I'm not sure if she scratched her head on something sharp, or injured her newly growing comb. She was bleeding and I thought possibly she gouged it on a piece of wire sticking through into the run.(coop under construction) I guess my question is: anything need to be done. Like I could administer first aid to a chicken! LOL Geez. Chickins sure can get into trouble. This happened in an hours time between letting them out and going back to check on them. The blood is dried up now. And another chicken was what appeared to be cleaning it up for her. Picking at little pieces of dried blood. Is that ok? In case you couldn't tell, this is my first chicken injury.