绿头鸭 Traditional form: 綠頭鴨 Pinyin (reading): lütóuyā Definitions: (bird species of China) mallard (Anas platyrhynchos) Characters: 绿 - green; chlorine 头 - head; chief, boss; first, top 鸭 - duck; Anas species (various) Traditional characters: 綠 - green; chlorine 頭 - head; chief, boss; first, top 鴨 - duck; Anas species (various)