Black-Necked Swan (Cygnus Melancoryphus). A Black-Necked Swan Gliding On A Lake. This Elegant Bird Feeds On Aquatic Plants, Algae, And Small Invertebrates

KEYWORDS

blacknecked swan cygnus melancoryphus south america freshwater lakes marshes coastal lagoons aquatic bird elegant waterfowl algae eater plant invertebrate swimming wetland swans birdwatching water graceful white american black neck longnecked habitat wildlife nature ornithology marsh species ibis behavior diet wild fauna lagoon conservation waterbird birdlife commonly found gliding lake feeds plants small invertebrates