Okay, I know that I'm asking a very broad and kind of vague question, so I'm really not looking for definite answers, just a sense of what other people have experienced. We have 16 chickies, 2 weeks old this weekend/next monday. About 5-6 of them *seem* to have combs that are already larger than the others, sticking up some beyond their feathers on top of their heads. A few of these also have some pink already starting in their combs (including my favorite for looks, who is a pretty stripey baby (actually, though I don't think there is any Phoenix in their blood lines anywhere, he looks exactly like the baby gold phoenix here: http://www.feathersite.com/Poultry/CGP/Phoen/GoldPhoenBtyChik2day.JPEG))... Then there is my silly nosey body Vasco (named after Vasco De Gama the portuguese explorer, who was a bit of a monster to the SE Asians, but try to find an explorer that wasn't a monster to those they were "exploring" the lands of!) who has the mega-speedy feathering that is supposed to be more indicative of girls, s/he has a tail already!!! But s/he is another one of those who has a more pronounced comb already (though his personality is REALLY curious and brave, so I'm guessing it's 2:1 that he's a boy)... So, my question of the day is, is two weeks too early for secondary sex characteristics to be developing and I've just been reading too many posts over on the what gender/breed is this forum, ooooorr is two weeks about when you would start to see these changes happening between the boys and girls?