Mallard Duck (Anas platyrhynchos) マガモ
Mallards in flight, showing their colored speculum bordered with white. Mallards are very common ducks found throughout the Northern Hemisphere. Amami 2024
A pair of Mallard Ducks in mating plumage. The male is on the right. Kamikochi 2003
A pair of Mallard Ducks. Kamikochi 2003