Two years experience, a little less. I didn't check when I got them as I assumed they had been sexed by the hatchery. I have sexed them since, and they are all female.
It isn't...people haven't been reading my post!
The point was that I bought 1 drake, 3 hens. I was sent an extra duckling as insurance, in case one of the others didn't survive. All did, and are thriving. They are also all hens.
These Khaki Campbell ducks were hatched by a breeder and mailed to me. I originally ordered 1 drake and 3 hens, and received 5 newly-hatched ducklings (1 extra for insurance) on March 16th. All of them look like hens to me. The hatchery says to wait until they are 6 weeks minimum before deciding...