If they're boys it could take awhile for the hackle/saddle feathers to show up if they're developing slowly. If they're girls and they're that red they should be laying or very close to it. You can feel their pubic bones just under their vent. If the cartilage between them it tight and hard...
Mmm, those legs and the red on the wings screams roos to me. At this point, just wait it out until you get crows or eggs. Although, my BO started laying at 5 months...