Winters are highly changeable between warm and very cold. To make it feel both cold & heat. Winters are short, relatively cold and wet. Continental drift influences both cold and warm climatic episodes. Winters range from mild to moderately cold. Feathers insulate birds from water and cold temperatures. Winters are long, cold, and severe. Flushing with cold water usually brings relief. Gallinaceous birds are well adapted to regions with cold winters. Gentoos are well adapted to extremely cold and harsh climates. Knock is less common in cold climates. Hypothermia continues to be a major limitation to swimming or diving in cold water. This befell a that was ill-equipped for cold weather. Mongolia is high, cold, and windy. Some died from the bitter cold and exhaustion.