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

Learn about the biologists and the cougars involved in the Yellowstone Cougar Project. For over 35 years, a dedicated team of biologists has quietly shaped one of the most enduring and impactful ...

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 ...

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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 prominent wolf that lived among Yellowstone's most famous wolf pack is believed to have been illegally shot and killed just outside the park last month, according to wildlife experts. NOTE: The ...

Yellowstone National Park is unlike anywhere else on Earth. Yellowstone National Park is unlike anywhere else on the planet. It's the last intact temperate zone ecosystem on Earth and has a wide ...

Forbes contributors publish independent expert analyses and insights. GrrlScientist writes about evolution, ecology, behavior and health. This voice experience is generated by AI. Learn more. This ...

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

A tourist guide at Yellowstone filmed a wolf chasing after an elk for about 3.5 to 4 miles.