Need help with sexing chicks

[Seasea12]

1-2 polish 3-4 polish 5-6 mottled Cochin 7-8 mottled Cochin 9-10 Easter egger 11-12 Easter egger

 

[nuthatched]

How old?

 

[Seasea12]

How old?

About 5 weeks

 

[nuthatched]

About 5 weeks

Try again in 2-3 weeks without the red light but I'd say the mottled cochin and the last ee are suspect cockerels

 

[Seasea12]

Try again in 2-3 weeks without the red light but I'd say the mottled cochin and the last ee are suspect cockerels

Both mottled Cochins? The last 3?

 

[nuthatched]

Both mottled Cochins? The last 3?

The second mottled cochin and the second ee it. it would help to have pics without the red light. it's a little young yet to say first sure on some.