I have only had females, so I do not know, but I imagine there would be no difference in the feathering between the genders as chicks. Best indicator of gender in non-bearded Polish is the males will develop wattles early. The female do not really develop wattles until just before laying age around 5 months.Now im wondering if i should dna test the polish! But... hmm.. the wings and tail are sooooo long.. im just feeling strongly its a girl. Are male polish new hatchlings long feathered?
Crests are also different, but until they are grown can be misleading. Females have more rounded crests and males have more punk rocker hair styles.