Black Australorp Gender

[Poirier]

Gender of this one?

 

[Poirier]

EDITED: They are 7 weeks old.

 

[21hens-incharge]

At 7 weeks that is a cockerel.

 

[p4PaDuck]

Is there hackle (pointed feathers) and saddle feathers? And is the tail starting to curl? If so it’s a cockerel.

 

[Queen of Chickens]

that's a cockerel for sure