yeah it hard when they are solid colors. I can probably get a better pic of the saddle feather area.. it appears fluffy like a hen/pullet on this one.. but I will double chekc this evening.
By about 12 weeks mine can be sexed based on foot size. Look at your hens and cocks and you will note adult males have proportionally larger feet than sibling females. Some can be sexed earlier based on foot size with some at hatch.