The alpha female of a Yellowstone gray-wolf pack has defied the odds by having a 10th litter of pups at the age of 11. The one-eyed wolf elder, named Wolf 907F, gave birth to her latest litter ...

In the 1920s, gray wolves were exterminated in the Yellowstone area because people viewed them as a threat to people and ...

Read more about the history of Yellowstone National Park. A camera trap captures a gray wolf in Yellowstone. Between 300 and 350 of the predators live in the region. Photograph by RONAN DONOVAN ...

The northern range of the park also happens to be one of the best places in the world to watch the gray wolf – a far more elusive creature than the bison, elk, and moose visitors to Yellowstone ...

according to Yellowstone spokesperson Linda Veress. “Leadership of the pack during 907F’s life was more fluid than typical for gray wolf packs, with some switching between adult females ...

“The facts are clear and indisputable—the gray wolf no longer ... the right decision in the end.” A wolf pack investigates grizzly bear tracks in Yellowstone's Pelican Valley.

a mind-controlling parasite that makes a gray wolf engage in riskier behavior. Researchers found that gray wolves in Yellowstone National Park infected with a parasite known as Toxoplasma gondii ...

Here’s how it works. The alpha female of a Yellowstone gray-wolf pack has defied the odds by having a 10th litter of pups at the age of 11. Wolf 907F has given birth to pups every year for a ...