A federal agency killed a collared wolf that appears to have crossed from Colorado into Wyoming and killed several sheep, government officials said Thursday. The wolf was part of a voter-driven ...

Though the wolves might be outnumbered in Yellowstone, the canines have been known to hunt down bison. That being said, they often need to form a pack and work together to take down just one of the ...

Oregon’s wolf population increased last year, with the animals continuing to expand their habitat westward, according to a ...

In an email Thursday, the USDA’s Wildlife Services confirmed agency officials responded to the sheep killings on private land and found “evidence consistent with a wolf depredation ...