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 polar regions ice snow wildlife birds antarctic ecosystem social behavior animal interaction marine life cold climate flightless birds penguin colony habitat nature environment conservation biodiversity penguin species foraging breeding nesting icy landscape fauna southern hemisphere winter snowflakes coastal region frozen landscape habitat loss penguin behavior animal groups ecology research expedition ornithology adventure exploration marine ecosystems penguin habitat snow covered arctic conditions penguin activities ice formations avian species