aquatic bird Australian bird coastal common cormorant dive divers diving fish-eaters freshwater bird inland lakeside lakeside rock little pied cormorant phalacrocorax melanoleucos rock saltwater bird seabirds shag small small cormorant web-footed webbed feet widespread adaptable appearance black-capped bright crest crested crested-tern diver fish-catcher freshwater greater-crested-tern perched perching plunge-diving river riverside saltwater seabird sunlight sunshine swift-tern tern thalasseus-bergii water-bird yellow-billed beak branch cormorants feathers plant water wings yarn