They don't fight badly, just a lot of beak bashing. It's a very loud "crack" noise when their beaks collide. I've just ordered a second cage so I can separate them, Nibs has become very overpowering lately. Not in a mating sense, he's just become a bit of a bully to be honest! They are not stains because there is nothing in my room or their cage that could cause that. Cappy has a very sharp beak, maybe these are scratches/bruises from the beak bashing?
Caprica "Cappy" - White Faced Cinnamon Hen
Nibbler "Nibs" - Lutino Baby!
Lulu - Westy, Jack Russell Mix
Sandy - Chihuahua, Jack Russell Mix