I have learned that the submissive roo will take over the responsibilities. My alpha roo dethroned the last one to take his spot. I think if there is no other roo to argue with, the one left will surely take over watching the flock. My dethroned roo acts all big and bad until Leroy (Alpha)...
They will crow. have no fear. I remember waiting on pins and needles to hear that beautiful sound. Now, some days, I really want them to shut their beaks. LOL