Gentoo penguin (Pygoscelis papua) adults molting on Cuverville Island, Antarctica, Southern Ocean, Polar Regions

gentoo penguin pygoscelis papua molting cuverville island antarctica southern ocean polar regions wildlife seabirds nature feathers birds avian penguin behavior cold climate marine biology ecosystem rocky terrain summer season animal adaptation subantarctic shore mating season conservation habitat natural environment nesting breeding wildlife observation penguin colony foraging ice snow cold weather fauna natural habitat migratory birds exploration research biodiversity north south pole animal behavior antarctica flora penguin characteristics