Anseriformes

Select genus:

• Aix (Mandarin and Wood ducks)
• Anas (pintails, wigeons, shovelers, teals, mallard, gadwall, mottled, Laysan and black ducks)
• Anser (greylag goose)
• Aythya (lesser scaup, redhead, ring-necked duck)
• Branta (geese)
• Bucephala (bufflehead)
• Cairina (Muscovy duck)
• Chen (snow goose)
• Clangula (oldsquaw)
• Cygnus (swans)
• Dendrocygna (whistling ducks)
• Histrionicus (harlequin duck)
• Lophodytes (hooded merganser)
• Mergus (red-breasted merganser)
• Oxyura (ruddy duck)
• Rhodonessa (pink-headed duck)
• Somateria (eiders)
• Tadorna