Birds of the World
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Birds of the World
Family Anatidae
Swans
| Mute Swan | (Cygnus olor) |  |  |  | |
| Black Swan | (Cygnus atratus) | | | | |
| Black-necked Swan | (Cygnus melancoryphus) | | | | |
| Whooper Swan | (Cygnus cygnus) | | | | |
| Trumpeter Swan | (Cygnus buccinator) | | | | |
| Tundra Swan | (Cygnus columbianus) | | | | |
| Coscoroba Swan | (Coscoroba coscoroba) | | | |