Please help me figure out my beeds and what sex my RIR is!

[forkit2you]

Okay here is my RIR. It is a younger pic and I will get a newer pic. Can you tell if she is a he?

Also here are my 2 other hens. Do you know what breeds they are?

 

[juliechick]

the RIR is a rooster. I don't know what breed the others are, but they look like mixed breeds.