I have two white cochin bantams, one black cochin bantam, two blue sumatras, one chocolate polish, one standard buff cochin hen, one RIR bantam, and they are all laying, my problem is that they all share the same nest and idk whos egg is whos. can anyone help?? i took one of each differnt eggs i get. I also have some pullets but there not old enough to lay, the ones who r close to laying are a buff orp and two barred rocks.