Adult Patagonian crested duck (Lophonetta specularioides specularioides) on Carcass Island in the Falkland Islands, South America

carcass island falkland islands south america wildlife birdwatching nature marine habitat shore behavior shorebird waterfowl natural habitat adult duck brown plumage feeding rocky shore wetlands ecology avian species outdoor animal coastal aquatic conservation habitat migratory bird biodiversity native species avifauna birding fauna region habitat loss species conservation scenic natural environment adventure exploration ecosystem nature lovers outdoor activity wildlife observation waterbird