Pullet or cockrel?

[Alta Chicken Dena]

I'm wondering if these are cockrels or pullets? I bought from a backyard breeder, and found out one of my 4 months old at time of purchase was a roo, so now I'm suspicious about a few others. Thanks in advance for your insight and help.

#1 I believe is a blue laced wyandotte , about 7 months old.
#2 I believe is a Speckled Sussex about 8 months old. She attacked another of my chickens, the one I learned was a roo earlier this week. But didn't actuality hurt him.
#3 I believe is an Easter Egger, almost 4 months old.
#4 I believe is a cinnamon queen almost 4 months old.

 

[nuthatched]

1 is, the others appear to be pullets

 

[ella2025]

I'm wondering if these are cockrels or pullets? I bought from a backyard breeder, and found out one of my 4 months old at time of purchase was a roo, so now I'm suspicious about a few others. Thanks in advance for your insight and help.

#1 I believe is a blue laced wyandotte , about 7 months old.
#2 I believe is a Speckled Sussex about 8 months old. She attacked another of my chickens, the one I learned was a roo earlier this week. But didn't actuality hurt him.
#3 I believe is an Easter Egger, almost 4 months old.
#4 I believe is a cinnamon queen almost 4 months old.

I'm not sure about 1, but for 7 months old it makes sense for it to be a pullet. No cockerel specific feathering (they usually come in around 3-4 months) and i'd expect a fully developed hen that has the big comb and wattles at that age. Any crowing (also 3 months ish they should start)? All others are definitely pullets. 2 looks exactly like my 4 month old SS and should be laying now, are you sure she is 8 months old?

 

[Alta Chicken Dena]

Thanks for the replies.
The breeder was very loose on the ages, so she could be a month younger. I agree, I tight she looked as mature as my last hens, and have been checking the nesting box daily.
None of them had crowed yet.