Visitors of Detroit Zoo can now witness the budding friendship between a polar bear cub and orphan baby grizzly at the sight’s renowned Arctic Ring of Life habitat. The adorable white and brown balls of fur can be seen rolling about, swimming, and tussling together in the 4 acres of lush grounds, filled with tall grass, saltwater pools, and packed ice. A serendipitous backstory belies the friendship of the unlikely furry duo. In June, grizzly bear cub Jebbie was found wandering alone by residents in Tok, Alaska. Without his mom to rear him, the cub likely wouldn’t have survived. (Courtesy of Detroit Zoo) The locals contacted the Alaska Department of Fish and Game and dubbed him “Jebbie,” before he was whisked to Alaska Zoo in Anchorage for a health assessment and subsequent transfer to Detroit Zoo. Upon arrival in Detroit, Jebbie weighed 76 pounds. Now, he weighs 180 pounds. Meanwhile, in …