My chickens are VERY UPSET!! They are fully free-ranged on 3 acres (I am home all day with them) and they sleep in an insulated laundry room with a separate outdoor entrance at night. I raised them in the laundry room from chicks and slowly transitioned to letting them free-range. They always all come into their "house" at night to roost but they are now 21 weeks and I know at least one of them is ready to lay. I have been searching my yard for weeks for eggs but no trace. One Black Australorp looks fully developed and is doing the submissive squat when I approach her. I also have white leghorns and easter eggers (aren't leghorns supposed to lay sooner than australorps??). Anyway, I decided I should maybe try to keep them locked in their coop in the mornings to see if they will lay in the boxes in there. I usually let them out around 6 or 7 am and they are SCREAMING. Is this normal??? I feel so bad!