All About the NCS n Administration n State Coordinators n Get the NCS Journal n Join NCS Owner & Enthusiast n Read About Cockatiels n Cockatiel Community n Pet Videos Breeder Area n Leg Bands n Registered Aviaries n Mutations Gallery n Genetics Exhibitor Area n Showing Cockatiels n Show Calendar n Show Reports Club Affiliation n Affiliate with NCS n Affiliated Clubs n Judges Panel NCS Online Store n Cafe Press   Photo Gallery 3       A bird is a pied when one or more flight or tail feathers are a solid light/yellow. Pied is a recessive mutation.     Gallery 1  / Gallery 2/ Gallery 3   Copyright Notice & Disclaimer Statement   Photos by Jay Goss.com                                                          ©2008 NCS - membership@cockatiels.org                                             e-mail editor corrections - thanks!