so I have two buff orpingtons, two leghorns, one Columbian wynadotte, what some think is a partridge cochin and an unidentified mutt. 7 girls- all but the cochin came as a group from someone who wanted out of chickens. I have only had them for three weeks tomorrow so am still figuring things out-including how to deal with my bipolar roo Bud-he had his second strike this am and he may end up dog food after all but that's another thread. Anyway- every once in a while I get two of the darker brown and only one of the lighter. My thoughts are obviously the white are from the leghorn and the itty bitty one (almost a peach color sometimes) comes from either the cochin or the mutt..what I cant figure out is the orps and the wyn. sometimes I get two darker browns and one lighter- sometimes its more like what is here- one darker and two lighter. will they change shade like that from the same bird? Thanks for the info. I am totally addicted!