Suppose to be a hen but not so sure...

[nurse_turtle]

I think a barred mix of some sort. HIS legs are too tall for a pure barred rock. He's gonna be a big boy if he grows into those monster legs.

 

[vickie2133]

Yep it is confirmed it is a roo.

 

[PHILMAN]

Heck yeah ! thats a roo for sure !

 

[mother o' chicks72]

Yep, that's a black sex-link rooster. Looks like whoever sold it to you scammed you, or just had no idea what they were talking about.