Scientists debunk decades-long study claiming wolves' reintroduction triggered a dramatic transformation in Yellowstone.

Previous research on the effect of wolves on the food web has been criticized, raising questions about the predator’s role in ...

On four separate occasions, Wolf 907F seized power as the alpha female leader of the Junction Butte Pack in Yellowstone National Park. (National Park Service file photo courtesy of Jeremy ...

The reintroduction of wolves to Yellowstone National Park in the 1990s had a cascading effect that benefited the entire ecosystem, a new study finds. The finding shows how the return or loss of apex ...

Wolf 8 was the smallest of all the male wolves released into Yellowstone and probably was the least likely to become a successful alpha male. When he was a yearling, equivalent to a teenager in human ...

YELLOWSTONE NATIONAL PARK – Snow crunched underfoot as Mark Hebblewhite scanned the ridgelines of Canada’s Banff National Park. It was 1995, and the young biologist, fresh out of undergrad, was ...

Source: Greystone Books, with permission. Rick McIntyre, who has logged more than 100,000 sightings of Yellowstone's wolves, is a legend―or most people would say the legend―among wolf researchers.