Firstly I didn't know whether to put this under this section or the breed and gender one. But I guess it is kind of about genetics. I have two Orpington pullets that hatched from a pen of Orps - a cuckoo rooster, a crele hen and a black hen. I expected to hatch Creles, Cuckoos and Blacks but two of these hatched. I don't know what colour they are or how they came about. Any ideas?
This is the two pullets: