I've been playing with the Chicken Calculator -- http://home.hetnet.nl/~h.meijers69/overzicht.htm#kipcalculator It appears to indicate that buff chickens are homozygous for the Columbian trait. Is this correct? Because of this trait, it also indicates that breeding a salmon roo with a buff hen will produce an assortment of Columbian-patterned offspring -- and likewise breeding a buff roo with a blue wheaten hen will also produce a variety of Columbian-patterned birds. Is this correct? If so, I'm stoked. I've got bantam araucanas in all these colors, and I'm quite fond of the buff Columbian pattern. Buff Columbian araucanas, anyone?