My two chicks - I think they are hen and rooster - siblings - are fighting today. They are about 10 weeks old - grew up with mom and still with her. They have always done the little bit fighting - facing off - fluffing feathers - flying up - but it's always been a few seconds then they'd stop. Today they won't stop - there's bleeding - holding each other down and stuff. Mom just stands on the side and clucks. Separated them - put one in a cage for now. I know they are probably trying to determine pecking order/dominance - but will they fight till they really hurt each other? They are wild/feral chickens. I feed them, but they otherwise live completely on their own. Tried putting one and then the other in the cage. When rooster is in the cage - baby hen and mom face off also. seems like mom is trying to tell her she's the dominant one. Help!! Should I just let them fight it out? Will they stop - or really hurt each other?