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Revision as of 05:34, 7 August 2009
| Slender-billed Vulture | |
|---|---|
| |
| Head of Gyps tenuirostris | |
| Conservation status | |
 Critically Endangered (IUCN 3.1) | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Order: | Falconiformes (or Accipitriformes, q.v.) |
| Family: | Accipitridae |
| Genus: | Gyps |
| Species: | G. tenuirostris |
| Binomial name | |
| Gyps tenuirostris | |
| Synonyms | |
|
Gyps indicus tenuirostris | |
The Slender-billed Vulture (Gyps tenuirostris) is a recently recognized species of Old World vulture. For some time, it was lumped with its relative the Indian Vulture under the name of "Long-billed Vulture". However, these two species have non-overlapping distribution ranges and can be immediately told apart by trained observers, even at considerable distances. The Indian Vulture is however found only to the south of the Ganges.
This species has suffered a marked decline in its numbers in recent years. Wild populations remain from northern and eastern India through southern Nepal and Bangladesh, with a small population in Burma. The only breeding colony in Southeast Asia is in the Steung Treng province of Cambodia. This colony is thought to number about 50–100 birds. The survival of the vultures in Cambodia may have been partly because diclofenac, which is poisonous to vultures, is not available there. The Royal Society for the Protection of Birds (RSPB) has placed the approximate number of slender-billed vultures living beyond confines at about 1,000 in 2009 and predictions estimate total extinction within the net decade amongst the wild population.
Conservation
The Slender-billed Vulture is a protected species listed on the appendix II list of CITES, because its numbers have declined rapidly. Its decline is largely due to the use of the non-steroidal anti-inflammatory drug (NSAID) diclofenac in working farm animals, especially in India. Diclofenac is poisonous to vultures, causing kidney failure, and is being replaced by meloxicam (another NSAID), which is not toxic to Vultures. The retail sale of Diclofenac is banned by law in India, however is still acquired illegally and applied to livestock.
Captive-breeding programs in India are aiming to conserve the species, and it is hoped that vultures can be released back in the wild when the environment is free of diclofenac. For the first time, joint efforts between the RSPB and the Zoological Society of London have resulted in successful captive breeding in 2009. Two Slender-billed Vultures hatched and are being independently cared for in Haryana and West Bengal.
References
- Colony of Endangered Vultures Discovered in Cambodia
- birdlife.org
- BirdLife International 2004. Gyps tenuirostris. In: IUCN 2007. 2007 IUCN Red List of Threatened Species. Downloaded on 29 January 2008.
Citations
- ^ Alleyne, Richard (August 6, 2009), "Endangered vulture could be saved thanks to help from RSPB", Telegraph.co.uk, retrieved 2009-08-06
{{citation}}: CS1 maint: date and year (link) - ^ "Indian vulture births are hailed Conservationists say they are delighted at the news that one of the world's most endangered birds has twice been successfully bred in India.", BBC News, August 6, 2009, retrieved 2009-08-06
{{citation}}: CS1 maint: date and year (link) - ^ Press Association (August 6, 2009), "Boost for endangered vultures after captive breeding success Two slender-billed vultures born in RSPB breeding programme in India as wild population heads towards extinction", Guardian.co.uk, retrieved 2009-08-06
{{citation}}: CS1 maint: date and year (link)