Rouens come in two distinct shapes. The Non-Industrial Rouen and the Production Rouen, which isn't considered endangered.
Ducks, Ducks, Ducks Marjorie Bender American Livestock Breeds Conservancy. - ppt download
Edible Traditions: Duck — Edible Boston
About Ancona Ducks Ancona ducks, Duck species, Pet birds
Rouen - Non-Industrial Duck - The Livestock Conservancy
Murray McMurray Hatchery - Rouen Ducks
Rouen Duck Breed: Everything You Need To Know
Murray McMurray Hatchery - Rouen Ducks
Blog — Heritage Poultry Conservancy
Hoover's Hatchery Live Rouen Ducks, 10 ct. at Tractor Supply Co.
Rouen Drake Duck Stock Photo - Alamy