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
Le Canard enchaîné of its focus on scandals in French governmental and business circles, although it does also cover other countries. Although they became more aggressive during François Mitterrand's presidency, major French newspapers are traditionally reluctant to challenge government corruption or pursue embarrassing scandals (the rationale being that revealing political or business scandals only profits extremists on the far-left or far-right); hence, the "Canard" fills that gap. The "Canard" publishes insider knowledge on politicians and leaks from administration officials, including information from whistle-blowers. Generally, the "Canard" is well informed about happenings within the world of French politics. Its revelations have sometimes brought about