Blue spots on my ducks bill

[crazyduckgirl04]

my duck has blue spots on his bill mostly on his nostrils. Help is this a disease or something I need to treat. He acts normal and is totally healthy. I think he's fine. Right?

 

[Kiki]

Can you post a few pictures of this?

 

[crazyduckgirl04]

Can you post a few pictures of this?

I'll have to take pictures tommorow because at the moment I don't have one.