Rouen duck Rouen Foncé (dark) as opposed to Rouen Clair, which are lighter in colour. In 1850 the first Rouens were introduced to the United States by D. W. Lincoln of Worcester, Massachusetts, and used as general farm ducks until becoming popular as show birds. They were included in the "Standard of Perfection" of the American Poultry Association in 1874 and since then have won many titles, often having the most entries in the heavyweight class and doing well in competition with other breeds. Rouen duck The Rouen is a heavyweight breed of domesticated duck raised primarily for decoration, exhibition or as
Rouen an estimated population of 111,557. People from Rouen are known as "Rouennais". Rouen and its metropolitan area of 70 suburban communes form the Métropole Rouen Normandie, with 494,382 inhabitants at the 2010 census. In descending order of population, the largest of these suburbs are Sotteville-lès-Rouen, Saint-Étienne-du-Rouvray, Le Grand-Quevilly, Le Petit-Quevilly, and Mont-Saint-Aignan, each with a population exceeding 20,000. Rouen was founded by the Gaulish tribe of the Veliocasses, who controlled a large area in the lower Seine valley. They called it "Ratumacos"; the Romans called it "Rotomagus". It was considered the second city of Gallia Lugdunensis after Lugdunum (Lyon) itself.