I received 10 chicks described as 8 ea. blue orps, 1 ea. black orp, and 1 ea. blue rock. I am unfamiliar as to how to recognize them by color. I would appreciate any and all input from those of you schooled on blue and black orps. No: 1 ? No: 2 ? No: 3 ? No: 4 ? No: 5 ?