The Riley Creek pack had almost doubled its acreage of boreal forest, high mountains, graveled riverbeds and tundra hillside.

The alpha female, known to researchers as 832F, was shot and killed in Wyoming. Dec. 10, 2012 — -- The killing of the "most famous wolf in the world" at Yellowstone National Park is coinciding ...

Yellowstone is the ultimate stage for epic wolf dramas-- pack bonds, rivalries, invasions, exiles, and killings. It's also the best place to study wild wolf behavior, because you can get close enough ...

Wolf 926F, a 7 ½-year-old Yellowstone female that was shot by a hunter near Silver Gate last month, had a “very famous lineage,” according to Rick McIntyre, a veteran park wolf watcher.

In 1924, the last gray wolf in California was shot. For the next 87 years, the native species completely vanished from the state. But now, a century after the fatal shot was fired, seven packs of gray ...

Wolf 926F, a 7 ½-year-old Yellowstone female that was shot by a hunter near Silver Gate last month, had a “very famous lineage,” according to Rick McIntyre, a veteran park wolf watcher. His ...