Species in the genus Cygnus
- Black Swan (Cygnus atratus) (Add observation)
- Black-necked Swan (Cygnus melanocoryphus) (Add observation)
- Mute Swan (Cygnus olor) (Add observation)
- Trumpeter Swan (Cygnus buccinator) (Add observation)
- Tundra Swan (Cygnus columbianus) (Add observation)
- Whooper Swan (Cygnus cygnus) (Add observation)
Taxonomic source: WorldBirdNames.org
