Gray wolf pups are born nearly helpless: blind, deaf and lacking the acute sense of smell of their elders. They usually ...

The apex predators, restored to the park in 1995, appear to be keeping the local population of plant-eating elk in check, ...

Gray wolf pups are born helpless—blind, deaf, and without the strong sense of smell that helps adult wolves survive. Normally, these pups stay safe inside their den for at least the first three weeks ...

Wolves have returned to Yellowstone, and their impact is reshaping the park's ecosystem in unexpected ways. Discover how this ...

The reintroduction of large carnivores has initiated a recovery process that had been shut down for decades,” says Painter in a statement.

Aspen trees are thriving again in Yellowstone for the first time in 80 years, thanks to wolves reintroduced in the 1990s that helped control elk herds.

Aspen forest is reclaiming the skyline of Yellowstone National Park after decades of controversy over efforts to return ...

In a new study, a UC Berkeley-led team of biologists observed gray wolves near Yellowstone National Park traveling 20 kilometers or more over rugged, mountainous terrain, with very young pups in tow.

"I'll come down here at night and howl in each of these valleys," he said, gesturing toward the mountain-ringed flatland ...

Let's use another apex predator as an example. According to BBC Wildlife, the hunting of grey wolves at Yellowstone National ...