I've thought about covering part of it. But have been too cheap and lazy so far. Tarps and the like don't hold up long here, so I would have to do a metal roof. When we get snow, what doesn't get blown away, I just shovel a path thru it. We are so dry there that there isn't mud under it, it...
This is why I feed in the "coop". My run isn't covered as far as keeping rain and snow out, only birds of prey. In the winter, food and water are inside. However, the "coop" is 12x12 (walk in.) So. there is plenty of room for a feeder and waterer. (And the 4 chickens currently have even if...