A couple of weeks ago I thinned out the excess roosters in my flock, about 20. When I had that many, the only one really ever crowing was the dominant rooster, a bantam Old English Game. He wasn't so bad, his little squeaky crow didn't carry far and he'd only let out three or four little crows a couple of times a day. I left myself with four roosters, (or so I thought), a white Rock, the Old English, an American Game, and a bantam Cochin. Well, two days after butcher day the one New Hampshire Red I left because it was obviously a hen started crowing. And crowing a LOT. Now, all the roosters I have left are joining in, and they begin at 2:30 in the morning and do not take a break longer than ten minutes until sometime around noon! And then around late afternoon, they start again, and do not stop until dark. I've got such a headache from the noise and lack of sleep....I started making them all sleep in dark covered cages in my horse trailer, but they are still crowing, and I think they're doing it louder. Argh. Why would they suddenly start crowing so excessively? This doesn't seem normal to me, I've never had a rooster crow that much, much less five. It's not like they were too young and just started--they are 10 months old. They did not see the fate of their friends, the extra roosters were taking off of my property to be processed, and they are accustomed to me coming into the pen and catching one or several birds at a time, that doesn't generally upset them.