Hens or Roos?

[tirrell]

what do you think of these they are 10 weeks with their mom

 

[summerb123]

the black one looks cockerel the red one looks like a pullet

 

[henny1129]

what do you think of these they are 10 weeks with their mom

I would need a better pic of the chickens, I can't see their tail feathers too well. I'm seeing some darker shading on the wings of the brown one, so that one might be a cockerel. :/