India, March 31 -- Following the success of a winter bird survey earlier this year, Delhi's forest and wildlife department is set to launch a month-long summer census in May to document avian species across the capital.

The survey, which will replicate the methodology of the January census, aims to provide a seasonal comparison of bird populations and contribute to the creation of the Delhi Bird Atlas-a first-of-its-kind comprehensive record of bird species, their distribution, and habitats in the city, officials said.

Expected to be released by December, the Delhi Bird Atlas will compile data from both winter and summer surveys to offer insights into resident and migratory bird populations. The January census, covering around 10% of De...