beautiful black-necked swans cygnus melancoryphus swim in the lake

water bird animal waterbird coast wildlife waterfowl beautiful black-necked swans cygnus melancoryphus swim lake glare ripples blue argentina calafate argentino swans waterbird plumage black necked swan watching elegance melancoryphus graceful black-necked argentina grace picturesque black neck cygnus argentino amazing waterfowl swim bird birdwatching sun glare pond natural surface calm ripple lago south america lake patagonia patagonia calafate ornithology fauna avian white background beautiful wild wildlife blue water nature