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| White-rumped Vulture | |
|---|---|
| Name | White-rumped Vulture |
| Status | Critically Endangered |
| Status system | IUCN3.1 |
| Genus | Gyps |
| Species | bengalensis |
| Authority | (Gmelin, 1788) |
White-rumped Vulture is a critically endangered Old World vulture native to South Asia and Southeast Asia, notable for its precipitous population decline. It is a large carrion-feeding raptor historically common in India and Pakistan that has become rare due to multiple anthropogenic threats. Conservation attention has involved numerous institutions, researchers, and policy initiatives across international, national, and local levels.
The species was described by Johann Friedrich Gmelin and placed in the genus Gyps alongside relatives like Himalayan vulture, Indian vulture, and Cape vulture. Historical names include Bengali vulture and white-backed vulture in older literature authored by naturalists such as George Edwards and John Latham, and appeared in catalogs of institutions like the British Museum. Molecular studies published by teams including scientists affiliated with the Natural History Museum, London and universities such as University of Cambridge and University of Oxford clarified its relationships with other Gyps species, contrasting with ancient classifications referenced by figures like Carl Linnaeus. Taxonomic treatments in regional checklists from organizations such as the BirdLife International partnership and the International Ornithologists' Union guide contemporary nomenclature decisions used by conservation programs run by entities like the World Wildlife Fund.
Adults are predominantly pale with a naked head and a distinctive pale rump, described in field guides produced by authors such as Salim Ali and publications from the Cornell Lab of Ornithology. Key identification features are compared in regional manuals alongside species treated in works by Kenneth E. L. Simmons and illustrated plates by John Gould. Morphometrics have been reported in journal articles in outlets like the Journal of Avian Biology and proceedings of meetings held at the Zoological Society of London. Plumage, bare skin coloration, bill structure, and wing shape are diagnostic and have been documented in surveys coordinated by institutions such as Bombay Natural History Society and the Wildlife Institute of India.
Historically abundant across regions including India, Pakistan, Nepal, Bangladesh, and parts of Southeast Asia such as Myanmar and Thailand, the species inhabited open woodlands, agricultural landscapes, and riverine areas cited in reports from agencies like the Government of India and conservation NGOs including BirdLife International and IUCN. Range contractions documented in technical reports by the Convention on Migratory Species and studies from universities such as University of Delhi and Tribhuvan University show fragmentation and local extirpations. Important sites include protected areas administered by organizations like the Ministry of Environment, Forest and Climate Change (India) and sites recognized by Ramsar Convention listings.
Social and gregarious, the species congregates at communal roosts and carcasses; roost dynamics were analyzed in research involving collaborators from University of Oxford and Durrell Wildlife Conservation Trust. Flight, thermalling, and interspecific interactions have been compared with vultures observed in long-term monitoring projects led by Bombay Natural History Society and international teams funded by foundations such as the National Geographic Society and Mava Foundation. Movements include local dispersal and nomadic responses to food pulses, reported in telemetry studies employing devices supplied by vendors used by research groups at institutions like Indian Institute of Science.
An obligate scavenger, the species feeds predominantly on mammalian carrion from domestic ungulates such as cattle and buffalo, topics addressed in investigations by veterinary departments at Punjab Agricultural University and livestock studies cited by the Food and Agriculture Organization. Feeding ecology, competitive exclusion at carcasses, and benefits to public health were documented in interdisciplinary work involving World Health Organization guidelines and collaborations with local municipal authorities. Poisoning risks arise from veterinary pharmaceuticals highlighted in field studies by researchers connected to Royal Society for the Protection of Birds and policy analyses by the United Nations Environment Programme.
Nesting behavior includes colonial nesting on large trees and cliffs, recorded in atlases produced by BirdLife International and surveys conducted by regional chapters of the Nature Conservation Foundation. Clutch size, incubation periods, and fledging success rates were measured in demographic studies by teams affiliated with universities such as University of Cambridge and conservation NGOs including The Peregrine Fund. Nest site selection and juvenile dispersal are impacted by habitat alteration documented by environmental assessments from agencies like the World Bank and national forestry departments.
The catastrophic decline since the 1990s has been primarily attributed to veterinary use of the nonsteroidal anti-inflammatory drug diclofenac, identified in toxicology studies led by researchers at Royal Society-funded projects and institutions like Zoological Society of London; subsequent bans by governments including the Government of India and regulatory actions influenced by the Ministry of Health (India) aimed to curb veterinary diclofenac use. Additional threats include poisoning, habitat loss from infrastructure projects backed by agencies such as the Asian Development Bank, and food shortages linked to shifts in livestock management promoted by programs of the Food and Agriculture Organization. Conservation responses have involved captive-breeding and release programs run by Vulture Conservation Breeding Centres in partnership with organizations like RSPB and Save the Vultures, coordinated through forums such as the Vulture Multi-species Action Plan under the auspices of the Convention on Migratory Species. Monitoring and recovery efforts continue with involvement from universities, NGOs, and government wildlife departments, and remain critical to prevent extinction.
Category:Gyps (bird) Category:Birds of South Asia