Male or female ducklings?

[BackyardAnimalsDucks]

These are welsh harlequins. Are they male or female. I hope there male and female but there bills are the same so..the two are different ducklings.

 

[Cyprus]

Girls

 

[BackyardAnimalsDucks]

I guess it’s better than two males

 

[BackyardAnimalsDucks]

I had 4 but two died

 

[chickens really]

You can only sex them the first day or two by Bill colour because they quickly change.