Silkie sexing

[mtnmom85]

I have 5 silkie babies that I need help sexing. They are around 10 weeks old.
Thanks in advance for any help!

Number1-
stands lower to the ground.
Red wattles
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Number 2-
Has some wattle growth
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Number 3-
Stands taller with slight comb and wattle development. This one is a week younger than the rest.
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Number 4-
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Number 5-
This one im 99% sure is a hen
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Here are my silkies. I have the 2 white roosters, my 5 buff pullers and my Splash who is also supposed to be a pullet. Time will tell though.