I'm hoping that those of you with more chicken experience will have an opinion. What do you think? Definitely a roo, or is there still a chance that this will be a hen? It's a 17 week old Americauna. To give you an idea of the size, that's a 17 week old Rhode Island Red in the background (no doubt in my mind that the Rhode Island Red is a pullet). It's the Americauna that I'm worried about.