Scientists say the number of gray wolves at Isle Royale National Park has dropped to three — the fewest since biologists began studying the population on the Lake Superior island chain in the 1950s.
JOHN FLESHER, Minneapolis Star Tribune
Fri, 04/17/2015 - 11:31am
Scientists say the number of gray wolves at Isle Royale National Park has dropped to three — the fewest since biologists began studying the population on the Lake Superior island chain in the 1950s.