Henry flew today!
I imagine he's feeling it in those chest muscles todayHe managed to stay off the ground for almost three metres.
They say a little high intensity exercise is worth as much as hours of jogging, so it might have done his heart and lungs some good too.
On the wind front, given that shelter belts take years to grow, do you think it might make any difference to use a beach-type windbreak popped in upwind next to one of their favourite forage spots while you're there? It seems a shame to go all that way just to sit in the coop extension.