978K views · 18K reactions | 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 | Facebook

A long-distance swim through icy-cold water? That's no problem for a polar bear. | National Geographic Animals

686 reactions · 162 shares | Experience the world's greatest concentration of polar bears. Oct & Nov departures, 6-day trips from $7495. | Natural Habitat Adventures | Facebook