Yes, you should probably cover the roof on the first one to keep out too much sun, rain, snow, etc..I put corrugated roofing over mine, although it already did have a covered roof. It is extended out about 6 inches on either side and I have found it keeps out much of the rain and snow with such...
Quail prefer to hop and fly everywhere. BUT they will use ramps. Here is my latest coop area for my birds. I used to use huge aviaries for my birds but my quail are growing quite old, others have passed on from old age and I only have a few left. So I moved them into one of these and they do...