Keywords: Cygnus melanocorypha EN.jpg Black-necked Swan Source en wikipedia Black-headed Swan at Paignton Zoo Devon England Photographed by Adrian Pingstone in July 2003 and released to the public domain Note that the strange red colour of the water is correct the area has reddish soil and this stains the water Arpingstone Birds in Paignton Zoo Cygnus melancoryphus Cygnus melancoryphus in zoos |