One of the oldest and most beloved wolves in Yellowstone National Park died after a fight with a rival pack in late December, ...

Sunday, wolves were reintroduced to Yellowstone. Then-Wyoming Gov Jim Geringer recalls former Interior Secretary Bruce ...

One of the oldest and most beloved wolves in Yellowstone National Park died after a fight with a rival pack in late December, park officials said. Wolf and wildlife advocates are mourning the loss ...

In his most recent offering, Thinking Like a Wolf: Lessons from the Yellowstone Packs, McIntyre takes a broad look at the ...

Kira Cassidy is a wildlife biologist for the Yellowstone Wolf Project, an initiative managed by the National Park Service and ...

It's been 30 years since an effort was launched early in the 1990s to return wolves to Yellowstone National Park.

Bison are most commonly spotted here, though visitors may also catch a glimpse of grizzly bears, badgers, bald eagles and wolf packs, which were reintroduced to Yellowstone in 1995. Though closed ...

curid=1743310 Kira Cassidy, a Yellowstone Wolf Project member, states that wolves hardly die of old age. They are more likely to pass away due to some other life-threatening event. Be it a territorial ...

(Image credit: Yellowstone Wolf and Cougar Project) Wolf 907F is the alpha female of the Junction Butte pack in Yellowstone’s Northern Range. Her advanced age and continued reproductive success have ...