all black mystery to this novice

[adamsclan301]

Looking to sell this bird, But thought I should see if more experienced people could help give me some info on what it might be. Thanks in advance.

 

[adamsclan301]

About 3.5 months old fyi

 

[MySweetChickens]

I know its a pullet lol

maybe she is an australorp

 

[Basskids08]

A couple look like they have cooper coloring in them which makes me think black sex links! If their Australorps they will have white bottom feet or if jersey giants they will have yellow bottom feet!