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
Marius Canard with the 16th Chasseurs à cheval Regiment stationed at Beaune, and was decorated with the "Croix de Guerre" with a silver star. After the war, he went to Morocco, where he perfected his knowledge of Arabic. In 1920 he returned to Lyon, where he taught in the "Lycée du Parc". In order to further his language skills, he re-entered the local university's Faculty of Letters to learn Sanskrit. Canard then visited the "École des Langues Orientales" (now known as INALCO) in Paris, where he came to know both William Marçais (1872–1956), and Georges Marçais (1876–1962). The latter convinced Canard to