I’m also a member of the FB group Guinea Fowl Enthusiasts. One of the admins there is working on a guide (not complete) and has this as her bronze picture. In the screen shot I’ve uploaded, there is no pic yet for “chocolate bronze” but there is a pic for bronze.
I lurk at a FB site called GuineFowl VGS. The name Dana Manchester comes up quite a bit for his work in guinea fowl genetics and this chart. Dana also says that this chart is out of date and needs to be modified, but it encompasses semi-pearling, attenuate, and dunn genes. Freeland Nash just...