black-necked swan or cygnus melancoryphus also known as black-necked swan, has a black head and neck, white body

amazing animal avian background beak beautiful beauty bird black blacknecked cygnus day elegant environment fauna feather green lake landscape melancoryphus national natural nature neck necked one ornithology outdoor outside park peaceful plumage pond red reflection river summer swan swim water waterfowl white wild wildlife wing zoo