It sounds like they are probably rusty slates instead of lilac. If they were lilac you would get all lilac from them. Rusty slates can throw a wider variety of colors including black, blue & lavender of a regular blue slate. I'm not sure, but I think rustys are carrying bourbon red genes to give them the rust color. It may be bronze, but I think it's bourbon. The only real way to see what they are carrying is to see what colors the babies turn out to be. Ooooooo...sex-linked turkeys!!! I want!!!