Kieth: International directory enquiries albuterol sulfate With wolf numbers so low, moose numbers on the island have exploded, more than doubling in recent years to more than 1,000 animals. That’s the exact opposite trend from moose in Minnesota, where numbers have plummeted in recent years to the lowest levels in decades. While moose in Minnesota also face bears, humans and deer-related diseases as predators, moose on Isle Royale have only wolves to cope with.