Pk here we go I think I got it!!!
Now look at the tip of his bill, there is a greenish spot and you can barely see where is is peeling off a thin layer of yellow skin on top.....
HI!! My favorite drake Frank has a weird green discoloration on the tip of his bill, and it has recently started to peel off....
Could it be caused by diggin into moldy straw? It's the only thing I can come up with.....he is mostly outside and gets to run around n the garden and in the mud.I...