Magellanic penguin (Spheniscus magellanicus) at a breeding and molting site in Estancia San Lorenzo, Argentina

magellanic penguin breeding nesting eggs molting argentina estanciasanlorenzo wildlife nature vocalizing animal behavior conservation seabird habitat colony biodiversity marine life foraging mating season incubation natural coastal chicks predator protection flightless bird avian species fauna eggshell parental care shorebird sandy terrain egg hatching dynamics seasonal changes ecological balance south america observation