The wolf population in Yellowstone National Park was essentially wiped out by the mid 1920's. That changed in 1995, when the National Park Service reintroduced them there. So, 20 years later, how has the park's ecosystem responded to the return of the wolves? Watch how #NSFfunded Utah State University wildlife ecologist Dan MacNulty and his team work in partnership with the National Park Service to find out! Fuller understanding of what's happening in Yellowstone could translate to better predat

Lone wolves no more - roughly 500 wolves inhabit Yellowstone today, following their reintroduction to the park. | National Geographic TV

The “How Wolves Changed Rivers” story became environmental gospel. One problem: the science doesn’t actually support it. Colorado State researchers examined 20 YEARS of wolf recovery inYellowstone and the results are clear: wolves are not the magical cure all they are made out to be. The trophic cascade theory? Oversimplified at best, misleading at worst. Here’s what ACTUALLY matters: SCIENCE-BASED MANAGEMENT WITH HUMANS IN THE ECOSYSTEM While Yellowstone’s hands-off approach failed, Montana’s a