Female Polar Bears Need an Extra 220 Lbs. for Pregnancy
During seal hunting season, a female polar bear strives to put on up to 300 pounds of fat. That weight gain is a necessity - without it, her body won't allow her to get pregnant. (03:01)
During seal hunting season, a female polar bear strives to put on up to 300 pounds of fat. That weight gain is a necessity - without it, her body won't allow her to get pregnant. (03:01)