Growing birds - whats their gender

[onefeathershort]

Thinking the pea comb black feathers is a rooster, not sure about the others. I'll up load more pictures,

 

[Bertram]

They all look like pullets to me even the black one.

 

[Tookie]

All look like pullets to me, but how old are they?

 

[onefeathershort]

All look like pullets to me, but how old are they?

Just over 8 weeks.

 

[Tookie]

Just over 8 weeks.

Oh goodness...I somehow missed this reply.
All still look like pullets in that photo.