Barred rock chick gender

[mozzar_ELLA]

I have a barred rock chick is only 3 weeks old but I have a bad feeling it’s a roo. Is there anyone that can tell?
Update: yes upon further inspect of my australorp chick it is actually a barred rock chick. This is the australorp. We named them before we were sure which was which and apparently we mixed them up

 

[featheredplanets]

Can’t be a barred Rock, there’s no barring. Too young to sex.

 

[mozzar_ELLA]

Can’t be a barred Rock, there’s no barring. Too young to sex.

She’s got white on the end of her wings sorry you can’t really see it. I did think they might be too young. Maybe I’m just paranoid haha

 

[Amylynn007]

This doesn't look like any barred rock I've seen :/ mine had barring on their wings, as in multiple bars, by three weeks.

 

[mozzar_ELLA]

This doesn't look like any barred rock I've seen :/ mine had barring on their wings, as in multiple bars, by three weeks.

Well breed wasn’t that important to me but now I have another mystery.

 

[Rhodebar Lover]

Way too young to sex. Wait until 4-5 weeks old. Looks like an Australorp! Black feathers with white/pink skin

 

[mandymcg05]

Could It be a cuckoo breed?? Def NOT barred rock.

 

[mandymcg05]

I have a barnyard mixed baby that looks almost exactly like this one. He/she is a mouthy lil thang lol

 

[mozzar_ELLA]

UPDATE::
The australorp chick is now 5 weeks old. I’ve definitely seen her on sentry duty and she does a lot of neck stretches that look like she’s trying to take a closer look. She acts different enough from the others that I am still suspicious. She’s got a little bit of a comb but no sign of a wattle yet. If she’s still not old enough to id I’ll update again in a few more weeks. Thank you anyone