Fourth edition of Puducherry Bird Atlas records 43,000 birds, 158 species

The fourth edition of the Puducherry Bird Atlas recorded 43,000 birds across 158 species in the PVAC bioregion. The project uses a grid-based survey method to establish long-term data on bird distribution and habitat health.
Why it matters
Citizen science projects like this are essential for monitoring biodiversity and the ecological impact of environmental changes in specific bioregions.
The fourth edition of the ‘Puducherry Bird Atlas’ , a bird-mapping exercise in and around the Puducherry-Villupuram-Auroville-Cuddalore (PVAC) bioregion, concluded recently, with over 43,000 birds belonging to 158 bird species recorded during the survey.
Organised by Svarnim, a unit of the Sri Aurobindo Society, Puducherry, it brought together 54 participants, including experienced birdwatchers from across India, local school and college students, and community volunteers. The teams covered 68 survey grids and submitted 300 standardised checklists through the eBird platform.
The exercise followed three previous rounds held in December 2025, March 2026, and June 2026. Together, the four surveys are intended to provide a seasonal picture of bird distribution and relative abundance, establishing a baseline for monitoring changes in subsequent years. As many as 124 species were recorded during the third season.
Also view: A brief guide to bird-watching spots and species in India
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