Here I am again ! Any idea what gender?

[Kyng]

First photo about four months old.
Next two are about 8 weeks old. Last one is marans. Middle and first unknown breed.

 

[Jener8or]

To me the first bird looks like a pullet and the last two are cockerels.

Not sure on the breeds. Mixed breeds?

 

[ella2025]

To me the first bird looks like a pullet and the last two are cockerels.

Not sure on the breeds. Mixed breeds?

I agree. Maybe the first pullet is a sebright mix.