I liked my original A-frame Duck Tractor design so much, that I’m building two more. One will be for chickens, however, with nest boxes in the back (ducks won’t use nest boxes, so the other A-frames are plain). I’m putting horizontal doors on the back wall, so that we can get eggs out of the nests without having to enter the A-frame.
The only thing I’m changing this time is I’m going to roof the whole structure, instead of putting chicken wire over half of it. I do like the original one I made, as it’s nice for baby poultry to be able to get some sunshine while they mature inside the pen. But since these will primarily be night houses for adult birds, I’d rather have the whole thing sheltered and dry.