Introduction
In a historic global milestone for avian conservation and raptor reintroduction, the Bombay Natural History Society (BNHS) and the Assam Forest Department on 16 August 2026 successfully executed the world's first-ever soft release of five captive-bred Slender-Billed Vultures (Gyps tenuirostris) into the wild at the Jatayu Soft Release Centre in the Biswanath Division of Kaziranga National Park and Tiger Reserve, Assam.
Conservation Crisis & Gyps Vulture Recovery
The critically endangered Slender-Billed Vulture has faced existential threats across the Indian subcontinent:
- 99% Population Collapse: The Gyps vulture population across South Asia plummeted by over 99% in the past two decades due to toxic renal failure caused by consuming livestock carcasses treated with veterinary non-steroidal anti-inflammatory drugs (NSAIDs) such as diclofenac, aceclofenac, ketoprofen, and nimesulide.
- Ecological Differences from Indian Vulture: Unlike the Indian Vulture (Gyps indicus) which is cliff-nesting and found south of the Ganges, the Slender-Billed Vulture nests strictly in tall trees across the Gangetic plains, Assam, and the sub-Himalayas.
- Jatayu Conservation Breeding Program: BNHS established dedicated conservation breeding centres in Assam, Haryana, West Bengal, and Madhya Pradesh, culminating in this maiden successful reintroduction.
Key Facts
- Event: World's 1st release of captive-bred Slender-Billed Vultures (5 birds)
- Scientific Name: Gyps tenuirostris (IUCN Status: Critically Endangered since 2002)
- Release Facility: Jatayu Soft Release Centre, Biswanath Division, Kaziranga Tiger Reserve, Assam
- Breeding Agency: Bombay Natural History Society (BNHS - Established 1883) & Assam Forest Dept
- Primary Threat: Toxic veterinary NSAIDs (Diclofenac, Aceclofenac, Ketoprofen, Nimesulide)
Exam Perspective
For TNPSC and UPSC examinations, this topic covers Environment & Ecology, Vulture Conservation in India (Action Plan for Vulture Conservation 2020–25), BNHS, IUCN Red List, and Biomagnification of NSAIDs in GS Paper III.
Conclusion
The pioneering release of captive-bred slender-billed vultures into Kaziranga marks a watershed moment in ecological restoration, resurrecting nature's essential scavengers from the brink of extinction.