Genus: Aythya
| Taxon | Value |
|---|---|
| Order | Ducks and relatives / Anseriformes |
| Family | Ducks, Geese, Swans / Anatidae |
Number of displayed species: 12
- Aythya 12
- Lesser Scaup / Aythya affinis Lesser ScaupLC
- Redhead / Aythya americana RedheadLC
- Hardhead / Aythya australis HardheadLC
- Baer's Pochard / Aythya baeri Baer's PochardCR
- Ring-necked Duck / Aythya collaris Ring-necked DuckLC
- Common Pochard / Aythya ferina Common PochardVU
- Tufted Duck / Aythya fuligula Tufted DuckLC
- Madagascar Pochard / Aythya innotata Madagascar PochardCR
- Greater Scaup / Aythya marila Greater ScaupLC
- New Zealand Scaup / Aythya novaeseelandiae New Zealand ScaupLC
- Ferruginous Duck / Aythya nyroca Ferruginous DuckNT
- Canvasback / Aythya valisineria CanvasbackLC
How many species of birds are there in Aythya
12 species
2 subspecies