There is a report and photograph in the Thai language board http://www.discoverythai.com/modules.php?name=Forums&file=viewtopic&p=26833#26833 of 3 spoon billed sandpipers being sighted at Pak Thale on 6th November 2010. You need to scroll down the posting to get the actual posting, which opens with some excellent pictures of a great-crested tern.