What breeds are these two chicks?

[JessicaDotta]

All right, I purchased two more mystery chicks, to add some more color to my flock. Can anyone tell me what these are?

 

[Lemon-Drop]

It’s going to be a bit tricky at this age.... where did you get them from? Maybe the last ones a BA

 

[JessicaDotta]

The sales lady thought the last one was a Black Australorp. She thought that maybe the first one was a blue australorp . . .