My biology classes hatched 7 eggs on Feb 24. I had an F1 Oliver Egger roo (BCM x EE) at the time covering 2 Easter Eggers, 2 Buff Orpingtons, 1 RIR x BO cross, a Black Sex Link, and a BCM hen.
Cinnamon- Grey barred seems like to act like a roo, but had a yellow comb for a long time.
Nutmeg-...