The genome of "Anas platyrhynchos" was sequenced in 2013. Nowadays, Peking Duck is prepared from the white feathered Pekin duck ("Anas platyrhynchos domestica"). This type is considered a subspecies of the mallard, as "Anas platyrhynchos diazi" (AOU 1983). The reservoir is of considerable importance for wintering waterfowl, especially Anas platyrhynchos. He gave it two binomial names&colon; "Anas platyrhynchos" and "Anas boschas".