cyg-

(Latin: swan)


cygneous
cygnet
Cygnus
Dendrocygna
Dendrocygninae is a subfamily of the duck, goose and swan family of birds, Anatidae.

It contains only one genus, Dendrocygna, which consists of eight species. These species are the whistling ducks and they have a worldwide distribution through the tropics and subtropics. These ducks have distinctive whistling calls.

—en.wikipedia.org/wiki/Dendrocygna