I have a brooder built inside my coop that 7 chics have been in for several months. 3 are big enough to be moved out which I did, but the 4 smaller ones just arent big enough to be out yet. For the last 2 days the 3 i let out just hang in the corner of the coop trying to get back i the brooder. It’s breaking my heart. Should I keep them out? They are fully feathered regular size birds. The remaining 4 are very small bantams.