When I lost the first bird the day before, I chalked that one up to the heat, but then when the second one passed from the same coop, I wasn't so sure. My other 2 coops are fine and they have young birds in them. I keep tubs with frozen water bottles in them for my birds to roost in, They stay on those ice roosts most of the day and they also have fans blowing on them. I don't just give them the ice bottles once a day, I am home during the day so I change them out during the course of the day. I definitely will look into the link you sent me. Thank you very much for that. I never wet down my soil, I have my birds under a great shade tree but of course the sun still hits them somewhat. I want to thank you for your advice and help. I still don't know if it was the flies or the heat but I am leaning toward the flies only because these were my hardiest birds and were in the same coop (which happened to be a fly haven for some reason lately) and they passed on back to back days. Hopefully the deaths are over. I still want to rid my yard and coops of the fly problem though. I will try to keep everyone updated. Thank you again and God Bless. I really do appreciate everyone's help and advice.
Tommy