Allan Hathaway, a wildlife photographer, captured the video of the Wapiti wolf pack chasing after the lone bison in Yellowstone National Park.

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: ...

It only makes sense that this incredible video below took place in Yellowstone National Park. There’s an estimated 5,400 bison that call the beautiful national park home, and around 120 wolves also ...

These Yellowstone interior wolves, considered bison-killing specialists, often use groomed park roads to get around in winter, at times walking right by snowmobilers buzzing down the road on their way ...

Add Yahoo as a preferred source to see more of our stories on Google. A photographer has captured a strikingly graphic image that reveals the raw dynamics at play during winter in Yellowstone National ...

In Yellowstone National Park, when a bison dies it’s not long before wolves or grizzly bears move in on the carcass. If one or two wolves are on the carcass, a lone grizzly bear can usually clear them ...

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 ...

Bison are among the most powerful land mammals in North America, capable of sprinting at surprising speeds despite their massive size. Their muscular necks, heavy skulls, and sharp horns are built for ...

WARSAW, Poland (AP) — A pack of wolves in eastern Poland made a wrong choice of prey when it tried to attack a herd of bison, but was dismally chased away. An online camera installed by state forestry ...