I have 2 Sussex x rhode island red hens, just under 3 months old (I was told by the lady who bred them). They seem to spend all their time sitting underneath their coop. It's like a little house raised off the ground. I'm thinking it might be because it's really hot and that would be the coolest place for them? Though their little yard is covered by a shade sail so shouldnt be too hot. I'm very new to chooks so I apologise if this is a silly question or one that's been asked before.