Aerial footage shows sheep moving in formation as they are guided across a highway by three farmers and a dog. After crossing the road, the animals continue grazing in a field. The striking ...

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 ...

A driver experienced an unexpected delay after thousands of sheep crossed Highway 40 in northwest Colorado on Friday morning.