Updated pictures: are these hens or Roos?!

[itsjuju2myloves]

Chick 1: golden Sebright

Chick 2: d'uccle

Chick 3: silver Sebright

Chick 4: silver duckwing OEGB

 

[BantamLover21]

I'm thinking they're all cockerels.

 

[junebuggena]

The first one might be a pullet. The others are definitely boys.

 

[Chicken Girl1]

I'm thinking they're all cockerels.

Agreed