Chinstrap penguin (Pygoscelis antarctica) bringing a rock to the nest at a colony on Barrentos Island in the Aitcho Island Group in the South Shetland Islands, Antarctica

sealife sea life nobody barrentos island aitcho island group south shetland islands antarctic peninsula chinstrap penguin pygoscelis antarctica bird birds penguins seabird seabirds ice snow close up close ups close ups close up reproduction adult adults rock rocks nest nesting behaviour building materials stone beak beaks holding one animal