Roo? Not 100% sure...

[farmerChef]

I will spread apart the feathers on thier back to look for them. They are metallic and shiny

 

[donrae]

The first bird is a cockerel. I hope he stays nice for you, but remember he's just a baby at this point. Behavior can change a lot when the hormones start flowing.

The Aussie looks like a pullet at this point. The comb will tell the tale for the most part at this age.