Chinstrap penguin pair (Pygoscelis antarctica) mating at a breeding colony on Barrentos Island in the Aitcho Island Group in the South Shetland Islands near the Antarctic Peninsula

sealife sea life nobody barrentos island aitcho island group south shetland islands antarctic peninsula chinstrap penguin pygoscelis antarctica bird birds penguins seabird seabirds reproduction adult adults behaviour mating sex male female pair