Bielefelder Roo crossed with....

[Gotahorse]

One on left is crossed with Crested Cream Legbar. Wondering if #2 and #4 are Bielefelders or RIRs. He's my only rooster and I have one Bielefelder hen, one RIR hen and a Golden Laced Wyandotte that lay similar eggs.

 

[myfivegirls]

From the Bielefelders I've hatched, #2 & #4 are probably mixes. The pure females all look pretty much the same at hatch, very distinct chipmunk stripes. And I also have a Bielefelder rooster with some of the Catskill Homesteader hens, and it's pretty obvious who's pure and who isn't. Even the ones hatched from a CH green egg layer who produces "chipmunk" chicks that look like the Bielefelder females, they aren't exactly the same markings & have small combs.

What about #3? The male Bielefelders of mine were a little darker than #3, with at least a tiny headspot. Plus, I haven't had a male with a dark ring around its neck or stripe on his head.
Here's some pictures of the chicks I've hatched for comparison.

 

[marsmallowthesilkie]

Bielefelder females have the "Chipmunk" pattern