Rouen duck Rouen duckling is identical to the Mallard duckling in terms of plumage coloring. In North America, two distinct types are bred: the common, or production-bred, variety that is larger than a Mallard but has a typical duck conformation, and the much larger and squarer standard-bred variety. The production variety normally weighs 6–8 lbs (2.7–3.6 kg) while the standard-bred weighs 9–12 lb (4.1–5.4 kg). Rouen ducklings can be distinguished from wild mallard ducklings by the presence of a second stripe which runs across their face, just under their eye, whereas mallard ducklings have only one stripe which runs across their eye.
Khaki standard color for smart casual dress trousers for civilians, which are also often called "khakis". "Khaki" is a loanword from Hindustani (Urdu or Hindi) ख़ाकी/خاکی 'soil-colored', which in turn comes from Persian خاک "khâk" 'soil' + ی- (adjectival ending); it came into English via the British Indian Army. Khaki was first worn in the Corps of Guides that was raised in December 1846 by Henry Lawrence (1806–1857), resident at Lahore, and Agent to the Governor-General for the North-West Frontier. Initially the border troops were dressed in their native costume, which consisted of a smock and white pajama trousers made of