The Asian openbill is a protected bird under Thai law. It stretches out to about 90 centimeters in length when flying and is regularly found in Central and Northeast Thailand. A wader, it feeds on shrimp, shellfish, crabs and fish. The Asian openbill or Asian openbill stork (Anastomus oscitans) is a large wading bird in the stork family Ciconiidae. This distinctive stork is found mainly in the Indian subcontinent and Southeast Asia.