Over the last three decades, Yellowstone National Park has undergone an ecological cascade. As elk numbers fell, aspen and willow trees thrived. This, in turn, allowed beaver numbers to increase, ...

Previous research on the effect of wolves on the food web has been criticized, raising questions about the predator’s role in the Yellowstone ecosystem. When you purchase through links on our site, we ...

One of the factors that draws tourists towards Yellowstone is the incredible wildlife. Although there have been many instances where people wandered too close to the wildlife, such as with bison, ...