Polar Bears
Polar bears are big, white bears (sometimes darker fur) that live in
very cold regions like around the artic poles. There are 21,000 to 28,000
Polar bears alive that are known. Polar bears swim in water and are
carnivores, they eat fish . Polar bears feed mainly on ringed seals and
bearded seals. Depending upon their location, they also eat harp and hooded
seals and eat carcasses of beluga whales, walruses, narwhals, and Bowhead
whales.
A polar bears' stomach can hold up to 15% to 20% of its body weight. It
can use 84% of the protein and 97% of the fat it eats.
Polar bears need about 2 kg (4.4 lb.) of fat per day to survive. A
ringed seal weighing 55 kg (121 lb.) could provide up to eight days of
energy for a polar bear. On cold days polar bears curl up and cover their
muzzle area. During the winter, some polar bears leave their dens and find
other places to stay warm. They may use these shelters for several months at
a time.
Polar bears......
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