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
Khaki Khaki Khaki (, Canada and ) is a color, a light shade of brown with a yellowish tinge. Khaki is an equal mix of sage and buff so it is considered a quinary color. Khaki has been used by many armies around the world for uniforms, including camouflage. It has been used as a color name in English since 1848 when it was first introduced as a military uniform, and was called both drab and khaki—khaki being a translation of the English drab light-brown color. A khaki uniform is often referred to as khakis. In Western fashion, it is a