Yellowstone is home to some of North America's most iconic wildlife, including the Big Five. Here's what you need to know ...

"The restoration of wolves and other large predators has transformed parts of Yellowstone." Experts document remarkable ...

Thirty years after their reintroduction in Yellowstone, wolves have proven their ecological worth, at least in the context of ...

Wolves culled the elk. Fewer elk means more aspens can grow. More beavers are attracted to the trees. It's called a trophic ...

The USDA’s Wildlife Services officials on Saturday shot and killed a male wolf released in Colorado from British Columbia ...

State and federal laws strictly protect wolves within Colorado. Once a wolf wanders into Wyoming, however, it’s no longer ...

Sarcoptic mange, which has had an impact on gray wolves in Yellowstone National Park, now threatens Tulare County wolves. It is not known how many wolves in the Yowlumni pack have mange.

Mark Hebblewhite is a professor of ungulate habitat ecology at the University of Montana. He and the University’s W.A. Franke ...

The Yellowstone Wildlife Sanctuary is celebrating a special milestone with its Gray Wolf ambassadors, Pilot and Index, who ...

There are 15 gray wolves in Tulare County’s Yowlumni pack ... Incidences of wolf packs attacking each other have been observed in Yellowstone, according to DeTar, explaining that this is usually ...

Snow crunched underfoot as Mark Hebblewhite scanned the ridgelines of Canada’s Banff National Park. It was 1995, and the ...