Cairina moschata
Most breeds of duck derive from the wild mallard, "Anas platyrhyncos", while a small minority are descendants of the Muscovy duck, "Cairina moschata". Duck breeds are normally officially recognized and described by a national body such as a ministry of agriculture. In some countries they may be recognized by groups of enthusiasts or breeders' associations, which may also draw up a breed standard. Among these are: