Adult gentoo penguins (Pygoscelis papua), returning and coming from the sea at Booth Island, Antarctica, Southern Ocean, Polar Regions

gentoo penguins pygoscelis papua booth island antarctica southern ocean polar regions wildlife sea shore return foraging colony marine life penguin behavior rock ice environment habitat animal behavior shorebirds fauna ocean journey social interaction penguin group cold climate flightless birds nesting breeding grounds coastal area penguin habitat natural habitat seabirds penguin colony coastal ecosystem animal community nature conservation ecological balance southern hemisphere icy terrain wildlife exploration penguin family marine ecosystem antarctic region wildlife observation coastal wildlife natural world underwater foraging avian species biodiversity penguin trails