Thinking 2 of our Buff Orpington gals are in fact guys

[The Happster]

I don't see any cockerels.
All have pullet feathering.
How old are they now, btw?
It seems a bit early for them to be laying.

 

[afole4]

We got them on April 16, and the person said they were 2 weeks old then, so around 18 weeks old?