New research has demonstrated the powerful impacts the reintroduction of predators can have on an ecosystem. The presence of ...

This band of 1,400 sheep spends the summer grazing season in the Gravelly ... For example, nine major elk herds pass through Greater Yellowstone on epic migrations. Although they spend a majority ...

The bull elk is calming grazing, trying to enjoy a meal ... The comments on the video were anything but friendly towards the Yellowstone tourist. One user commented, "More for the arrest and ...

A new study reveals the profound ecological effects of wolves and other large carnivores in Yellowstone National Park, showcasing the cascading effects predators can have on ecosystems. In Yellowstone ...

A Yellowstone bison held temporarily at Ted ... s own commercial bison recently tested positive— infected by wild elk grazing the same pastures—they were euthanized and then necropsied at ...

Indeed the effects of wolves on elk grazing in Yellowstone Park appear to be mediated more by a reluctance of elk to venture into open meadows to forage than by direct predation on elk by wolves.

Nearly every Rocky Mountain elk in Washington is descended from transplants introduced from Yellowstone National ... I spotted more than three dozen grazing in the fields there.