First year Adelie penguin (Pygoscelis adeliae) chicks at breeding colony at Brown Bluff, Antarctica, Polar Regions

adelie penguin chicks breeding colony antarctica polar regions icebergs exploration wildlife nature antarctic sea ice penguin behavior avian marine life habitat young penguins survival animal interactions cold climate expedition chick development ocean water snow migratory birds natural habitat ecological balance biodiversity antarctic ecosystem aquatic social behavior habitat preservation nestling care animal family cold weather ice landscape penguin habitat colony life animal behavior species diversity coastal region penguin rookery natural environment marine ecosystem polar wildlife scientific observation