I think I know the answer but would one (or 100) of you geniuses confirm my Roo? I'm not allowed roos but there are several in the neighborhood. I'm really more upset because I need the large eggs. thx These are comparison RIR from the same batch Suspected Roo Suspected Roo (same chicken). Black in tail and on shoulders. Comb been larger than the others since he (she) was 4wks.