How much does a bear eat?

An adult Polar Bear can eat 150-200 lbs. at one time.They averages one seal every 4-5 days. But they can survive on one seal for 11 days. eats 1 or 2 seals a week 3 times a day.
Well it depends on what kind of bear it is, and how old they are! An adult Polar Bear can eat 150-200 lbs. at one time. Black Bears usually eat between 34 and 37.7 pounds each day. Brown Bears eat about 90 pounds of food each day. And grizzly bears eat about 30 lbs a day