Yes, sometimes I don't start noticing the darkish stripe until they are at least several days old and it can be very faint in the ones that are going to be really light colored Sweetgrass. Any yellow poults that hatched from the 7 fertile eggs will be pure Sweetgrass.Here are all the lightest colored poults. I'm thinking one red one, and one definitely sweet grass there with the darkish stripe. Could any others be sweetgrass?