Button Quail- are these males?

[birds4c]

Can you tell me if these are all boys? They have the red vent feathers.

 

[muddy75]

Can you tell me if these are all boys? They have the red vent feathers.View attachment 2763897

Hard to tell from pictures but if they have red vent feathers most likely males

 

[Ravenlover]

Can you tell me if these are all boys? They have the red vent feathers.View attachment 2763897

All male

 

[birds4c]

Thank you both @muddy75 and @Ravenlover!