Pied    (No PHOTO sorry Page is still under construction.  If you have a photo of a pied cockatiel or any other
mutation,  please  E-Mail  me and I will give full photo credit)       This mutation was found in the mid-fourties in the USA.  Pied cockatiels have an irregular pattern to them.
No two Pieds are alike!  They are the hardest to visually sex.