Cougars and wolves are apex predators in Yellowstone. To survive, cougars have adapted to hunting different prey, decreasing ...

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Wolf 1331 would ultimately be found dead in a trap set by a prolific wolf hunter who manages a large ranch about 10 miles north of Yellowstone. The man who trapped 1331 would receive a warning for ...

Wolves usually rely on cooperation to survive. Hunting large prey such as elk typically involves multiple pack members working together to isolate and exhaust an animal. That reality makes one ...

Wolves in Yellowstone National Park have experienced a 27% decline in population in 2025.

This winter saw the most wolves from Yellowstone National Park killed in about a century. That's because states neighboring the park changed hunting rules in an effort to reduce the animals' numbers.

In movies and literature, a wolf’s haunting howl can signify danger or untamed nature. In real life, researchers in Yellowstone National Park are analyzing those howls with cutting-edge AI technology ...

It’s an animal-eat-animal world out there, especially in Yellowstone National Park. There are almost 70 different mammal species in Yellowstone, and most of those can be separated into two categories: ...

Footage shows part of a wolf-versus-elk pursuit that also has bison taking cover.

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