Adelie penguins (Pygoscelis adeliae), with chinstrap penguins (Pygoscelis antarctica), on ice at Booth Island, Antarctica, Polar Regions

adelie penguins chinstrap penguins pygoscelis adeliae pygoscelis antarctica booth island antarctica ice polar regions wildlife nature snow colony seabirds marine life arctic habitat penguin behavior climate antarctic ecosystem fauna cold weather ice environments animal interaction flightless birds antarctic wildlife ocean habitat social behavior breeding habitat food environment coastal region snow covered landscape research conservation biodiversity natural habitat icy terrain penguin species adaptation ecosystems snowflakes water's edge antarctic peninsula preservation habitat loss animal welfare polar exploration ecosystem balance migratory birds environmental science