Palmyra and the Bald Ibises are a highlight of any trip to Syria. The Palmyra Society for the Protection of Environment and Wildlife can arrange guides, accommodation, food etc and they have a new website which they can be contacted by:
Totally recommend birding this area using these guys. I had a great time. And there is a pic of me in the news section- 'in the field' (I use this phrase in its broadest sense).