do red combs at an early age always mean roo?

[chase]

do chicks that get red combs at a young age ALWAYS turn out to be roos or does anyone have any experiance with them being pullets?
a friend of mine hatched some of my eggs for me, i have 7 chicks. 4 are 9 weeks and 3 are 8 weeks, only one of them has a small pale comb, 3 have small red combs and 3 have huge bright red combs.
i couldnt get pictures of all of them as they wouldnt stand still long enough, but heres some of them.

the only one i think might be a girl?????

the smaller red combs (maybe girls???

highly doubtful)

the huge bright red combs

soooo...... i have a feeling your all going to say boys.... even the tiny comb one

 

[Namble]

I think the first is a hen, rest are roos.

 

[Pet Duck Boy]

Rest are roos, the first is a girl.

 

[Happy Chooks]

Quote:
X2

 

[Minniechickmama]

Oh My God! You have a vampire chicken! Look at her eyes!!!!!!
Oh, it was just the flash. Whew!
That one is a she and the rest are boys. Sorry.

 

[jjrabbit2]

#1 Looks like a pullet to me. The rest all Roos

 

[Lobzi]

Besides the degree of the red color of the comb, notice the difference in how far back on the head the comb has developed. In the first one, it is mostly just on the front of the head, but on the others the comb has developed up to the top of the head. I think that is an additional clue I have noticed in mine.