Adult gentoo penguin (Pygoscelis papua), on eggs at Port Lockroy, Antarctica, Southern Ocean, Polar Regions

gentoo penguin pygoscelis papua eggs incubation port lockroy antarctica southern ocean polar regions wildlife nature animal behavior parenting breeding penguin habitat rocky terrain marine birds avian species conservation nesting southern hemisphere flightless birds natural environment biodiversity egg laying animal instincts penguin colony coastal ecosystem ecosystem biological diversity species cold climate oceanic birds antarctic wildlife penguin breeding nurturing environment habitat fauna seabirds wildlife preservation penguin eggs penguin care cold environment penguin species wildlife observation animal reproduction marine life animal protection population penguin nest