Black-necked Swan
: Animalia : Chordata : Aves : Anseriformes : Anatidae : Cygnus : melanocoryphus
Binomial name
Cygnus melanocoryphus (Molina, 1782)

The Black-necked Swan (Cygnus melanocoryphus) is a member of the duck, goose and swan family Anatidae. It is a waterbird of South America.

This swan breeds in Patagonia, Tierra del Fuego and on the Falkland Islands. In winter, this bird migrates northwards to Paraguay and southern Brazil.