“Good morning! Good morning!” The expedition leader’s silky voice softly crooned over the ship’s loudspeaker. The wake-up call came earlier than we expected but it was validated by the news of a polar bear swimming just off the starboard bow.  The marathon of charismatic megafauna was up and running! We saw polar bears and a walrus that would give Jabba the Hutt a run for his money in terms of bulk!