I went to get some black sex link chicks and they were supposed to be pullets. However, when I came home I saw that one had a stripe on its head. I have always read that the males are supposed to have a dot but I guess there can be variations right? Is there a chance that it could still be a pullet even though the head isn't completely black? This is my first experience owning chickens so I would be thankful for any input in the matter.