"Painter et al. claim that large-carnivore recovery in Yellowstone National Park has produced a strong trophic cascade ...

The commonly held claim that wolves reintroduced into Yellowstone National Park in the mid-1990s spearheaded a "trophic cascade" of ecological restoration, as some studies indicated, is unfounded, ...

Yellowstone’s wolf reintroduction has often been described as one of conservation’s clearest trophic-cascade success stories.

Ecosystems in the Northwest were heavily shaped by wolves before they were nearly wiped out of the region, a new study finds. By the 1930s, gray wolves were nearly gone in Oregon and the rest of the ...

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 ...

Thirty years ago, park rangers reintroduced grey wolves into Yellowstone National Park. They wanted to restore the ecosystem and get the elk... What is the legacy of Yellowstone wolves 30 years after ...

The impact of the wolf population recovery on the ecosystem of Yellowstone National Park could have been significantly ...

On Prince of Wales Island, Alaska, gray wolves are doing something unexpected: hunting sea otters. This surprising dietary shift appears to have notable implications for both ecosystems and wolf ...

"Wolves could play a small but potentially important role in the natural regulation of bison numbers." ...

A gray wolf at the Wildlife Science Center in Forest Lake, Minn. Colorado is going to be reintroducing gray wolves. (Dawn Villella/Associated Press) Ecosystems in the Northwest were heavily shaped by ...