This bison wasn’t putting up with one particular wolf’s bull. They say you’re always stronger in numbers, but this wolf pack learned the hard way that that’s not always the case. Incredible footage ...

Wolves in Yellowstone National Park will sometimes test their predation skills on lone adult bison. But there can be painful consequences. The accompanying footage, captured by Billy Fabian while on a ...

A review study shows that Yellowstone National Park's reintroduction of wolves was more complicated and predator conservation ...

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 ...

Wyoming’s Yellowstone bison look miserable when caked in snow and frost, but their thick coats, fat reserves and efficient digestion keep them warm ...

Gray wolves were once plentiful in Colorado. As settlers moved west and hunted the gray wolves’ natural prey, such as bison ...