Polar bear

polar bear or ice bear or in its scientific name Ursus maritimus is a large mammal within the family biology rule of Ursidae.
He belongs to the circumpolar species found around the northernmost continent of the Earth, the Arctic continent and includes the most carnivorous bears among other bear families
Polar bears are sometimes also classified as marine mammals.

the male polar bear weighs between 400 - 600 kilograms and can sometimes reach over 800 kg with a height reaching over 2.5 meters.
While the female polar bear is only half the weight of a male bear weighing between 200-300 kg and a height of about 2 meters.
Polar bears have a very sharp sense of smell.
they can smell whale carcasses or seals from a distance of 20 miles.

  The polar bear is a reliable swimmer because it can swim as far as 60 miles without stopping.

They use their front limbs to swim and rear legs as rudders.
The oil glands on the skin can well lubricate the feathers to keep them waterproof and keep their bodies dry for swimming.

in the Arctic summer especially in May - June, the thick fur of the bears begins to fall to keep the body temperature steady.