sexing young runner ducks

[aladatrot]

Hey all, thanks for your comments on my pond/snake question. My next duckie newbie q is how do you sex a young runner duck?

Cheers
M

 

[mtcougar832]

I'd love to know. You are supposed to be able to voice sex - from my reading the girls quack and the boys make a raspy sound. I think 3 of my 4 are quacking now - could I be so lucky to get that many girls? (They are 6 or 7 weeks old).