Updated India Index Estimated a 71.3% Long-term Decline for Sirkeer Malkoha

The 2025 interim update to State of India’s Birds, published on Zenodo in May 2026, estimated a steep decline in the national abundance index for sirkeer malkoha (Taccocua leschenaultii). The updated long-term trend was −71.3%.
The current annual trend was estimated at −4.0% per year. Both updated estimates clearly supported a decline. The species’ estimated distribution range size in India was 716,269 km².
The interim update recalculated numerical distribution-range, long-term-trend and current-annual-trend values for 942 bird species using about 48 million eBird observations submitted across India through 31 May 2025. The trend values describe change in a reporting-based abundance index rather than a direct count of individual birds. The assessment categories from 2023 were unchanged in this numerical update.
In the State of India’s Birds assessment it remains in the High conservation-priority category despite being classified globally as Least Concern.
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