no they aren't, the fact that you have some you consider aggressive doesn't mean the breed as a whole is aggressive, I haven't had issues not even with the roosters nor had the previous poster nor had many people in countless other posts on this forum. Maybe the birds you have had came from a hatchery with a bad behaving line in that breed, you can argue all you want, you aren't going to convince people who own the breed without issue that they are an aggressive breed.
I have heard that so-called Production Red males are sometimes overly aggressive.....And, as I said previously, NH males I had were territorial and competitive, especially with each other but certainly not overly aggressive....The females were very friendly, non-aggressive and easy going...NH's are almost perfect chickens.....Would be nice if more breeders kept them and tried to rebuild their amazing productivity and beauty......Good luck and Thanks for sharing your thoughts..
that would be more likely especially considering rir nowadays are generally production reds anyways which do have a reputation for being a more aggressive bird, they also have the rusty red color like a nh rather than the deep dark red of the heritage rir
