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
Rouen (the site of Joan of Arc's pyre) is the modern church of St Joan of Arc. This is a large, modern structure which dominates the square. The form of the building represents an upturned viking boat and a fish shape. Rouen was also home to the French Grand Prix, hosting the race at the nearby Rouen-Les-Essarts track sporadically between 1952 and 1968. In 1999 Rouen authorities demolished the grandstands and other remnants of Rouen's racing past. Today, little remains beyond the public roads that formed the circuit. Rouen has an oceanic climate ("Cfb" in the Koeppen climate classification). Mainline trains