PREVIOUS COVERAGE: Multiple wolverine sightings in Oregon "Dispersing animals regularly travel through ... and they are ...

In ideal conditions with no hunting and trapping ... cannot on its own measure sustainability. A trapped animal tells you where a wolverine was when it was killed, not how many are left.

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.