How to tell if its a rooster or a hen

[chickenman111]

I have 13 rhode island reds and 20 dominiques, they are nine weeks old. how can I tell which ones are hens and which ones are roosters.

P.S. If you can find photos of them that would help

thanks

 

[thebanthams]

They are too young to tell their sex , but keep your eye on the thickest leg and change of tail feathers (roosters) . give them few more weeks you will notice!