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

In Yellowstone National Park — where gray wolves were reintroduced starting in 1995 — researchers have gone back and forth on whether the restoration of wolves has impacted the ecosystem. The idea is ...

A look at how wolf policy shifted from eradication to protection, and why wolf conflict is rising again across the West.

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 ...

Gray wolves are currently listed as endangered under the Endangered Species Act in most of the lower 48 states, except for ...

New research broadens our understanding of how gray wolves interact with and influence aquatic habitats. On Prince of Wales Island, Alaska, gray wolves have been observed engaging in an unusual ...

I have attended wolf panel discussions and hearings, read articles and researched the wolf. Introducing wolves into the ecosystem does not compare to the slaughter of the buffalo to starve the natives ...

The U.S. Fish and Wildlife Service announced Wednesday that it had completed necropsies on two female wolves that died in the spring. Both were among the 15 wolves relocated to Colorado in January ...

Scientific research has long assumed gray wolves are non-migratory during springtime, staying anchored to tend to litters of nearly helpless pups. For the first weeks of life, after all, pups are ...