You are fortunate, if I put birds in a run like that, coons would quickly kill every one.So my grow out pen for my Guinneas and Polish is turning out to be WAY more work than I had anticipated ~pretty much the same as Every Other animal enclosure that I have ever built... I did built a temporary run for them and am more than happy with my use of baling twine. Not sure if you cans see it here.... but.....View attachment 2403288