The global distribution of the Narcondam Hornbill is restricted to the small Narcondam Island spread over an area of 6.8 sq. km in the Andaman Sea. In this study, we describe the nest site characteristics, and abundance of the Narcondam Hornbill nest tree species based on 33 nests (active and potential) that we observed during our study period. We describe nests that we found in 13 tree species including some species which have not been...