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VOL. I · EST. 11.2025 
SatyaDheesh
सत्याधीश
India's Ground Truth Record
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Eurasian diving duck in Kaziranga triggers climate change concern

GS3Economy · S&T · Environment · Security· Biodiversity & conservation· Prelims·

Why in news

The seventh waterbird count at Kaziranga National Park recorded the first-ever sighting of the smew (Mergellus albellus) in India, sparking discussions on climate change impacts on migratory patterns.

Background

The census recorded 105,540 individuals from 107 species at Kaziranga National Park and Tiger Reserve. The count identified 18 species on the IUCN watchlists as critically endangered, endangered, vulnerable, or near-vulnerable.

Facts for Prelims

  • EnvironmentSmew (Mergellus albellus): A diving duck species sighted for the first time in India during the 2026 census.
  • FactThe seventh waterbird count recorded 105,540 individuals from 107 species.
  • Fact18 species identified in the census are on the IUCN watchlists as critically endangered, endangered, vulnerable, or near-vulnerable.

For Mains

Q. Discuss the impact of climate change on the migratory patterns of waterbirds and the importance of protecting wetland biodiversity hotspots in India.

Dimensions to cover in your answer

  • Ecological shift: Altered migratory routes and timings due to rising temperatures and changing wetland hydrology
  • Habitat degradation: Loss of critical refuelling stops and nesting sites for endangered avian species

Keywords: Biodiversity hotspots · Migratory patterns · Climate change impacts · Wetland conservation · IUCN Red List

Read the full news →Report a mistake in this noteSource: The Hindu ↗Also: GS1 · Places in news / mapping

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