How do bears make their dens?

Most bear species spend at least part of the winter season snoozing – a.k.a. hibernating! To prepare for that extended nap sesh, bears snuggle up in cozy dens where they can stay safe and hidden. But how does a bear make a den? We asked biologist Imogene Cancellare to help us find the answer. Got a question that’s making you feel a bit grizzled? Send it to us at BrainsOn.org/contact, and we’ll help i-DEN-tify the answer! See omnystudio.com/listener for privacy information.