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, ...

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, ...

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 ...

Yellowstone National Park is home to several wild animals. Tourists are allowed to spot them only from a distance to ensure their safety and the animals' protection. The national park goes above and ...

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 ...

Sightseers watched in horror as a man got dangerously close to a pack of wolves in Yellowstone National Park, recent footage shows. Keith Allen Kerbs told Storyful he was photographing the five black ...

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National Park Service (NPS) rangers tracked down and cited a man who was seen on video approaching a wild wolf pack at Yellowstone National Park and spraying them with a suspicious substance. Footage ...

Yellowstone wolf watchers were gathered in awe on the morning of Oct. 6, ogling a pack of at least five black wolves roaming through the sagebrush near Lamar Valley. But the crowd soon saw something ...