Thirty years ago, park rangers reintroduced grey wolves into Yellowstone National Park. They wanted to restore the ecosystem ...

While a flood of news articles, Facebook posts and YouTube videos have attributed the boost in aspen trees to wolves, ...

This top-down effect is technically known as a trophic cascade – a “domino effect throughout the ecological community,” as Pacific Wild puts it. As wolves hunt animals in the rung of the food chain ...

Visitors at Yellowstone National Park may get lucky enough to hear the howling of wolves in the distance at the park. However, those moonlight nights were once silent, after the natural population of ...

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 ...

In Yellowstone National Park — where gray wolves were reintroduced starting in 1995 — researchers have gone back and forth on whether the restoration of wolves has impacted the ecosystem. The idea is ...

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 ...

Yellowstone National Park’s wolves have been contentious ever since they were reintroduced in 1995. Within the park, the ...

Colorado voters’ opinions on wolf reintroduction in the state haven’t changed much since the effort was narrowly approved in a 2020 ballot measure, according to the results of a 2025 voter opinion ...

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 ...