Tmatboey (TB) is a flagship birding site, situated in the Northern Plains, within the Kulen Promtep Wildlife Sanctuary. It is approximately 200km northwest of Siem Reap. This area is one of the key sites for the critically endangered Giant Ibis and the White-shouldered Ibis. The conservation project at Tmatboey was set up by the Cambodian government’s ministry of environment, conservation NGOs, and the Tmatboey village community.