Youn might try Coffin Creek Furs at the following web address. They show drake wood duck in their web pages as 'out of stock' but in the past I have found a phone call often produced items that were not in the on-line catalog....
[url=http://www.flytyingfurs.com/Products2.htm:1dabe]http://www.flytyingfurs.com/Products2.htm[/url:1dabe]

A great company to do business with, if they don't have it currently they might be able to get it in the future.