A beloved matriarch, 907F lived to be 11 years old, which is much longer than the average life span for gray wolves and a rare feat, even for those in the protected area of Yellowstone ...

The gray wolf, also known as the timber wolf or the western wolf, is a canid native to the wilderness and remote areas of North America, Eurasia, and North Africa. It is the largest extant member ...

The smallest gray wolf subspecies in North America, the Mexican gray wolf is also one of the rarest and most imperiled mammals on the continent. The U.S. Fish and Wildlife Service (and its predecessor ...