yes there are aggressive roosters, and I've culled 2 for it. But youngsters like this one are not lost causes, in my view. Don't feel daft flapping your arms - you're talking chicken, as that's what they all do to show dominance! A broom is indeed useful if you prefer to keep him at more than arm's length.
Do you know how old he is? Does he chase the hens or dance for them?
Do you know how old he is? Does he chase the hens or dance for them?