As you build design, 10x6 foot, 8' high.
Frame was old trampoline, South wall old store shelving, collected metal sheets from here and there, bought common cement mixed with dirt for a footing, used some old doors. Littered for a couple of weeks last month on it, bought a roll of wire for the 4...
Behaviors of birds may give you an indication. When identity is difficult in a flock, bands can help. Personally never band chickens but have done it on other species. Good luck.
Thank you, early on, found this site or forum to be very helpful in providing information for the tasks necessary to maintain fowl. Best to you. Will attempt to contribute to this cause.