One note about the age, I could believe that some of those are 9 weeks old. The evident roosters are obviously older but the barred rocks and other pullets look just like mine at that age. My chicks are usually fully feathered at 4 weeks. Here is a pic of an EE roo at 4 weeks old:
Here is an EE pullet at 8 weeks old:
Richard

Here is an EE pullet at 8 weeks old:

Richard