Guests aboard National Geographic Explorer in Arctic Svalbard enjoyed a rare sighting yesterday: a polar bear feasting on a beluga whale. How did this bear manage to catch a whale nearly twice its weight? Perhaps the whale was killed by ice calving off the glacier, though the bear would still have to drag the dead beluga onto the ice—no small task. In any case, it is impossible to know since we arrived just in time to see the bear over its kill. It is indeed a rare sighting; in our 30+ years exploring Svalbard only one of our naturalists has ever seen a polar bear feasting on a beluga whale.