New Delhi, July 7 -- The greater flamingo with its long, coat hanger neck and pink-white plumage, and the Indian pitta, known for its distinctive calls, were among the 21 first-time sightings recorded across the national capital this summer.

More than 160 bird species including endangered and migratory species have been recorded across Delhi as part of the Delhi Bird Atlas.

The summer phase of the atlas - a pioneering citizen science initiative supported by Wildlife SOS and the Delhi Forest and Wildlife Department - reported 21 first-time sightings and saw over 600 checklists uploaded to the eBird platform, surpassing the winter documentation efforts, according to a statement.

Greater Flamingo (Phoenicopterus roseus), Black Bittern (Ixob...