Waterfowl
Waterfowl includes: ducks, geese, gulls, herons, seabirds, shorebirds, pelicans, swans, etc. They are often hunted as game or raised to produce eggs or meat. Sometimes people will even have them as pets. They generally have medium to large sized bodies, webbed feet, a somewhat rounded bill, and tend to be good swimmers. Their main source of food is fish.
Check out the following links: