At 20 weeks, they are female. If they were 8 weeks old, I would think otherwise. Please compare comb shape and size to the 10 week old cockerel. This persons Cemanis have a flatter/straight shaped comb compared to the very rounded cockerel comb.
Agreed!
One thing I noticed is the Cemanis vary greatly on laying. One of my hens laid REALLY early, the other was a couple months later. Also their frequency varies as well. The one that started laying early lays daily. The other is every three days or so. Pretty birds you have.