No, that doesn't sound normal unless you have two early-blooming cockerels both wanting to be alpha. If they are early-bloomers, you should be seeing comb growth.
Now, I will add that some of my pullets have been drama queens. They screech like they're dying over just about anything and almost nothing. But if you're seeing feather-pulling and full blown attacks, something is amiss.
Now, I will add that some of my pullets have been drama queens. They screech like they're dying over just about anything and almost nothing. But if you're seeing feather-pulling and full blown attacks, something is amiss.