Why does my hen look like this?

[Hentastrophe]

Guys why does my hen look like this, she is healthy and acts like the rest of the flock, I dont understand why her comb is black?

 

[SilverBirds]

Black combs are just a breed characteristic.

 

[nuthatched]

It's just her natural coloring, some breeds have black skin.

 

[Ridgerunner]

What breed is she? Or if she is a cross, what breeds are in her background?