Not all of mine get along. I have a big EE roo who is pretty good, but if any others show any kind of weakness, he hunts them down relentlessly. So he stays locked up. My new Bantam Barred Rock roo is one of the wimpy ones, so he has to stay locked up while everyone else is out to keep him...
They do fight but get over it fast. I did have a problem with Strawberry, the Bantam RIR and Sarge, the senior Serama. But they have since worked things out.
I have been asked a few times how I keep so many roos together. Well, the mane secret it to house them in LARGE cages and let them out often. I also house older roos with younger ones to prevent fighting.
So, can you count the roos? Some of the pictures show 4 but I have as many as 6 or 7 out...