, Greenland, Russia and Norway. The polar bear sits at the top of the food chain in this cold, harsh environment. They are the largest land carnivores on the planet, rivaled only by the Kodiak brown bears that are found in the southwestern portion of Alaska, Canada, Greenland, Norway and Russia. The Polar Bear (Ursus maritimus) is a marine mammal that inhabits the sea ice in the Arctic region of the Northern Hemisphere.

Polar bear predators