Hi, all, trying not to sound scrambled/frantic here but my 7 year old just came running in the house to tell me "the chickens have red stuff on their heads!" All 6 are there, all of them have head lacerations. One hen has bright red blood on her beak & is panting. She's alone in the run now, another is latched in the coop, one is secured in the dog crate and the other 3 are free-ranging until I figure out what happened. We have hens only, no rooster. They've had minor dominance squabbles before now but never this kind of injury. We were out for 3 hours and came home to this. One, who is a biter anyway, was extremely aggressive to me when I went in the coop to separate the birds. What caused this? What can I do? I have Blu-kote but I don't know if they'll let me clean their heads. Can anyone help? Thank you, thank you.