Cul de canard and popular with anglers and trout alike. The use of CDC's in fly fishing originated from the Jura Mountains during the 1920s where fly fishermen used this feather in dry flies to aid buoyancy in a particular pattern called Moustique. It took until the 1980s for popular use of this feather within a whole range of patterns. 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
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