I might let her stay in the box for a few more weeks and see what happens. Mine would lay on the floor of the coop but eventually as time went on she learned to jump up to the roost like everyone else.
I hatched out some polish chicks last spring. So I have had mine for almost a year now and she does the same thing. I always had to go out at night and PUT her in the coop because she would be sitting in some random spot. Now she is better about going in the coop and I haven’t had an issue for a...