Got some new girls a few weeks ago (two arrived yesterday), they are about 1.5 years old and, I assume, common Isa Browns from the descriptions and photos I've been seeing. Either that or real farm mutts, LOL! But I love them, they have great personalities and lay gorgeous eggs! But my question is, can they also be black? If not, what kind of mix do you think these two hens are? First girl, Skyla: Second girl, Ember: The two together, Skyla in the back and Ember in the front: Thank you!!