Actually, unless mum lays down, the top two-thirds of her is always in the light. She usually is closer to the camera and still lit up at night. If you look at the back of the box, it's all lit up above the chicks....so unfortunately, she's kinda stuck! Do adult peregrines ever lay down apart from the hunching down they do when incubating and 'sitting' on young chicks? I often wondered about that, but assumed they didn't, especially when 'guarding' chicks...which leads me to a 'dumb, I should probably know this' question -- if adult peregrines never lay down, don't their legs get tired?!?