didnt think they were special but if anyone is after any i know a breeder at weston nsw who breeds cocks and hen yellow beaked zebs all the time think he sells them 10 a pair? pm if anyone wants there contact info
Yellow beaks are just that, Yellow FM, that cock is a light coloured normal I think, sorry to say. Don't have a photo of the Yellow Beaks I had, but they really are yellow, with no hint of red/orange at all.
http://www.efinch.com/species/ybzeb.htm
Read the last sentance in the notes, it says the males beak will always have a bit of orange in it.
I'm still going to try anyways and see what happens.