Gentoo penguin coming ashore, after foraging at sea, walking through ocean water as it wades onto a sand beach.  Adult gentoo penguins grow to be 30&#34; and 19lb in size.  They feed on fish and crustaceans.  Gentoo penguins reside in colonies well inland from the ocean, often formed of a circular collection of stones gathered by the penguins, Pygoscelis papua, New Island