Oh, and depending on where you got them, the last one could be Austra White or exchequer Leghorn, too. You know, just to further confuse things. :lau I suggested the more common one for a layer pack but the rare thing throws a wrench in the works.
It's just really hard to tell from chick down and baby legs. And then add in that comb types aren't necessarily clear or correct (lots of singles pop up where they aren't desired!)
Easter Egger, production red, cuckoo Marans, Speckled Sussex, and CA White.
ETA: just realized you said rare as well as rainbow. Changing#1 to Silver Phoenix.