Thirty years ago, park rangers reintroduced grey wolves into Yellowstone National Park. They wanted to restore the ecosystem and get the elk... What is the legacy of Yellowstone wolves 30 years after ...

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, ...

A new peer-reviewed study reports that claims of a “world-leading” trophic cascade in Yellowstone National Park are not supported, citing problems with the methods used in earlier research. A newly pu ...

Thirty years ago, park rangers reintroduced grey wolves into Yellowstone National Park. They wanted to restore the ecosystem and get the elk... How the wolf changed Yellowstone 30 years after ...

Johnnie LeFaiver took her son to the Lamar Valley in Yellowstone National Park this summer, because the experience of watching wolves there 20 years ago seared into her memory and she wanted Micah to ...

Oregon State University researchers have documented the first new generation of overstory aspen trees in Yellowstone’s northern range in 80 years, three decades after wolves were reintroduced to the ...

For the past 15 years, Luke Painter has been traveling to the northern range of Yellowstone National Park, where mountains rise and tributaries carve valleys of sage, willows and trees. This includes ...

Colorado passed a wolf reintroduction plan in November 2020, and 10 wolves were reintroduced into the state in December 2023. Opponents are now trying to stop this reintroduction plan, the Denver Post ...