Embarking Ushuaia... John Buchanan December 18, 2019 and heading to the Falkland Islands. Leaving the port of Ushuaia, Tierra del Fuego, Argentina. Southern Giant Petrels commonly follow the ship, playing in the draft. The SGP bony beak, consisting of nine plates. The upper tube is a saltwater excreting structure. Sunset at the end of our first day at sea.