An adult Leucistic Gentoo penguin (Pygoscelis papua) in Neko Harbor, Antarctica

animalia animal ave aves adult adult animal adult animals animal marking animal markings animal theme animal themes animals bird birds class color color image color images colour colour image colour images contrasting contrast days day flightless bird flightless fully grown gentoo penguins gentoo penguin leucistic mature near threatened neko harbour no one no people no person no body no one nobody outdoors outside penguin pygoscelis papua penguins portrait spheniscidae sphenisciformes standing out standing out from the crowd sea bird sea birds seabird seabirds sgoa small group of animals vertical s051