rouennais clair

[French] plural rouennais clairs

Rouen duck. Bred around Yvetot and Duclair in Normandy, this is a breed of duck, usually weighing from 4.5- kg (9 lb) with eggs of at least 80g with a greenish shell. They are a cross between a domestic and a mallard. Although they have a long history, the breed was only properly established in 1923.