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

adult gentoo penguins pygoscelis papua returning sea booth island antarctica southern ocean polar regions wildlife nature marine birds shore colony ice rocks antarctic habitat feeding foraging social behavior coastal environment animal species flock aquatic journey migration ecology tundra conservation cold climate exploration adventure penguin chicks family group winter summer snow