Chinstrap penguins (Pygoscelis antarctica) ashore at Useful Island, Antarctica, Polar Regions

chinstrap penguin pygoscelis antarctica useful island antarctica polar region social behavior wildlife birds ocean snow mountains colony antarctic landscape seabirds natural habitat cold climate shore swimming foraging nesting interaction ecology biology marine life animal behavior nature wildlife observation habitat feeding conservation penguin colony ice coastal aquatic shorebirds migration exploration environment breeding sea polar ice behavior arctic frigid fauna natural world earth ecosystems climate