A new study shows that interactions between wolves and cougars in Yellowstone National Park are driven by wolves stealing prey killed by cougars and that shifts in cougar diets to smaller prey help ...

Detailed weight data on wolves near Yellowstone reveals that Wyoming's wolves seem to weigh much more than gray wolves in other parts of the Lower 48. Here's why ...

Few animals symbolize wild interconnectedness quite like wolves, whose return helped reveal just how tightly ecosystems are woven together.

Wyoming wolves are stout compared to some other Lower 48 subpopulations, and the reason why they tend to run hefty is ...

A wolf in Yellowstone doesn’t need to see a hiker to know one is close. It picks up the scent, hears the footfall, registers ...

In Yellowstone National Park, the reason cats and canines don’t get along is simple — wolves will kill cougars and steal their food. A recently published study that utilized GPS collar data collected ...

For wolves in Yellowstone, it’s all about survival. Pack members sometimes put the smackdown on each other, just to maintain ...

This bison herd said better luck next time to a pair of hungry wolves in Yellowstone National Park. It only makes sense that this incredible video below took place in Yellowstone. There’s an estimated ...

A virus outbreak hit Yellowstone wolf pups hard in 2025.

A new study shows that interactions between wolves and cougars in Yellowstone National Park are driven by wolves stealing prey killed by cougars and that shifts in cougar diets to smaller prey help ...