Anas platyrhynchos domesticus is the domesticated form of the mallard, a waterfowl species in the family Anatidae, widely kept around the world for meat, eggs, and ornamental purposes. The genus name Anas is Latin for “duck,” while the species epithet platyrhynchos comes from Greek roots platy- meaning “broad” and rhynchos meaning “beak,” describing the characteristic broad, flat bill of the mallard. The subspecies designation domesticus reflects its domesticated status. The common name, domestic mallard, differentiates it from the other species of domestic duck, the Muscovy duck. Domestic ducks have been bred over thousands of years in Eurasia, particularly in China, Southeast Asia, and Europe, with selective breeding for size, egg production, and plumage traits.

Domestic ducks are medium-sized waterfowl with a broad body, webbed feet, and a flattened bill adapted for foraging in aquatic and semi-aquatic environments. They are omnivorous, feeding on seeds, aquatic plants, insects, and small invertebrates. In agriculture, Anas platyrhynchos domesticus is valued for its rapid growth, adaptability, and high-quality meat and eggs. Common breeds include the American Pekin for meat and Khaki Campbell for eggs. In East Asian cuisine, duck meat is especially prized for its rich flavor and tender texture, often prepared roasted (Peking duck or Cantonese roast duck), braised, or in soups and stir-fries. Duck eggs are larger and richer in yolk than chicken eggs and are used in both savory and sweet dishes.

Nutritionally, domestic duck meat is high in protein and fat, including significant amounts of monounsaturated and polyunsaturated fatty acids, along with vitamins B1, B2, B12, niacin, and minerals such as iron, phosphorus, and selenium. Bioactive compounds present in duck include taurine, carnosine, and various peptides formed during digestion, which have been investigated for antioxidant and cardioprotective properties. Duck fat is also valued in culinary applications for its flavor and high smoke point, making it suitable for roasting and frying.