Oh man. That's what I was afraid of. He definitely makes different sounds (not crowing, but a kind of bark) from my hens and now I know why! Thanks for your help.
I'm a novice chicken owner and am now unsure about the sex of my Barred Rock.
Meet Sulu:
Please note that she was injured by the other hens and is still growing back the feathers on the top of her head. I'm not sure how old she is, but my friend who gave her to me, said she should have...