beautiful black-necked swans swim in a blue lake.

bird animal waterbird waterfowl water wildlife reflection beautiful black-necked swans swim blue lake glare ripples argentina calafate lago argentino swimming cygnus melancoryphus amazing glare south america freshwater black-necked glittering surface ornithology waterfowl ripple plumage argentino bird necked swan picturesque black calm patagonia argentina sun graceful grace neck cygnus patagonia calafate peaceful birds beauty elegant feather swim background swans wild blue lake white beautiful wildlife nature