I have a pair of IB splits (white flight feathers) that have unknown genetics. Last year, I hatched one purple female, one IB white eye male, and one IB split female. Today I hatched what seems to be a pure IB with no white flights. Also, one chick died after popping the lid off of its shell. It was white! So, my one pair of birds have thrown IB, IB splits, purple, IB white eyes and white. Now, when I got these birds, I must admit that I was a little dissappointed that they were not pure. I can't remember if it is Deerman or Kev that encouraged me that splits are not mutts. Boy, was he right! I now think what I have is a male split to white with the purple gene and a female split to white with the white eye gene. If so, then I think I am about out of colors that this pair will produce, but it sure is fun getting so much variety from one pair.