is one of these a roo? thought i had all hens...now im not sure

[Wendy'sChicksRock]

all these "hens" were hatched the first week of june.
Im thinking one of them maybe a roo... what do you think?

 

[apryl]

Im not going to be of any help here

Im going through the same thing with my 4 BR's.

 

[luvchicks8]

I see a roo there

 

[Lbrad7]

The Barred Rock with the large comb is 100 percent roo.

 

[sheila3935]

definatly one roo.