None of the other three are really good high heat breeds, but of the other three, it seems to me that Barred Rocks probably handle high heat the best. Two other breeds you might want to consider are Leghorns and Minorcas, which like most Mediterranean breeds are good in high heat. However, be...
All four of them are very cold hardy, but Australorps are easily the most heat hardy out of the four. I've raised them where summer temperatures frequently reached 117-118 F (sometimes more), and while my other dual purpose breeds were listless, panting, and holding their wings out, my...
Welcome to BYC. Glad you decided join to our flock. Based on your criteria, I agree with drumstick diva; Black Australorps. I've raised them for years (along with dozens of other breeds), and they are extremely hardy in both cold and heat; friendly, calm, and gentle (my children and...