Wolves are known to travel long distances, but one Colorado wolf covered the distance equivalent from Denver to San Francisco in four months.

Once loathed as a "beast of waste," the gray wolf ... the reintroduction of wolves to the northern Rocky Mountains, where they were wiped out long ago. Caught in Canada and flown to Yellowstone ...

YELLOWSTONE NATIONAL PARK ... public comments were received — the federal government approved the reintroduction of wolves to Yellowstone National Park. Spectators lined the road to the north ...

Over the last month, two of Colorado’s latest gray wolf transplants were killed after crossing the border into Wyoming.

The Yellowstone staff and conservationists who were directly involved in this wolf reintroduction project thought the footage was lost forever. They thought it would never be seen again by anyone.

"Free-ranging wolves in Yellowstone: where are they gonna go? What are they gonna do?" A must see trailer for one of my favorite documentary films of the year so far. Lost Wolves of ...