This document is an illustrated list of birds in Chennai compiled by Dr. R. Narayanakumar. It acknowledges the Madras Naturalists' Society for providing the bird list and uses pictures from Google and other unknown sources, while trying to preserve copyright information. The list provides the common and scientific names of various birds grouped by type, including grebes, pelicans, cormorants, darters, herons, bitterns, and babblers spotted in Chennai.