Adelie penguins (Pygoscelis adeliae) hauled out onto the ice near Adelaide Island, Antarctica, Polar Regions

adelie penguins pygoscelis adeliae antarctica ice natural habitat polar region cold climate wildlife walking coast glaciers ocean birds aquatic animals behavior fauna habitat conservation snow migration community colony breeding antarctic ecosystem marine life seasonal changes exploration research icy waters penguin activity flightless birds cold weather social animals wildlife observation ecosystem trekking antarctica wildlife oceanic habitat penguin colony habitat protection ice formations adaptation nesting coastal environment fauna diversity