Rouen duck breast. The female Rouen hens are a consistent shade of mahogany brown, with a brown crown and tan eye-stripes extending from bill to the back of the eyes. Another feature of the female color pattern is the distinct, detailed penciling found on feathers of the head, neck, body, body, most of the wing and tail. Rouen females can be much darker brown than Mallard females. Both sexes also have blue speculum feathers. However, Rouen speculum feathers are brighter in color and larger in size than that of the Mallard. Adult Rouen ducks are typically significantly larger than Mallard ducks. The
Romanus of Rouen exist - one is a Latin verse version of the 8th century, another is a prose life addressed to the archbishop of Rouen by the doyen of Saint-Médard de Soissons. Those two lives are held in the Bibliothèque municipale de Rouen, whilst another "Life" is held by the Bibliothèque nationale de France in Paris. Romanus of Rouen Saint Romanus of Rouen (; reconstructed Frankish: "*Hruomann"; died 640 AD) was a scribe, clerical sage, and bishop of Rouen. He would have lived under Dagobert I (629–39), though his date of birth is unknown. His life is known in legend and tradition