So I have 6 5 week old chicks (and a 7 wk old spitzhauben) in a brooder in our workshop. Last week we started moving them into the chicken tractor during the day and then putting them back into the brooder at night. Yesterday I thought one of the creme brabanters went after me when I put my arm in the brooder to get the chicks to move them outside - but I wasn't sure as they get kind of hoppy .... Today there is NO doubt. Definitely flogged me - even left a scratch up by arm. The creme brabanters are SUPPOSED to be pullets (and I've seen no reddening of their crests/wattles - altho I'd be happy to have people look at em again because I got VERY few gender guesses when I posted pics for that) - even if it's a cockerel I have NEVER had a 5 week old be aggressive!! Is this a personality problem?