I'm not sure if he would because are rangers hybrids? I don't really know much about them but I don't think hybrid birds can make them. But that might just be other sex links can't make them. The girls should be good though. At least the delaware. I think white rocks aren't recommended for one reason or another, i forget the exact reason but i think it mentions it in the article. I think it maybe makes it harder to sex or something. I don't know. The Delaware would work though and not sure about the male