I went out this evening to check that the chickens were up on the roost in the coop and not in a pile on the floor (they're 3 months old), and found them on their roost in the run! No idea how long they've been doing this as it's been awhile since I've been out to spy on them at night. The run is secure (1/2 inch hardware cloth covering every opening and buried into the ground; door locked with a barrel lock and an additional lock through the hole of barrel) so we never close the pop door. It's been really hot so I'm thinking they're more comfortable outside. My concern is that some of them were actually on the framing 2x4 and not the roost so they're pressed up against the inside of the hardware cloth. Could a predator get at them like that? I'm new to chickens so I don't know what their behavior would be if terrorized at night; I'm guessing if they had the smarts to move away from the side they'd be fine but I don't know if they would do so in the dark.