As the Denver Post reported, the Colorado Parks and Wildlife Department has faced opposition to reintroduction efforts in ...

Critics of Colorado’s wolf reintroduction program claim that wolves transplanted from Oregon were infected with a parasitic ...

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 ...

Aspen forest is reclaiming the skyline of Yellowstone National Park after decades of controversy over efforts to return wolves to the ecosystem. The successful growth of a new Aspen overstory for the ...

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 ...

"When you disturb ecosystems by changing the makeup of a food web, it can lead to lasting changes that are not quickly fixed." Researchers find adverse effects of apex predator reintroduction: '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 ...

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 ...

Thirty years ago, park rangers reintroduced grey wolves into Yellowstone National Park. They wanted to restore the ecosystem and get the elk population, which had decimated the plant community, in ...