I have two cockerels as well! My oldest is the same age as my oldest layers. His behavior is either changing as he matures or as his girls start laying. He has become so nurturing. Their egg songs or clucking waiting for the occupant in their favorite box to vacate make him come running with...
I've noticed a change in the behavior of my pullets that have started laying. That's part of why I know who is laying! I don't baby my chooks. They get feed am and pm otherwise are free ranging. Im not talking about the egg song either. Once they start laying, they are the first to look up when...