Study Bills Marsh Ducks Mallard Drake Black Duck Drake Blue Wing Teal Drake Open mouth Blue Wing Teal Drake Closed mouth Cinnamon Teal Hen Gadwall Hen
Divers Canvasback Hen Canvasback Drake Greater Scaup Drake Lesser Scaup Drake Common Golden Eye Common Merganser Drake Hooded Merganser Drake Hooded Merganser Hen Redhead Drake Old Squaw Drake