Sexing Button Quail

[Pnatoes]

Hello! I'm having issues sexinf button quail. This is my first time, and I'd like some advice on what you guys think.

 

[The Birb King]

They all look like males except the 2 tuxedo ones

 

[ButtonNomies]

All males except the tuxedos ... cant see the silver tuxs tail end very clearly but the darker tux is a hen the rest are Males, rusty vent feathers and solid colouring xx

 

[ButtonNomies]

Darth - Male
Bluefaced - Male
Tuxedo - Hen
Silver - Male
Traditional - Male
Tuxedo -? But looks like a Hen
Darth - Male