Gender on bantam and buff Orpington

[rcstanley]

Both chicks are six weeks old. I think both of these might be roos.
The bantam Cochin:

The buff orpington:

 

[Ol Grey Mare]

The BO looks like a pullet.

 

[jjsbns]

Buff Orpington is def a pullet. I have 6 about the same age.

 

[rcstanley]

Ok, I'm surprised because it is twice the size of the other two Orpingtons and the only one getting color in the comb, but hey, I'll take a pullet