They can survive the cold just fine. My games are likely as cold tolerant as any but they do complain even when temperatures drop just below freezing. They will bunch up on roost if they have the chance, and fluff up their feathers. They are also slower to come down from roost. When snow is deep mine will even fly considerable distances to stay out of the snow and to keep their feet warm. You will also see them bunch up in sunny places protected from the wind if they can do it.
They can survive but it is stressful. We a being a bit cold to the birds interest when we simply say they can handle it. When it gets really cold growth and egg production can suffer, that is a big reason behind why we go to such lengths to keep them from getting too cold stressed. Managing cold stress is important enough for commercial producers to spend money on heating each winter if their operation is not large enough for birds to heat the building.
They can survive but it is stressful. We a being a bit cold to the birds interest when we simply say they can handle it. When it gets really cold growth and egg production can suffer, that is a big reason behind why we go to such lengths to keep them from getting too cold stressed. Managing cold stress is important enough for commercial producers to spend money on heating each winter if their operation is not large enough for birds to heat the building.