Is she actually a black australorp?

[NotSoBirdDog]

Hi,

I have three pullets, my first time with chickens. They were sold to me as Black Australorps, and are about 5 weeks old. One of them however is developing quite differently with a white head and a few white body feathers, and doesn't look like any Australorp photo I can find. Does anyone have input on if BA's can be this light at their age, or guesses of what she is if not?
The first two pictures is the one I'm referencing. The third and fourth photo are the other two pullets.
Thanks!

 

[The Happster]

None look like pure black Australorps to me.

 

[Silkie owner]

They could be a mix of colors but i don’t think their pure black. Beautiful chicks btw

 

[NotSoBirdDog]

Thank you, guess it'll be a surprise what they turn into. Haha.

 

[Rhodebar Lover]

Looks like an Australorp to me. Just with an abundance of white baby down and some white juvenile feathers!