I have a mix of different heritage varieties, bourbon reds, sweetgrass, mottled, blue, black, most fighting and bickering goes on in spring and summer, they have a large pen and free range most days. I have talked about raising two Tom bronze with a batch of chicks, when they all reached sexual maturity the turkeys fought with the roosters and harassed the hens, eventually they ganged up on a leghorns rooster and pecked his scalp open and were working on pecking his brains out. My husband ate those. I later had a bantam hen hatch some turkey eggs, I let the hen raise them, the bigger they got the more frightened the bantam chickens became, these were three hens, they were bullies, chasing, pushing, I eventually moved them to the turkey pen, was hard to keep them in there. I guess I have healthy rowdy birds.