I have 5 RIR that refuse to sleep in the coop. they sit on the window ledge every night and every night I pick them up and take them to the coop. What's their problem? I spent a lot of time and money and the these ungrateful birds refuse to use it. when I got my chickens I got 4 mature Buffs and 5 smaller RIR. the Buffs aren't laying and the RIR mingle with them all day, they just refuse to sleep with them. What's the problem?