Wolf 907F has given birth to pups every year for a decade straight since she became sexually mature, which Kira Cassidy, a research associate at the Yellowstone Wolf Project, said is likely a ...

Wolf 907 in Yellowstone National Park is well into her golden years. With one eye left, she’s considered elderly at the old age of 11. But that hasn’t stopped her from giving birth to another ...

Join Boise State Public Radio and the Idaho Capital Sun on Tuesday, June 17 for a discussion around the history, ...

The oldest known wolf in Yellowstone was also a female, 478F of the Cougar Creek pack, who lived 12.5 years. Starting when she was 2 years old, 907F has given birth to 10 litters. One of 907F’s ...

The first grizzly bear to appear this spring with a new cub in Yellowstone National Park’s Lamar Valley wasn’t messing around ...

"I think she's a very fascinating wolf," Kira Cassidy, a research associate at the Yellowstone Wolf Project, told As It Happens host Nil Köksal. "She has persisted for so long. It's like three or ...

One female wolf living at Yellowstone National Park has reached the age of 11, which is rare. But what’s even more unheard of is the fact that she was able to recently give birth to a litter of ...

Although the total number of surviving offspring are unknown, she is considered the most reproductively successful wolf in Yellowstone’s history. 907F overcame adversity time and again during ...

Others ask about euthanasia to put the wolf out of her misery, as she likely struggles to eat and drink without half of her mouth. While it remains unclear whether YNP staff will take any action, the ...

Referring to “high wolf mortality in a very small percentage ... of multiple wolves from one or two packs that primarily reside in Yellowstone Park,” Brooke writes in the proposal. She also notes that ...

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 decade straight since she ...