Cul de canard Cul de canard Cul de canard (CDC) (French for "duck bottom") are the feathers from the back of a duck directly around the preen gland (uropygial gland); they are very buoyant due to preen oil produced by the preen gland. They are used when tying dry flies for fly fishing. They owe their buoyancy to their proximity to the ducks preen gland which secretes an oil distributed by the duck as a cleaning and waterproofing measure. It is unnecessary for the angler to add additional oil by way of floatant. Flies incorporating CDC are easy to dress requiring no floatant
River Canard, Ontario to Detroit, where doctors amputated his left arm because it was severely wounded. He was liberated one month later, after the British took over Fort Detroit. An Ontario historical plaque marks the site of the battle and tells of the British casualties. River Canard is one of the oldest European settlements in North America, as it was part of early French colonial settlement in the 18th century related to Fort Detroit and the Detroit River. Their descendants, known as Fort Detroit French, still live in the area. They were joined in southwestern Ontario by more numerous French-speaking migrants, known as