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 Spanish Republican government of Madrid, whilst Galtier-Boissière remained strictly pacifist. The "Canard" and its format served as an inspiration for the satirical weekly magazine "El Be Negre", published in Barcelona between 1931 and 1936. The "Canard" has a fixed eight-page layout. Pages 1, 2–4 and 8 are mostly news and editorials. Page 2 carries anecdotes from the political and business world. Pages 5–7 are dedicated to social issues (such as the environment), profiles, general humour and satire, and literary, theatre, opera and film criticism. One section, called "l'Album de la Comtesse", is dedicated to spoonerisms. The "Canard" is notable because