In the spring, most polar bears eat so much they get fat. This is when seals
are easiest to find. A polar bear may gain more then 200 pounds (90 kilograms)!
This is just its way of storing food for later in the year, when hunting is not so easy. (A)
In the fall and winter, the polar bear has to go on a diet. Seals are harder to find,
so it doesn't have as much to eat. At this time, the polar bear's body begins using the extra fat that
it stored up in the spring. By late winter, the "fat" bear has become a "skinny" bear.
Click to Continue