These pullets are unlike any breed I have seen... help!

[RiverOtter]

Thanks @Overo Mare

Yes, If you cross Red Sex Link pullets with a red rooster, you get birds that look like that, and some people will sell any red bird as a RIR.

 

[cmom]

Here are some young Production Rhode island Red chicks I raised years ago. I had a red heat lamp on them.