Data Zone
| Scientific name | Common name | Family | Red List category |
|---|---|---|---|
| Aythya affinis | Lesser Scaup | Anatidae (Ducks, Geese, Swans) | LC |
| Aythya americana | Redhead | Anatidae (Ducks, Geese, Swans) | LC |
| Aythya australis | Hardhead | Anatidae (Ducks, Geese, Swans) | LC |
| Aythya baeri | Baer's Pochard | Anatidae (Ducks, Geese, Swans) | CR |
| Aythya collaris | Ring-necked Duck | Anatidae (Ducks, Geese, Swans) | LC |
| Aythya ferina | Common Pochard | Anatidae (Ducks, Geese, Swans) | VU |
| Aythya fuligula | Tufted Duck | Anatidae (Ducks, Geese, Swans) | LC |
| Aythya innotata | Madagascar Pochard | Anatidae (Ducks, Geese, Swans) | CR |
| Aythya marila | Greater Scaup | Anatidae (Ducks, Geese, Swans) | LC |
| Aythya novaeseelandiae | New Zealand Scaup | Anatidae (Ducks, Geese, Swans) | LC |
| Aythya nyroca | Ferruginous Duck | Anatidae (Ducks, Geese, Swans) | NT |
| Aythya valisineria | Canvasback | Anatidae (Ducks, Geese, Swans) | LC |