So I read on a thread that on the RIR chicks if there is a line on the head it's a hen if no line it's a rooster. I'm asking because my order didn't come with the rooster I ordered. I ordered the pullets so u know there is a chance one of them is a rooster. So I knew that one of them is for sure then I will stop trying to find one else where. Here is a pic if the only one I have that doesn't haven a line on its head. Opinions please.