Should I be concerned about open mouthed(beaked) breathing? Too hot? I found my two teenagers in the hottest weather so far still trying to squeeze into a box together! I felt them, they didn't feel too hot to me. Is this just how they sleep and I surprised them by checking on them? Everyone else's mouths were closed. We are having the hottest weather in a while though. The coop is vented, not sure what else I can do to co them off. Thanks!