Hmm. Can you post some clearer photos of his face? 5weeks is usually too early to tell, especially if it's behind in growth. I'm leaning towards cockerel at the moment, but I'd need a clearer photo ;)
I vote cull. There's no point in keeping a rooster like that. You don't want to breed those genetics, and he'll just make jobs like refilling the feed hard for you. If culling isn't an option, get some big boots (preferably steel-capped) and kick him back whenever he goes for you. It's mean, and...
Yes! I made this mistake on my very first batch of chicks. I thought we had 3 Cockerels and 3 Pullets. The actual turnout was much better! We had 5 Pullets and 1 Cockerel. I'm not saying it always turns out well though. Anyway, I've used the other basic sexing methods ever since (waiting until...
haha, fun.
I recently got into a new TCG called Star Wars: Destiny, it's pretty good. Obviously, it's a TCG/CCG, which means you have to be careful with your money, but it's pretty good if you can do that.
Welcome to BYC CJP! I hope you learn much from this resourceful site! To give you a head start - and because you're a fellow Aussie - I've given you a follow and your first profile message!