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

gentoo penguins penguin chicks mud guano breeding season antarctica wildlife polar regions southern ocean cuverville island baby pets birds nature coastal environment animal behavior fluffy feathers marine life avian species nestlings rocky terrain southern hemisphere seabirds colony exploration ecosystem chick development adaptation mother penguins feeding habits ecological balance natural habitat conservation biodiversity nests penguin colony habitat animal families environmental conditions seabird behavior polar climate animal interaction nature observation cold regions low temperatures group dynamics