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 antarctic peninsula antarctica polar regions wildlife birds ice snow colony habitat penguin behavior animal gathering avian nature cold climate sea ice ecosystem population marine biology flightless birds shore survival breeding season mating nesting colony dynamics biodiversity penguin chick adult penguins icy landscape coastal south pole animal interaction natural habitat climate ecosystem balance conservation photogenic wildlife observation winter plumage penguin species migratory patterns marine ecosystem feeding grounds natural world animal migration winter landscape