Can any of you tell if my Rhode Island Red is a rooster? All 3 chickens are 6 months old now. The Red just grew those longer tail feathers in the last couple of weeks, and today I was comparing it's comb to the other two & it looks a little bigger too. The Black Australorp's tail feathers were all picked out when I first got them (mid Sept.), so they're just now growing back in. The BA & the RIR still look to be about the same size. The other is a White Leghorn, so it's supposed to be smaller.