Imperial shag (Phalacrocorax atriceps), returning to the nest on New Island in the Falkland Islands, South America

imperial shag phalacrocorax atriceps nesting new island falkland islands south america bird wildlife nature avian marine life seabird fishing colony habitat ground nesting coastal behavior flight return foraging ecosystem shore tropical exploration biodiversity conservation natural habitat animal behavior feathers beak wings flapping water bird breeding migratory feeding ecological role environment ornithology south atlantic wildlife sanctuary reproductive courtship nest building grassland grass landing coastal ecology marine ecosystem