In one clip, a black wolf and a gray wolf slowly crossed a stream in the forest, the water nearly up to their bellies, before ...

Ranchers in Teller County are expressing concern after a gray wolf was spotted for the first time in the county.

Yellowstone is home to nearly 5,000 bison, which must contend with wolves in the winter ... According to the park, bison can attain speeds of 30 mph, so stampedes are awesome and, at times ...

A new study reveals the profound ecological effects of wolves and other large carnivores in Yellowstone National Park, ...

The video footage, released on SAVE Wildlife Conservation Fund Poland's Facebook page on February 4, compiles two clips from the wildlife camera. The first shows a black wolf slowly padding through ...

As people gathered on a road in Yellowstone to watch a pack of wolves devour a bison, the buffalo’s herd charged into them ...

A new study has unveiled the far-reaching ecological impact of wolves and other large carnivores in Yellowstone National Park ...

A pack of wolves took down a bison in Yellowstone National Park and attracted a crowd of people — that the rest of the bison ...

Yellowstone National Park. Wolf portrait taken from a vehicle in a pullout. Yellowstone National Park. Wolf, magpies, and ravens at carcass near Soda Butte.

When temperatures dip below zero in Yellowstone National Park, tourists are scare but the park’s 4,500 bison carry on out of ...

Laws and regulations adopted by Montana and Idaho lawmakers to reduce wolf populations were "at odds with modern professional ...

A new study reveals the profound ecological effects of wolves and other large carnivores in Yellowstone National Park, showcasing the cascading effects predators can have on ecosystems.