Smaller than the gray is the red wolf, at roughly 66 centimeters ... but what was the biggest wolf that ever lived? The dire wolf (Canis dirus) was said to be around the size of the largest ...

While the dire wolf lives on in popular fiction and lore, some of today’s wolves are close seconds in terms of their enormous size. Watch to discover which wolf species measure the largest on Earth.

RALEIGH, N.C.— In response to a legal victory by the Center for Biological Diversity, the U.S. Fish and Wildlife Service today issued a new recovery plan for the red wolf, the world’s most endangered ...

RALEIGH, N.C.— After years of litigation and advocacy by the Center for Biological Diversity and its allies, the U.S. Fish and Wildlife Service announced Tuesday night that it is revitalizing the ...