Asian openbills are native to the oriental biogeographic region and are largely found in India, Sri Lanka, and certain parts of Indochina. They occupy their entire native range all year round, migrating to specific destinations during breeding season.
Biogeographic Regions: oriental (Native )Rights Holder
: The Regents of the University of Michigan and its licensorsBibliographic Citation
: Quasmieh, S. 2013. "Anastomus oscitans" (On-line), Animal Diversity Web. Accessed April 27, 2013 at Citation Link