Researching black bears in winter dens

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

Looking inside a black bear den - Naturally North Idaho

Black Bear

New York State Seeking Assistance in Locating Black Bear Dens

UW-Stevens Point project sheds light on Wisconsin's black bears

Here's My 2021 Newfoundland Spring Black Bear, Taken On The 5th

How to deter black bears from yards and what to do if encountering one

Black Bear Vermont Fish & Wildlife Department

Black Bears - Bears (U.S. National Park Service)

BLACK BEAR WINTER DENNING - BORDERLANDS RESEARCH INSTITUTE

Into the Bear's Lair, January–February 2020

What Happens When A Bear Hibernates? - The Whistler Insider

Black Bear Biology & Behavior - Western Wildlife Outreach