I currently have a flock of one rooster and 8 hens. I live in the mountains of So. Cal. We get hot temps and below freezing temps. These birds do well in both. They're very aware of their environment when free ranging. I've raised 6 roos to adulthood. Only one was aggressive. Mine free range most of the time, but when I have to leave them locked in their run all day they do just fine. There's been no bullying or picking on one another. Very easy going birds.