Mallard (Vịt cổ xanh, Anas platyrhynchos), which belongs to the subfamily Anatinae of the waterfowl family Anatidae, is a dabbling duck that breeds throughout the temperate and subtropical Americas, Eurosiberia, and North Africa and has been introduced to New Zealand, Australia, Peru, Brazil, Uruguay, Argentina, Chile, Colombia, the Falkland Islands, and South Africa.