Gentoo penguin (Pygoscelis papua) adult with chicks on Cuverville Island, Antarctica, Southern Ocean, Polar Regions

gentoo penguin pygoscelis papua adult penguin chicks cuverville island antarctica southern ocean breeding season polar regions wildlife nesting family protection avian nature cold habitat marine life flock foraging adaptation survival tundra environment feeding gray chick fluffy nesting ground parental care ecosystems seabird hatching colony social behavior penguin colony cold climate polar habitat animal behavior young penguins aquatic birds biodiversity fauna wildlife conservation egg laying antarctic region natural habitat endangered species cold weather marine ecosystems conservation efforts