One of the wolves relocated to Isle Royale has died
Four wolves were moved to the island in Lake Superior by the National Park Service.
Isle Royale
Wolf dies after being captured for release on Isle Royale
The Park Service is trying to introduce more wolves to the island.
Playtime over for the moose on Isle Royale ... the wolves are coming
The National Park Service confirmed they'll add 20-30 wolves to the island by 2023.