Adeli Penguins in the Southern OceanA group of Adeli Penguins are seen here in the Antarctic sea ice of the Southern Ocean.© Greenpeace / Jiri Rezac
Emperor and Adeli Penguins in the Southern OceanEmperor and Adeli Penguins are on a piece of open ice in the Southern Ocean.© Greenpeace / Jiri Rezac