So I currently have 5 Khaki cambells. 3 Hens, 2 Drakes. I also have 10 Pekins. I plan on keeping 6 ducks all together, 1 Drake and 5 hens. So my question is which of the two Cambell Drakes should I keep? One of them has a light yellow-green bill and two hens that follow him around, the second...