I am guessing the striped ones are Barred Rocks... Its typical for the light colored ones to be males but by this time I could see the major difference between them, Large comb and waddles and the saddle feathers by 4 months were very well developed... I am not sure on the light one but the other is for sure a pullet
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The last pictures looks to be a rooster to me, the coloring and the saddle feather development looks pretty distinct. Pretty boy tho![]()