Adult black-crowned night-heron (Nycticorax nycticorax falklandicus) on Carcass Island in the Falkland Islands, South America

carcass island falkland islands south america coastal bird wildlife heron red eyes adult heron fauna nature avian perch vegetation shore ocean habitat behavior feeding grooming breeding ecology wetlands ecosystem birdwatching migratory bird conservation natural habitat marine environment outdoor animal behavior species ornithology nests nutritional habits ecological role coastal environment environment nature lovers flora evening activity solitary bird bird identification