we had 2 roosters in our flock. they were born at the same time and would currently both be 6 months old. one was incredibly dominant, the other never made a sound and his comb stopped growing around the size of a hen's of their breed. we have never seen him even attempt to mate with the ladies. but he was definitely a roo. well, 3 weeks ago our dogs took out the dominant rooster and i was concerned about reptar (the rooster who makes no noise) being able to fill his role as the only rooster in the flock. well, 3 weeks later, i don't even know how this is possible, but his comb started growing again after a 2.5 month hiatus, he has bulked up, and this morning i watched him awkwardly, but successfully, mate with one of our ladies!!!!!!! AND HE STILL DOESN'T EVEN TRY TO MAKE ANY NOISES!!!! not even clucking!!!! i'm thinking he is eventually going to try, but for now i am going to bask in the glorious silence because we aren't technically supposed to have roosters where we live! is this even possible, that he just won't learn to crow? has anyone had a rooster who mated and served that purpose but never learned to crow??