A grizzly bear and cub forage for army cutworm moths in Glacier Park. Grizzlies eat up to 90 pounds of food every day to bulk up for winter, and the moths offer a rich source…
The bears at the WSU Bear Research,Education, and Conservation Center spent September gaining weight at a tremendous rate, up to 10 pounds or more each week, preparing for another winter and hibernation. Starting in late October, they’ll slow down their food intake to get ready for hibernation. “Once they reach their hibernation weight, we’ll slowly […]
Hibernating bears have evolved to add as much fat as possible each fall so they can survive several months without eating, and WSU researchers are working to figure out how they do it.