Rouen ducks are the basic coloration of the Mallards only larger and do not fly more than 100 feet. They are a French breed that is used both for eggs and meat and admitted into the American Standard of Perfection in 1874. A great water fowl for the ranch pond, they make good backyard ducks and are good for insect control. The Rouen duck is calm, sociable and very entertaining as pets. The Rouen duck is a slower grower than the Pekin. They also make good show ducks.