The plumage coloring of both the Rouen drake and the Rouen hen are nearly identical to that of the Mallard drake and Mallard hen: males have green heads, white collars, black tail feathers, a gray body, and a deep claret breast.
The plumage coloring of both the Rouen drake and the Rouen hen are nearly identical to that of the Mallard drake and Mallard hen. Males have green heads, white collars, black tail coverts and dark, ashy brown tail feathers, a gray body, and a deep claret breast.