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What amount of fat per day do polar bears have to eat to survive?
A polar bear's stomach can hold an estimated 15% to 20% of its body weight. A polar bear generally eats this much only when its energy demands are high. A bear can assimilate 84% of the protein and 97% of the fat it eats.
Polar bears need an average of 2 kg (4.4 lb.) of fat per day to obtain enough energy to survive.
A ringed seal weighing 55 kg (121 lb.) could provide up to eight days of energy for a polar bear. Hibernating polar bears do not eat.
More Info:
seaworld.org
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