First time hatching! Pullets or Cockerels ? 12 weeks old

[balletchickenmom]

Help me identify what sex each of these backyard mixes are! Rooster was an Ameruacana and two have copper maran mothers, two have buff Brahma mothers and 1, has a Cuckoo Maran mother.

 

[balletchickenmom]

Sorry some photos seemed to upload twice!

 

[SilverBirds]

The black chick is a cockerel. The others look to be pullets.

 

[WingItRanch]

The only that looks like a cockerel at this point is that black one looking into the camera.

 

[Hazel feather]

The black chick is the only cockerel but the rest look like pullets.