HOUGHTON, Mich. – A new study finds the moose population is booming at Isle Royale National Park while wolves are on the verge of dying out.
The National Park Service and Michigan Technological University announced Monday the estimated moose population on the Lake Superior island is 1,300 — up from a low of 540 about a decade ago. There has been a decline of winter ticks, which can affect the animal.
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Meanwhile, the moose population is declining in Minnesota, roughly 20 miles away. Officials say more investigations could provide insights into the diverging populations on the island and mainland.
Wolves have suffered a population free-fall: The study finds two wolves on the island — down one from last year. A loss of immigration of animals across ice bridges has contributed to the drop.