Gentoo penguin (Pygoscelis papua) chick covered with mud and guano on Cuverville Island, Antarctica, Southern Ocean, Polar Regions

gentoo penguin penguin chick cuverville island antarctica southern ocean mud guano wildlife polar regions avian natural habitat animal behavior seabird chick development antarctic fauna coastal environment young penguin penguin colony ecology marine ecosystem birdwatching nature conservation environmental science biodiversity nesting habitat animal care chick feeding cold climate moist soil habitat loss wetland survival penguin species animal growth shorelines penguin activity juvenile wildlife observation young wildlife feeding behaviors penguin parent antarctic conditions unique species polar wildlife