Image by Peter Mather. A wolverine departs successfully fitted with a radio collar. In March 2016, I cracked open the lid of a stout wooden box on Alaska's North Slope and was met with a growl.

Wolverine sightings are exceedingly rare ... Most wolverines are found in Alaska, where there are thought to be around two wolverines per 1,000 square miles. Like bears, wolverines walk on ...

Something (at the time) yet to be attempted in Alaska’s northern wildernesses. A male wolverine delivers a gift for its mate. A charming and caring piece of fatherly devotion rarely recorded in ...