Went out to the coop this morning and found blood everywhere, and Chicken D, my beautiful rooster's face and comb covered in blood. I have 2 roosters, a buff Plymouth barred rock/cochin (the injured and also very large) and an Easter egger (the prime suspect and much smaller) and 2 bantam hens. The Egger has blood all over his feathers around his neck but no injuries, and no blood on his face or beak. I think the Egger attacked Chicken D, but they have always gotten along, and no problems EVER. The girls have no blood and are probably innocent bystanders. Is this a dominance issue between roosters? I put Chicken D in the garage, and his injuries look pretty severe to me, but he is walking around, flapping his wings, eating and drinking fine. He does have runny poo. I rinsed Chicken D's wounds with diluted peroxide and put neosporin on. Could someone possibly tell me if I need to take him to the vet based on the picture. Any help and advice would be appriciated.