I two questions what do a male and female welsh harlequin ducks look like I need to know for 4-h and my major 2nd question is I have 2welsh harlequin ducks ,2 black Swedish ducks those 4 ducks are roughly 2-3 months old then I have 3-4 week old Peking ducks so my questions is when they are all old enough to breed will they breed with the different breeds?