"It's always exciting to see when you have growth," said Kristin Botzet with the Defenders of Wildlife.

Researchers say more wolves are roaming a remote Lake Superior island, using moose as one of their primary food sources.

The gray wolf population in Washington has experienced positive growth since breeding pairs returned to the state in 2008.

SEATTLE — A new pack of Mexican gray wolves has arrived at Seattle's Woodland Park Zoo, offering visitors a chance to see these critically endangered animals in the Living Northwest Trail. The four ...

Washington’s gray wolf population is at its highest count since the state began monitoring in 2008. State and tribal ...

Washington state's wolf population is at its highest level to date since its decimation in the early 20th century, but packs ...

The lone gray wolf sighted in Siskiyou County this spring wasn’t quite so lonesome as it once appeared. On Thursday, the California Department of Fish and Wildlife released photos of five wolf pups ...

Colorado’s collared gray wolves remained anchored in the state’s northwest corner as denning season peaks. This is according ...