Vallanadu Wildlife Sanctuary
Why in news?
Vallanadu Wildlife Sanctuary in Tamil Nadu's Thoothukudi district has seen a significant rise in its blackbuck population, reaching 300 as of December 2025. Restoration efforts under the Tamil Nadu Biodiversity Conservation and Greening Project have transformed dense scrub into grasslands, boosting habitat suitability.
Key Highlights of Vallanadu Wildlife Sanctuary
- Location: Vallanadu Village, Srivaikundam Taluk, Thoothukudi District, Tamil Nadu
- Area: 16.41 sq km (6.34 sq mi)
- Established for: Protection of blackbuck antelope (Antilope cervicapra)
- Unique Fact: It is the southernmost natural habitat of blackbuck in India
- Vegetation: South Deccan Plateau dry deciduous forest and scrubland
Wildlife Found Here
- Mammals: Blackbuck, Spotted Deer, Bonnet Macaque, Jungle Cat, Small Indian Civet, Black-naped Hare
- Birds: Rose-ringed Parakeet, various migratory and resident species
- Reptiles: Common Indian Monitor Lizard
Ecological Importance
- Acts as a biodiversity hotspot in southern Tamil Nadu
- Helps maintain ecological balance by protecting endangered species like blackbuck
- Provides a safe haven for wildlife amidst increasing habitat loss
Challenges & Conservation Efforts
- Threats: Habitat loss, poaching, and human encroachment
- Efforts: Tamil Nadu Forest Department actively manages the sanctuary, ensuring protection of blackbuck and other species
- Recent Update: The blackbuck population has surged to around 300 individuals, showing successful conservation
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