Hello, i have 2 buff orpington hen/splash orpington rooster cross chicks and they are 7 weeks about and i was tring to decide if i have roosters or hens. Any help wpuld be appreciated. One has a tail which i think is a hen and the other does not yet which i think may be a rooster (i only think becaus eof the chicks stance and ebery time i have had orpington chicks the rooster of the group has no tail till older) 1st pic jas tail 2nd has no tail