They look like hatchery RIR's to me (the tail, the color and stance).
Also, OP, you seem surprised that you have some cockerels in the flock?
Did you buy straight run chicks or did you have a broody hatch eggs?
Also, OP, you seem surprised that you have some cockerels in the flock?
Did you buy straight run chicks or did you have a broody hatch eggs?