Rooster or hen

[Mika17]

Is tgisba Roo or a hen. I think it's a hen, her brother looks different. I did notice that she mounts off chickens so that makes me wonder if it's a rooster.

 

[WingItRanch]

How old? I think i see some pointy saddle and hackle feathers (which would mean male) but it's hard to tell with the sunlight reflecting in the photo.

 

[nuthatched]

If it's under 16 weeks, it's a male