Do these ducklings sound like females?

[Sierra67]

https://imgur.com/a/6XftPsA

 

[MeanCheek]

They do to me, but they still seem pretty young

 

[Sierra67]

They do to me, but they still seem pretty young

I believe they’re about 4 1/2 weeks old, started making these sounds a week ago

 

[MeanCheek]

I believe they’re about 4 1/2 weeks old, started making these sounds a week ago

They sound like girls, but I can't remember how similar they sound at that age