I know it's very early, but I was wondering if anyone had any thoughts on my 3 week old chicks? This is Clementine, our RIR. I've heard the stripe on his/her head can be an indication that she/he's a hen. And this is Bolt. The egg was mislabeled RIR, but the breeder thinks it's an Australorp. We think he/she was trying to crow at 4 days, and that continued for about 4 days, then mysteriously stopped? He/she sure is fiesty. So any thoughts? And could you give reasons? I'm new to this.