Our writer spent 30 hours traveling with arctic wolves and gained a new appreciation for these predators of the tundra.

Of the many animals protected by the Endangered Species Act, there may be no other species more American than red wolf. Known as "America's wolf," red wolves are the only species of wolf that live in ...

They move like ghosts along the shorelines of Canada's Vancouver Island, so elusive that people rarely see them lurking in the mossy forests. British filmmaker Bertie Gregory was one of the lucky ones ...