鴨 - wild duck, easy mark

duck

domestic duck

along comes a sucker just begging to be parted from his money; a duck comes carrying a Welsh onion on its back

greater scaup (species of diving duck, Aythya marila)

any duck with white specula (bright patches on the wings)

northern shoveler (species of duck, Anas clypeata); northern shoveller

gadwall (Anas strepera)

duck hunting

spot-billed duck (Anas poecilorhyncha)

northern pintail (Anas acuta)

cross between a mallard and domestic duck

falcated teal (Mareca falcata); falcated duck