Adelie penguins (Pygoscelis adeliae), at breeding colony at Brown Bluff on the eastern side of the Antarctic Peninsula, Antarctica, Polar Regions

adelie penguins pygoscelis adeliae breeding colony brown bluff eastern side antarctic peninsula antarctica polar regions wildlife natural habitat ice snow walking colony migration nature birds environment cold climate winter coastal surface habitat social behavior species avian subantarctic colonies marine ecosystem conservation penguin behavior arctic ice sheet animal groups exploration research cold weather fauna biodiversity animal migration nesting reproduction penguin colony snow covered glacial habitat preservation species protection eco tourism environmental science