Please help Roo or Pullet

[Jschmit06]

Please help they should be laying age in about a month hoping to figure out if they are Roos or pullets. From what I have researched I think they might all be pullets but hoping to get the opinions of some experienced caregivers.
1&2 cuckoo maran
3&4 Rhode Island red
5&6 Rhode Island Red
7&8 blue New Jersey giant
7&9 blue New Jersey giant

 

[rural mouse]

Looks good. The red faced ones expect eggs from within a month. The giants will take longer (6-8 months of age for POL)