We've got five pullets that are 10 weeks old. A few of them were doing the charge, fluff, and bounce moves on the others for weeks now and occasionally any one of them will run and bump chests with another. It never gets any more serious than that. We've never seen any of them even take a single hostile/angry peck at another. We have no idea who is at the top or bottom, either. There is one who usually sees and signals when a perceived threat is observed. There is another, different chicken who always alerts the rest when it's getting dark and time to head in for the night. There is yet another who is always the lagger....as the rest generally move in any given direction, this one seems to get swept up in her little sphere of foraging to the point of suddenly realizing she's alone and bolting for the rest. Then there is the chicken, also different from each of the others mentioned, who will ALWAYS follow my DH and I over the rest of the flock. So is the pecking order one they are still too young to have worked out or are we lucky and ours are so accommodating that they all kind of have their own little rolls and don't bother battling for position otherwise?