we got six chicks back in April and were told they were all pullets. We are new to raising chickens, but I have suspected for the last month that this one is a rooster. Any opinions?
I assume you mean the red one? I can't really tell from the pic. Have you heard crowing - if it's a boy and he was born in April you should be hearing from him by down. If you can, post a close up pic into the link below.