I bought this little one at the farmers market yesterday. I really love my 2 D'uccles and so I thought I'd add another. I have no clue on the age on this chick. My guess would be 4-6 weeks old. The guy I bought it from had about 6 chicks that he said were hatched from one of his hens (so they were all the same size and age). They were all were clearly roos (bright red comb) except for this one. It's comb was a little smaller and a little pale. However, now that I got it home I'm starting to wonder if it's just a late bloomer... What you do think? Right now it's in quarentine & I'm sure in 4 weeks I will definately be able to tell.