Waterfowl belong to the order Anseriformes and the family Anatidae

Follow the links to view the:
Topography of Ducks
Characteristics of Diving Ducks
Characteristics of Dabling Ducks

Waterfowl of Ohio listed by common name under subfamily:

Subfamily Anserinae:
Tundra swan (formerly Whistling Swan)
Canada Goose
Snow Goose-white phase, blue phase

Subfamily Anatinae:
Mallard
American Black Duck
Mottled Duck
Gadwall
Northern Pintail
Green-Winged Teal
Blue-Winged Teal
American Widgeon
Northern Shoveler
Wood Duck
Redhead
Ring-Necked Duck
Canvasback
Greater Scaup
Lesser Scaup
Common Goldeneye
Barrow's Goldeneye
Bufflehead
Oldsquaw
White-Winged Scoter
Black Scoter
Ruddy Duck
Hooded Merganser
Common Merganser
Red-Breasted Merganser