What gender are my ducks and what type of ducks are they?

[Isaiah509909]

 

[Magnolia Ducks]

They look like Rouens. I think the crested is male and the other female. To be sure you listen to them. Females quack and males make a rasping sound.

 

[cheezenkwackers]

I think the crested is a Khaki Campbell drake and I agree the other is a Rouen drake. Are they both peeping or sound like they have a sore throat? Sort of a wasp, wasp sound?