Thank you for asking.
With my rooster, it is a familiarity-based aggression.
When I am sitting at our fire pit, he would walk down our path from the coop area. I would get up from my chair and walk quickly towards him to keep him out of my space, 2 or 3 quick steps until he turns and...
After physically moving 2 of my roosters onto a roosting bar in their coop every evening, they still did not get the hint. They have their own 4x4 coop.
Today, I removed all their outdoor perches except 1. That 1, I took down an hour before my other chickens usually go in. The 2 roosters...