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, ...
Cougars were also found to be moving where they hunt and travel. They avoid areas where wolves hang out. They avoid wolf ...
Large carnivores are both clashing and coexisting in the western United States. Although wolves dominate cougars and steal their prey, cougars' shift from elk- to deer-heavy diets, paired with a ...
In Yellowstone, cougars coexist with wolves by changing what they eat and where they hunt, minimizing conflict driven largely by prey theft.
A new study shows how wolves steal kills from cougars in Yellowstone, driving an uneven feeding rivalry and changing cougar ...
The story of wolves in Yellowstone National Park is one of the most successful—and scrutinized—wildlife restoration projects ...
Thirty years ago, park rangers reintroduced grey wolves into Yellowstone National Park. They wanted to restore the ecosystem and get the elk... How the wolf changed Yellowstone 30 years after ...
A new study shows that interactions between wolves and cougars in Yellowstone National Park are driven by wolves stealing ...
These rare kills in Washington State have biologists searching for answers. “Everyone always assumes wolves have the upper ...
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