Have Wolves Returned Yellowstone to its Natural State?

Wolves have affected the ecosystem in the park, but new study says they may be just one component of a trophic cascade.

Related Keywords

Oregon State University ,Oregon ,United States ,Crystal Creek ,Colorado State University ,Colorado ,Yellowstone Lake ,Deer Creek ,America ,Tom Hobbs ,David Cooper ,Johnathan Hettinger ,Dan Macnulty ,Dan Stahler ,Facebook ,Youtube ,Monitoring Program ,Elk Research ,Utah State University ,Yellowstone National Park ,National Park ,Yellowstone National ,Yellowstone Wolf Project ,Yellowstone Cougar Project ,Northern Range ,Utah State ,Ecological Monographs ,Absaroka Beartooth Wilderness ,Lamar Valley ,Endangered Species Act ,Colorado State ,Lamar River ,Luke Painter ,Blacktail Deer Creek ,Oregon State ,Lead Biologist ,Yellowstone Wolf ,Lower Yellowstone ,