The real issue for these litigants is that with wolves back in the ecosystem, elk are acting like wild animals again, ...

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

Yellowstone National Park never fails to impress when it comes to drama, especially in the high-stakes encounters between ...

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

In Yellowstone, this involves wolves and other large carnivores ... riparian vegetation represented by the growth in both ...

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

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

Those who want to learn about Yellowstone wildlife in a more ... most said its habitats housing live bears and wolves along with its large viewing areas were great. To avoid feeling crammed ...

Mark Hebblewhite is a professor of ungulate habitat ecology at the University of Montana. He and the University’s W.A. Franke College of Forestry and Conservation have collaborated with the ...

In March 1995, a few wolves cautiously exited their pens into the melting snow of Yellowstone National Park, returning there ...

About 50 Yellowstone National Park visitors got the wildlife viewing opportunity of a lifetime in late January. Perched above Hayden Valley, they watched as the Wapiti Lake wolf pack pursued a ...

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