Yellowstone Lake Was Invaded by Trout 25 Years Ago—and the Impact Was Felt Across the Entire Food Chain

Newsweek - 03-20


An invasion of trout at Yellowstone lake impacted wildlife populations throughout the ecosystem of the National Park, scientists have discovered. The lake trout, which were first discovered in Yellowstone in 1994, caused population changes to predators including bald eagles, ospreys and grizzly bears—unexpected impacts never before documented by scientists.