Wolves hunting beavers on Isle Royale changing ecosystem

A WOLF ON Isle Royale National Park in Lake Superior. (Photo courtesy of the National Park Service)

Wolves preying on beaver may affect the ecosystem at Isle Royale National Park in Lake Superior, researchers say. (National Park Service photo)

A WOLF ON Isle Royale National Park in Lake Superior. (Photo courtesy of the National Park Service)

LANSING – New research published in Nature Scientific Reports reveals how gray wolves in Isle Royale National Park seasonally alter their habitat preferences to align with beavers’ habitat preferences, a shift that might have implications for the island’s ecosystem.

Isle Royale is a remote national park in Lake Superior between Michigan’s Upper Peninsula and Minnesota and home to a plethora of animal species, including one of nature’s renowned arch