Aythya affinis Lesser scaup
Aythya americana Redhead
Aythya australis Hardhead
Aythya baeri Baer's pochard
Aythya collaris Ring-necked duck
Aythya ferina Common pochard
Aythya fuligula Tufted duck
Aythya marila marila European greater scaup
Aythya novaeseelandiae New Zealand scaup
Aythya nyroca Ferruginous duck
Aythya valisineria Canvasback
Marmaronetta angustirostris Marbled teal
Netta erythrophthalma brunnea African pochardÂ
Netta peposacaRosy-billed pochard
Netta rufinaRed-crested pochard