Most people are familiar with the gray wolf, which was reintroduced to Yellowstone National Park in 1995, and has since established populations in several Western states. But there’s an endangered ...

A conservation group is suing the U.S. Fish and Wildlife Service, arguing its decision not to release a national gray wolf recovery plan violates the Endangered Species Act.

Wolves usually rely on cooperation to survive. Hunting large prey such as elk typically involves multiple pack members ...

Add Yahoo as a preferred source to see more of our stories on Google. The Center for Biological Diversity filed a lawsuit in federal court challenging a decision the U.S. Fish and Wildlife Service ...

Most people are familiar with the gray wolf, which was reintroduced to Yellowstone National Park in 1995, and has since established populations in several Western states. But there’s an endangered ...

Most people are familiar with the gray wolf, which was reintroduced to Yellowstone National Park in 1995, and has since established populations in several Western states. But there’s an endangered ...