One of Yellowstone National Park’s most famous gray wolves, an 11-year-old matriarch who was blind in one eye, has died after ...

The collar on 907F, one of the best-known gray wolves in Yellowstone National Park, signaled "mortality" last week—indicating ...

The U.S. Fish and Wildlife Service and the Washington Department of Fish and Wildlife are looking for the killer of an endangered gray wolf.

Master wolf-observer Rick McIntyre's new book transports readers to the middle of the action, guest reviewer Michael Palmer writes.

BREEDING: The Mexican gray wolf lives in packs of four to nine animals, consisting of two adults and their offspring. The alpha pair will mate for life, and they normally are the only breeding animals ...

Now based in Montana, Donovan describes the gray wolf as “an animal that resembles humans ... in the Yellowstone River became a feast for an alpha female of the Mollie’s wolf pack and her ...

DESCRIPTION: Gray wolves ... the top-ranking “alpha” male and female in each pack breed once each year. Litters are born from early April into May, and they generally include four to six pups. They ...