8 week old black australorp what gender?

[wychickenwrangler]

The legs on the second BA are alot thicker than the other two, and it is also bigger than the other two.

 

[stoneeater]

I have 2 BA's that are about 7-8 weeks old. The one I think is a roo has a very short tail compared to the one I think is a hen. Plus the suspected roo's comb is spikier than the hen's.