Sexing my 5 week old ducklings

[RemyM]

https://youtube.com/shorts/6Da5oevwPjg?feature=share

Here is my Rouen “talking” with its mouth full to my Pekin

 

[Miss Lydia]

I hear a quack and a peep if both are same age you have at least one female. And the peeping one may still come around to.