One of the hens either stays in the nesting box all day or stands in the corner with her head down all day. A couple of the young roosters just stand in the corner with their heads down also. Are they sick ?? Or scared ??
Hi and welcome to BYC! I agree with the others, you really don't need a rooster unless you want to eventually hatch chicks. But if you have your heart set on one, I would keep the mellowest fella. Good luck and have fun with your chickens!