I have 5 chicks that my broody Buff Orpington hen hatched for me. The eggs were layed by a couple of Cuckoo Marans hens and the rooster was a Black Copper Marans. I have read conflicting information about sexing them. I'm pretty sure I have 3 of something and 2 of something else...but not sure which are pullets and which are cockerels. They are 3 days old. Any help will be appreciated!