If you live where it gets really hot in the Summer, go for the shade. Or even if you're not in a really hot clime, during Winter there are no leaves on the trees so they will get sun anyway.
I'm assuming that you're also going to build them a run to hang out in. Make it as large as you can if they're not going to free range.
I'm assuming that you're also going to build them a run to hang out in. Make it as large as you can if they're not going to free range.