Sexing 9/10 week old SL Wyandottes

[Rhodebar Lover]

Actually let me add that I believe this one to potentially be a cockerel as well

 

[Tonyroo]

Trying to figure out how many roos I have! I know for sure we have 1 (Silver Laced Wyandottes). Any help. There are 9 birds (don't know if I got all of them).
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At that age, look at the color of there comb and waddle. If it's red those are cockerels. You definitely have 1 from the pictures. The females combs take a long while to form then turn red at 30 weeks.

 

[RoostersAreAwesome]

I agree with @Rhodebar Lover on which chicks are cockerels. It also looks like you have at least two blue laced silvers (the lighter gray ones).