largest grizzly bear in history
1 In most areas the number of bears is stable, but there are some places where bear density is increasing. 2  Male bears are called boars, females are sows, and youngsters are cubs.  Kodiak bears are the largest bears in the world. A large male can stand over 10' tall when on his hind legs, and 5' when on all four legs. They weigh up to 1,500 pounds. Females are about 20% smaller, and 30% lighter than males.