Zoo Knoxville is celebrating the Earth Day birth of six critically endangered red wolf pups. The pups were born to first-time mother Cirilla and nine-year-old Buckeye as part of a national breeding ...

Red wolves, which can grow to be about 80 pounds, have been called the most endangered wolf species on Earth. They once lived across parts of the southern and eastern United States but nearly ...

In light of escalating gray wolf activity, sheriff departments from seven California counties are uniting to oppose environmental polices they believe threaten ranchers and farmers.

California wildlife officials have launched a public mapping system that displays the approximate locations of GPS-collared gray wolves across the state, offering a new tool for livestock ...

Yellowstone's Junction Butte wolf pack failed in a recent attempt to kill a bison, but the pack appears to be thriving again after the death of its former alpha female, Wolf 907F.

A third reintroduced gray wolf from British Columbia has been found dead, this time in Rocky Mountain National Park. The U.S. Fish and Wildlife Service is investigating the death, as gray wolves ...