- Mallard
Mallard (Anas platyrhynchos) [male and female] - Ruddy Duck
Ruddy Duck (Oxyura jamaicensis) - Ruddy Duck
Ruddy Duck (Oxyura jamaicensis) - Khaki Campbells
Khaki Campbells (domestic ducks that have escaped or been released) - Khaki Campbells
Khaki Campbells (domestic ducks that have escaped or been released; possibly hybridised)