Summers in the Arctic are short, but they can be very colorful. During this time, polar bears will forage for bird eggs and hunt arctic ground squirrels and beluga whales. These playful cubs—captured on film by Martin Gregus Jr —are making the most of the season, and even manage to convince their mother to join in their fun. See the softer side of polar bears in summer: https://on.natgeo.com/4meysoN | National Geographic