delaware pullet or rooster? ?

[314chickens]

These chicks are around a month old just wondering if there's any way to tell

the last picture is to different ones I got along with the other one

 

[keesmom]

These chicks are around a month old just wondering if there's any way to tell Cockerel
Cockerel
Cockerel top, likely pullet below the last picture is to different ones I got along with the other one

 

[314chickens]

I'm guessing cause if the fan or whatever you call the thing that thing on the head? Is why you say that?

 

[Ol Grey Mare]

I agree with keesmom

 

[speckledhen]

You call that the comb on his head. And I agree with keesmom as well. Pullets don't develop bright pink and enlarged combs this early.