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
History of Rouen 1485 and influenced its cultural and economic development. Rouen became a regional centre of production by introducing a variety of books to the industry. Although it did not have a university, Rouen became an important intellectual centre by reason of its reputed schools of higher learning. In 1734, a school of surgery was founded (second only to that of Paris, founded in 1724). In 1758 a new hospital was opened, to the west of the town, which replaced the old medieval one which had become too small. During the Franco-Prussian War of 1870-1871, Rouen was occupied by the Prussians. During