One of our 12 week old cochins is a cockerel, Oliver. He was really sweet but he has been running away and doing anything he can to avoid being caught. He doesn't fight or anything, just a pain to catch. I don't think it's that we haven't been letting them snuggle on us for a while, they've gotten too big to fit on one person(we also have an 11 wk old EE). They've been in the coop with the older pullets for at least a week. Maybe the stress of getting picked on and pecking order arrangement has him on edge?