Origin of the name Shea: Borrowed from the Irish, Shay is a pet form of Shamus, the Irish form of James (supplanting, seizing by the heel). It is also bestowed as an independent given name.Var: Shea, Shey.From A World of Baby Names by Teresa Norman.Buy the book.orrowed from the Irish, Shay is a pet form of Shamus, the Irish form of James (supplanting, seizing by the heel). It is also bestowed as an independent given name. Var: Shea, Shey. From A World of Baby Names by Teresa Norman. Buy the book.
FACTS. 1  Life span: About 20 to 30 years. 2  How big is a grizzly bear? Size is up to 4 feet when on all four paws. 3  Weight: 350 to 800 pounds for male bears, and roughly 25% less for females. Weight depends on what they eat, where they live, and season.
Most grizzly bears spend their time alone except when breeding or raising cubs. Grizzly Bear Reproduction and Maturation. Grizzly bears often live to be around 20 to 25 years of age Mating occurs from May through July with a peak in mid-June. Female grizzlies begin bearing young at 3 to 8 years of age, and litter size varies from one to four cubs, with an average litter of two.