I have four 3 month old button quail, two male and two female (ID by crowing only). There have been no eggs laid in the aviary. Do I have 4 males, or are they still too young? Is there anything I should be putting in the aviary to make it super comfy? I currently line the floor with about 2+ inches of aspen shavings, a large pile of grass, a basket for hiding in, an overhanging shelf about 6 inches from the floor to hide under and walk on.