But Paunovich soon realized it was Canis lupus: the gray wolf. The last wolves seen in Yellowstone — two pups — were killed ...

Just the day before, a pack of wolves known as the Wapiti, had found a large bull bison that was weak and injured. Based on its size, this big boy was near the end of its lifespan and the winter ...

This grassland valley north of Yellowstone Lake is a highly visited gathering place for bison, elk, coyotes and grizzly bears. In fact, Hayden Valley is home to the largest rut of free roaming ...

Just the day before, a pack of wolves known as the Wapiti, had found a large bull bison that was weak and injured. Based on its size, this big boy was near the end of its lifespan and the winter ...