Waterfowl are certain wildfowl of the order Anseriformes, especially members of the family Anatidae, which includes ducks, geese, and swans. They are strong swimmers with medium to ...
http://en.wikipedia.org/wiki/Waterfowl

Ducks Unlimited's waterfowl identification gallery: Quick tips to identify ducks and geese across North America. Includes photos, sounds and more.
http://www.ducks.org/hunting/waterfowlgallery.aspx

Waterfowl USA, a national waterfowl conservation organization focusing on waterfowl wintering habitat.
http://waterfowlusa.org/

Information on a non-profit organization based on helping conserve Missouri's waterfowl, wetlands, and waterfowling heritage.
http://mowaterfowl.org/

Waterfowl Hunting - Goose Hunting - Duck Hunting - Bird Hunting - Goose & Duck Hunting in Saskatchewan Canada / Waterfowl Outfitters - Hunting Snow & Blue Goose, Ross Goose, White ...
http://www.waterfowl.ca/