Oh, one last thing, I liked allowing the hens to be out if supervised (I don't know about caught IMMEDIATELY! : ) ), but you might also consider language which allows the use of a tractor in addition to a coop. I have a small one I use during the day when I want them in a specific part of the...
Wow, this is great!
I wish it had been available 3 years ago when we were campaigning for a chicken ordinance in Columbia, MO. As it happens, we came up with (and passed) something quite similar to your model ordinance.
One issue that you didn't discuss that is included in ours is a...