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 ...

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 ...

Predators might be ill-reputed for their fearmongering gestures, but from a scientist’s point of view, they are catalysts of transformation. They are the architects of ecosystems. By eliminating what ...

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Editor’s note: This story first appeared in Mountain Journal. YELLOWSTONE NATIONAL PARK — Around Crystal Creek, where the road bridges the Lamar River at the fringe of Yellowstone National Park’s ...

Wild wolves, which have disappeared from Japan, still live in Europe, but are in danger of extinction. In a movie posted in 2014 by Sustainable Human, which posts videos about living things, nature, ...

Ranchers say the real conflict is with the rules and whether agencies can keep up, especially as depredations undermine the ...