For decades, biologists have known that grizzly bears climb Greater Yellowstone’s highest mountains to gorge on one of the bears’ more surprising food sources: the army cutworm moth. Now researchers ...

Park rangers at Yosemite are saying to stay away from “one of the most dangerous animals” in the park. According to Yosemite National Park, when one thinks of dangerous wildlife, they ...

Mule deer bucks, especially during mating season, are prone to aggressive behavior, using their antlers to fight one another, ...

Bears may seem like the ultimate predator, especially in Yellowstone National Park, but when they come face-to-face with ...

A herd of bisons were seen scratching an itch on trees at the Specimen Ridge area of Yellowstone National Park. “Everybody asks me how come the trees are all rubbed. This is why,” said Cindy Shaffer, ...