My bantam SPRs are now 13 weeks old and I'm trying to pick the best 2 roosters, so I can take the 11 others out for more room. I know chickens molt several times before they are grown. Anyone know if the coloring of the primary wing feathers would be permanent at 13 weeks? I only have a couple that have the white at the bottom of their primary (?) wing feathers as seen in SPR pictures. Can I assume at 13 weeks that the ones with black feathers instead of white will stay black to maturity or is it too soon? Thanks for any insight.