A group of bears ... no matter what their gender ... is called a sleuth.
Bears are of the canine family, thus incorrectly called boar and sow.
A male polar bear is called a boar.
It would be called the same thing. Unless it is a group of polar bears, then it would be called a Celebration. On the lighter side: A group of 100 bears would be called an uprising, and a time to panic, if you ask me!
A sleuth or a sloth of bears
A male bear is called a boar.
The term "male grizzly" typically refers to a male grizzly bear, which is scientifically known as Ursus arctos horribilis. There is no specific name for male grizzlies as a group; they are generally just called male grizzly bears. Individual bears may have specific names if they are part of a wildlife study or in a zoo, but these names vary.
A sleuth or a sloth of bears
a group of horses is called a herd, and a male horse is a stallion
Same for other bears: a sleuth, sloth or litter of polar bears.
I believe they are called Sows.
Sleuth or Sloth
Male Polar Bears are bigger than Female Polar Bears. and Female Polar Bears can have Babies.