they are just over 4 wks old not just over 5 like i had said....they are now outside in a seperate pen from the rest. how do I know what sex they are? and when can I introduce them to the others without being picked on? The older chickens are in a cage very close to the 3 lil ones I have. But am curious what sex they are? 1 inpaticular i hope is a female and 1 i hope is a male orphington black. thanks for any and all help....1st timer 3 hatched and lived from incubator out of 24 pretty crummy!!!!