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VOL. I · EST. 11.2025 
SatyaDheesh
सत्याधीश
India's Ground Truth Record
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Despite nesting decline, Wayanad’s vultures still soar

GS3Economy · S&T · Environment · Security· Biotechnology & health research· Prelims·

Why in news

Wayanad Wildlife Sanctuary reported stable vulture populations despite declining breeding rates, attributed to healthy ecosystems and the absence of toxic drugs like diclofenac.

Background

Wayanad Wildlife Sanctuary is the only location in Kerala where vultures are found. The sanctuary's abundant grasslands (vayal) and healthy ecosystem are cited as primary reasons for population stability.

Facts for Prelims

  • EnvironmentWayanad Wildlife Sanctuary: The only location in Kerala where vultures are found.
  • FactDiclofenac: A toxic drug identified as a factor in vulture population maintenance in protected areas.

For Mains

Q. Discuss the ecological significance of vultures in maintaining ecosystem health and evaluate the impact of pharmaceutical pollutants on avian biodiversity in India.

Dimensions to cover in your answer

  • Toxicological impact: Persistence of diclofenac in the food chain affecting scavenger survival
  • Habitat fragmentation: Loss of nesting sites due to human activity and invasive species
  • Ecosystem services: Role of vultures in carcass decomposition and disease control

Keywords: Biodiversity conservation · Ecosystem services · Toxicology · Habitat degradation · Avian population dynamics

Read the full news →Report a mistake in this noteSource: The Hindu ↗Also: GS3 · Biodiversity & conservationAlso: GS3 · Species, protected areas & wetlands

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