I am still trying to sex my 12 week old buff orpingtons and I have been searching the internet looking for pics of roos and hens to compare to mine. Someone said that if they get shiny darker feathers they are roos, do hens get ANY darker feathers at all, or is this just a rooster thing? Also, what are the other tell tale signs at this age? I would love to see some pics from people who have older chickens and ones about the same age. Any help would be greatly appreciated.