Are they Roos?

[my first peepers]

I am new to chickens, have five "Ameraucanas" that I got from a feed store. I have since learned that they are actually Easter Egger's but I'm wondering about the gender of two. I was supposed to get all pullets but two of them with different coloring have different combs. This is the best picture I could get to show the difference. From left to right we have Dotty (always miss curious), Blackbird, Sunny and Daisy. It is the two black/white birds that I'm wondering about. They are six weeks old and no signs of special feathers yet. When do those come in? The girls (red/black) feathered out before the two in question. I can't tell a difference in behavior, believe me I'm looking for any signs!
Any help would be appreciated!


http://www.flickr.com/photos/21482466@N05/2654702766/

 

[Reinbeau]

Good to meet you!

You're going to have to post your picture somewhere and link to it, we can't see it if it's stored on your home PC.

 

[my first peepers]

I think I've got the picture thing figured out...
Any ideas on these guys/girls?

http://www.flickr.com/photos/21482466@N05/2654702766/

 

[Mahonri]

Too early to tell for me but I would guess that the front black and white one is a roo.