Green bills

[dusta]

All but one of my six remaining ducks have green bills. But two accept mating and I get two eggs a day. So what is this about green bills being males?

 

[Kingbobkingdom]

All but one of my six remaining ducks have green bills. But two accept mating and I get two eggs a day. So what is this about green bills being males?

It might depend on the type of duck. The duck in my profile picture is a male but he has a bright yellow bill.

 

[cheezenkwackers]

All but one of my six remaining ducks have green bills. But two accept mating and I get two eggs a day. So what is this about green bills being males?

Pictures please.

 

[dusta]

Sorry I have no pictures. The ducks are in a raggedy molt. There are not even any curls as there was