courtship behavior of blue-eyed cormorants or blue-eyed shags on new island, falkland islands

america animal antarctic antarctica argentina auritus beak behavior bird black blue blueeyed cormorant couple courtship crest crested eye eyed eyes falklandfalklands feathers heads island islands las malvinas maritime mating nature neck outdoors phalacrocorax ritual south two wildlife imperial shags shag falkland falklands feather head headauritus leucocarbo new pole profile