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Relocated Isle Royale wolves form groups, reduce moose herd

12 live wolves have been counted by researchers at Michigan Technological University.
Credit: AP
These images taken in late September 2019 from a remote camera and provided by the National Park Service and the State University of New York College of Environmental Science and Forestry, show two wolf pups on Isle Royale National Park in Michigan. Gray wolves that were taken to Isle Royale to rebuild its nearly extinct population are forming social groups, staking out territory and apparently mating, scientists said Monday Sept. 14, 2020. (National Park Service and State University of New York College of Environmental Science and Forestry via AP)

TRAVERSE CITY, Mich. — Scientists say gray wolves that were taken to Michigan's Isle Royale National Park to rebuild its nearly extinct population are forming social groups, staking out territory and apparently mating. 

They’re also reducing the overgrown moose herd. 

Michigan Technological University researchers released their annual report from the Lake Superior park on Monday. They have counted 12 live wolves and say two others are missing. The population was 15 last year. 

Some of those relocated from the mainland have died, but scientists say those that remain are killing enough moose to halt a population boom that was harming the park's vegetation. 

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