Arizona House passed bills allowing ranchers to kill Mexican gray wolves, drawing challenges from Democrats over the Endangered Species Act ...

Champions of the Mexican gray wolf are watching a bill introduced in Congress by Rep. Paul Gosar, R-AZ, to remove the wolf ...

ORR, Minn. – Wildlife researchers often focus on rates of survival and causes of mortality. Sometimes one animal serves to illustrate both. Within minutes of the start of a field expedition in ...

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 ...

Although wolves aren't found worldwide, these beautiful and elusive animals are found on several continents in the Northern Hemisphere. While Gray wolf numbers are on the rise in Europe, the wolf ...

The removal of the Beyem Seyo wolf pack from the wild is a tragedy - and one that was completely avoidable. The California Department of Fish and Wildlife's decision to kill four wolves in mid-October ...

The death of a gray wolf during routine collaring operations in Routt County last month was caused by acute cardiogenic shock ...

After a completed necropsy, Colorado Parks and Wildlife confirmed that a 3-year-old wolf died from capture-related complications during a collaring operation in January.