Duck cohabitation between call ducks khaki Campbell and Welsh harlequin

[SN_baston]

I want to ask questions and overall opinions about how these ducks would coexist properly I'm planning to make a quite spacious run where I'm going to house to call ducks unknown gender. one female Welsh harlequin. And one female khaki Campbell. I want to ask questions about their cohabitation and general tips about how they would get along in a run I'm buying them all at the same time so give me some tips you guys

 

[sourland]

Large drakes with call hens might present a problem, but call drakes with large hens would be okay.