The shivering pattern in an arctic (willow ptarmigan) and a tropical bird (bantam hen).
D000818:Animals; D001110:Arctic Regions; D001717:Birds / Q000502:physiology*; D001831:Body Temperature; D003081:Cold Climate; D003080:Cold Temperature; D004576:Electromyography; D005260:Female; D006339:Heart Rate; D009132:Muscles / Q000502:physiology*; D010101:Oxygen Consumption; D012768:Shivering; D013045:Species Specificity; D014329:Tropical Climate