how to sex a golden quail?

[cresent moon poultry]

I have some golden quail that are almost 6 weeks old, how do I tell the difference between male and female? thanks so much In advance.

 

[Mylied]

I'm not familiar with golden quail but other quail you can flip over, open their vent a little and if foam comes out it's male. Might have to be seven weeks old. Look up vent sexing quail for more details.

 

[cresent moon poultry]

Is there any way to sex them with feathers?