A new study reveals the profound ecological effects of wolves and other large carnivores in Yellowstone National Park, ...

Has that reduced browsing allowed aspen and willow stands in Yellowstone to recover and renew themselves for the first time in decades? Has such aspen and willow recovery enabled the return of ...

It was one of those dark and cloudy winter days in Yellowstone National Park where the clouds are so heavy and low, you feel like you can reach up and touch the cloudy sky. A light wind helped to ...

So in certain habitats of Yellowstone National Park, plant species such as willow and aspen are now in greater abundance since wolves were reintroduced in the 1990s. This denser vegetation can ...