A mutation producing a specific form of feathering in different areas of the body of canaries. There may be curled feathers on the shoulders and wings (mantle), on the breast (jabot), or on the flanks (fins). Frilled breeds include the North Dutch frill, South Dutch frill, Parisian frill, Milan frill, Swiss frill, Gibber Italicus, and Gibboso Espagnole.




