I have 3 ladies, 2 of them black and the third one is white. Now the white get along with both black ones, but one of the black is always pecking, attacking (even following and than pecking) the other black one. They are free range, their sleeping place is big enough as well, they have enough food+treats, I don't know what can be the problem and how to stop this behavior. Do you have any idea?
It's been a few months now, but before they get along really good, so I don't understand. They are around 1 and a half year old and yes, feathers getting plucked, but no injuries.