a lonely black-necked swan cygnus melancoryphus swims on a blue lake.

bird water sea animal waterbird wildlife reflection wave waterfowl beak lonely black-necked swan cygnus melancoryphus swims blue lake neck elegantly curved ripples glare sun argentina calafate lago argentino swan amazing plumage bird peaceful swans swimming melancoryphus graceful glare south america black-necked ornithology ripple grace picturesque surface neck calm patagonia argentina argentino calafate patagonia single elegance swans waterbird waterfowl migrate birds beauty reflection elegant cygnus blue swim black feather wild beautiful white wildlife lake water nature