So we now have 11 hens and 2 roos. The 2 roos are housed separate from the girls now..we had 1 in with the girls and he was getting picked on..all of his feathers were picked and he was skiddish. He's doing great by himself - separated by a fence next to the other roo (so neither are with the hens). I have been trying to figure out why the HENS are so aggressive with one another. They have picked each others tail feathers and seem to be balding. They are not aggressive to anyone or anything else and they all lay almost daily. They have a huge run and hen house where they will all lay in the same corner. They love attention and will follow me around on my heels..I can pet them and pick them up without a problem...any ideas? 4-Barred Rocks 5-White Leghorns 2-Rhode Island Reds TIA!