Completely black French Black Copper Maran

[LittleFluffMom]

So I got these chicks from a private breeder of French Black Copper Marans. Of the seven there are 3 roosters. 2 have beautiful coloring and one is all black. Is that normal for a Marans Rooster? Or is he just a really masculine hen? Attached are some photos of the boys.
Sorry, it was hard to get good ones.

 

[LaFleche]

Sorry, but the black one is a cockerel als well. Maybe a mix with Black Australorp.

 

[LadiesAndJane]

Agreed, all black one is also a cockerel.
Male saddle feathers are evident.

 

[MARANMAN2011]

Looks like an australorp to me