Cougars were also found to be moving where they hunt and travel. They avoid areas where wolves hang out. They avoid wolf ...

Researchers installed cameras in the US national park to monitor cougar density and abundance – and to see how these apex predators interact with other species, such as wolves.

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 ...

A new study documents the complex interactions between cougars and gray wolves in Yellowstone National Park and finds their ...

Yellowstone’s wolves die from hunting and trapping outside the park every season, but things seem to be getting worse. From 2009-2020, about 4.3 wolves from Yellowstone were killed legally by hunters ...

In the heart of Wyoming lies Yellowstone National Park, a sprawling ecosystem that has captivated millions of visitors for centuries. However, its delicate balance faced a near collapse before a ...

Kenmore East High School and University at Buffalo science and environmental education teacher Joe Allen leads summer trips to Yellowstone Park to observe the wolves there. In the past he has taken ...

This story was originally published by Mountain Journal. Around Crystal Creek, where the road bridges the Lamar River at the fringe of Yellowstone National Park’s Lamar Valley, a grove of aspens has ...

A new study shows how wolves steal kills from cougars in Yellowstone, driving an uneven feeding rivalry and changing cougar ...

In 1995, 14 wolves were relocated to Yellowstone National Park from an area near Jasper National Park in Alberta, Canada. These 14 wolves became the first to roam Yellowstone in seventy years since ...

In a new study, a UC Berkeley-led team of biologists observed gray wolves near Yellowstone National Park traveling 20 kilometers or more over rugged, mountainous terrain, with very young pups in tow.