I have two 19 week old boys that live in a 20 foot long by 4 foot wide, fenced in area, with a little 4 foot by 4 foot shelter I built with concrete blocks covered with plywood. It isn't the greatest shelter in the world, but it is the best I can do for them. I just have too many roos, so I have to put them in their own bachelor pad. Anyway, when it rains, they refuse to go under cover. Tonight, we had a super heavy rain, complete with LOUD thunder and lightening. It was really scary. My indoor cats hid under the bed, they were so scared. All the other birds went into their respective shelters when the rain started to pour down. But not these two roosters. They just stood in the corner of their fenced in area, pressed in as tightly into the corner of their area and as close together as possible. And you could see the fear in their faces. In the past, I've gone out there and manually put them under their shelter during rain, only for them to run out again. I will put them in there again and again, only for them to run back out. They are quite willing to go under their shelter during hot, sunny days, but they don't seem to understand that they could keep dry under their sun shelter too. Worst part is that they refuse to sleep under that shelter. Instead, they choose to sleep out in the open, on top of a concrete brick that I'm using to weight the plywood down with. How can I get them to learn to go under the concrete and plywood shelter where they can keep dry? Are they safe outside in the middle of a heavy thunderstorm?