In Yellowstone’s wild chess match between wolves and cougars, it turns out the real power play is theft. After tracking nearly a decade of GPS data and thousands of kill sites, researchers found that ...

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Add Yahoo as a preferred source to see more of our stories on Google. A wolf carries a very young pup by its hindquarters in this image caught by a game camera. A new study shows that contrary to long ...

A new study shows that interactions between wolves and cougars in Yellowstone National Park are driven by wolves stealing prey killed by cougars and that shifts in cougar diets to smaller prey help ...

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.

In Yellowstone National Park, the reason cats and canines don’t get along is simple — wolves will kill cougars and steal their food. A recently published study that utilized GPS collar data collected ...

Faced with the quandary of how to get mountain lions out of trees for scientific analysis, researchers dosed them with ketamine, then climbed up to ...

Tracking wolves in Yellowstone leads to a look at coyotes, North America’s adaptable and often misunderstood wild canid.

Scientific research has long assumed gray wolves are non-migratory during springtime, staying anchored to tend to litters of nearly helpless pups. For the first weeks of life, after all, pups are ...

Brett French Lee Newspapers Feb 5, 2026 Feb 5, 2026 In Yellowstone National Park, the reason cats and canines don’t get along is simple — wolves will kill cougars and steal their food. A recently ...

Scientific research has long assumed gray wolves are non-migratory during springtime, staying anchored to tend to litters of nearly helpless pups. For the first weeks of life, after all, pups are ...