Howdies all! I have two Australorps that are exactly 9 weeks old, both hatched on April 19. They're developing quite differently, and I suspect the one with the red comb is a rooster -- the other's comb hasn't even started. Or, is it possible that they could develop at different rates? This first picture shows both chickens, with the one in question on the right: Here's another, with the chicken in question in the foreground -- the other Australorp is in the background. Finally, here's a clearer shot of the chicken in question: Thanks in advance for your opinions!