Cockerel joins in singing the egg song.

[lagrange chicks]

I don't know if it is normal for a cockerel to join in when the hens sings her egg song, but mine does. He is loader then the hen.

 

[SilverBirds]

@Shadrach has an interesting article about this. The Egg song, it’s not about the egg; it’s an escort call.

 

[lagrange chicks]

Thanks for the link.

 

[Shabby Chic-Hens]

All roosters do it.