Journeys to Living Labs

Grades 5-12

Amid much controversy, the Grey Wolf was reintroduced in Yellowstone National Park in 1996. Wolf packs once roamed the region, but were despised by ranchers who lost livestock to these efficient canine predators. By the 1930's, wolves had been completely wiped out in Yellowstone by hunters and trappers. Discover how the ecosystem of the park was affected first by their disappearance and now, after the successful return of the wolves. 

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