Researching black bears in winter dens

MassWildlife biologists visit black bear dens every winter to collect valuable data.

American Black Bear - Shenandoah National Park (U.S. National Park

MassWildlife Monthly April 2022

Find a Bear Den, Leave it Alone - N.C. Wildlife Resources Commission

Black Bear Vermont Fish & Wildlife Department

Scenic New Hampshire - Latest Blog Postings.

Black Bear

Michigan hunters asked to keep eye out for, report bear dens

Into the Bear's Lair, January–February 2020