animal aquatic avian beak bill bird birds crane cranes duck ducks feather stork storks wade wading wing wings animals feathers float ganzo goose mallard nature pato swim webbbed feet adult-bird Australia Australian banded beaks bills black care cautious color colored colorful colors colour coloured colourful colours conservation contrast dark distance distant flock group grouping large long-legged longshanks mature mixed protected protection shore shore-bird shore-line stilts tagged territorial variety waders wading-birds water-birds appearance aquatic bird circles circular common fauna fowl light movements moving native-fauna omnivore omnivorous peaceful placid pond reflections ripples rippling swamp-hen swimming textures water waterbirds waterfowl wild-life black-necked-stork carnivore coloring colouring contrasting ephippiorhynchus-asiaticus glossy Jabiru large-birds long-necked near-threatened plumage slender wading-bird water-bird wetlands accomplished-swimmer blue-penguin burrow carnivores carnivorous diver eudyptula-minor eudyptula-minor-novaehollandiae fairy-penguin flightless flippers limestone-shelter little-penguin penguin pool pursuit-diver shelter sheltered smallest-penguins standing swimmers wet wildlife zoo penguins poolside waiting underwater-vision