The reason I asked is my top roost is 12 inches from the wall. Still the ones that roost up there poop within 1 inch of the wall. To my way of thinking to make the 2 foot area work with 12 inches on either side it would use one roost down the center for the poop to drop within the confines of the lower opening. Maybe there's just something I'm not seeing. But what the heck, if it works it works.
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