I have two hens and an A-frame bi-level chicken coop, which has about four and a half square feet of ground space on the bottom. The coop is about 5 feet tall total also, and mid-way up there are two wooden beams for roosting and a little shelf piece that holds two laying boxes. My hens are about a month and a half old, and they don't seem to use the second level at all. I have a little egg access door at the back of the laying boxes, so I have tried putting the girls in the next boxes - but they just hop down to the ground. They also sleep on the ground. A friend suggested they may need a ramp to climb up there. I was thinking that might make sense since the top gets narrow as it goes up - maybe they feel like they cant fly/hop up there without hitting something? My husband thinks they're just young and figuring it out and will eventually get it. Any thoughts? Coop photos attached. And just FYI - the hens are locked in the coop at night for safety, but do get a good chunk of the day to roam the yard. Coop is small, but seems comfy for two girls. Although yes, they get more space too.