X 2 - and the fact that they are engaging in crowing contests. You will find all sorts of tales of "crowing hens", but a) they are not as common as the internet might lead you to believe and b)those that do occur are not young birds just reaching puberty (as your birds are) but are rather older, mature hens who tend to have hormonal imbalances.
Agreed; I forgot to mention that as well.
