I have a Bantam Cochin who I am almost positive is a roo. He is approx. 3 weeks old and his comb is pink. Whenever I put my hand in the cage, he "puffs" up and jumps at my hand and pecks. Do aggressive chicks grow up to be agressive adults? I've never had a roo chick before and am worried I've got a future flogger on my hands.