Ohh.. Usually when people just say 'quail', they mean coturnix. So I assumed that's what you had. As it's bobwhites, quite a bit of what I just wrote isn't correct and the rest I can't really vouch for - most of my knowledge about both coturnix and bobwhites come from this forum and people write...
I'd start by removing all males but one to a different cage. You mention no removal of the young males, which could mean you had about a 1:1 male-female ratio when releasing the young ones. It should be more like 1:6 and only one male in each enclosure.
Depending on how old they were when you...