Through the heart of the frozen north, roams a creature with a mystique as old as the mountains and a reputation as big as all outdoors: Wolverine. The name conjures an image of a savage, solitary killer who crushes bones to powder with powerful jaws. But who, really, is the wolverine? We’ll travel deep into the secretive world of this mysterious carnivore with the bold few who have spent years on the wolverine’s trail. As we meet this phantom face to face, we find a remarkable animal far more vulnerable than villainous, with a fierce appetite for survival and for surprise.

http://www.pbs.org/wnet/nature/