A grizzly bear rubs against a tree in Clayton Lamb‘s British Columbia study area. Clayton uses hair samples from grizzly rub trees to identify individual bears and further our understanding of BC’s grizzlies. Bear claws are one way to identify the bear species. Black bear claws are short and have a darker color. Grizzly claws are long (about as long as human fingers!) and light-colored.
Photo by Clayton Lamb.