I ordered RIR pullets in February but when I picked them up at the hatchery they read my order as RIR or RSL. I just assumed with the commonality of the RSLs that that was what they were, but someone recently suggested they may actually be RIRs. My babies are 8 & 1/2 weeks old. Can anyone shed some light on this? Maybe they're mixed? If they are RIRs, are they pullets?