After years of dramatic decline, the wolf population on Michigan’s Isle Royale National Park is finally growing, thanks to human intervention — and down the road, Canadian wolves may also help in the revival efforts.In late September, the U.S. National Park Service began capturing and transferring wolves from the mainland to the island, which is on Lake Superior, not far from Thunder Bay, Ont.

Source: Canadian wolves may be added to U.S. park service’s work to revive island population | CBC News