WASHINGTON — One spring afternoon in 2015, biologist Thomas Gable followed signals from a gray wolf’s GPS tracking collar to a small stream in Minnesota’s Voyageurs National Park. Wolves preying on beavers profoundly affect northern Minnesota’s wetland ecosystems because dams built by individual beavers — those not associated with beaver colonies — quickly fall apart. The new research doesn’t show …
For free real time breaking news alerts sent straight to your inbox sign up to our breaking news emails Sign up to our free breaking news emails Sign up to our free breaking news emails SIGN UP I would like to be emailed about offers, events and updates from The Independent. Read our privacy policy One spring afternoon in 2015, …
