Genus Anas (Mallard, some teals, pintails and allies)

African Black Duck Anas sparsa

Meller's Duck Anas undulata (?)

Yellow-billed Duck Anas undulata

Laysan Duck Anas laysanensis

Eastern Spot-billed Duck Anas zonorhyncha

Indian Spot-billed Duck Anas poecilorhyncha

Mallard Anas platyrhynchos

Hybrid: Yellow-billed Duck Anas undulata x Mallard Anas platyrhynchos

Hybrid: Laysan Duck Anas laysanensis x Mallard Anas platyrhynchos

Hybrid: Indian Spot-billed Duck Anas poecilorhyncha x Mallard Anas platyrhynchos

American Black Duck Anas rubripes

Mottled Duck Anas fulvigula

Cape Teal Anas capensis

Lots more to follow...