Red-headed vulture

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Red-headed vulture
Red-headed Vulture Adult Male Bandhavgrah National Park 16042013.jpg
Male in Bandhavgarh National Park, India
Scientific classification edit
: [[Template:Taxonomy/Sarcogyps]]
Lesson, 1842
Species:
Binomial name
Template:Taxonomy/SarcogypsSarcogyps calvus
(Scopoli, 1786)
Sarcogyps calvus Verbreitung.png
Current distribution range of red headed vulture
Synonyms
  • Aegypius calvus
  • Torgos calvus

The red-headed vulture (Sarcogyps calvus), also known as the Asian king vulture, Indian black vulture or Pondicherry vulture,[2] is an Old World vulture mainly found in the Indian subcontinent, with small disjunct populations in some parts of Southeast Asia.

Description[edit]

It is a medium-sized vulture of 76 to 86 cm (30 to 34 in) in length, weighing 3.5–6.3 kg (7.7–13.9 lb) and having a wingspan of about 1.99–2.6 m (6.5–8.5 ft).[3][4] It has a prominent naked head: deep-red to orange in the adult, paler red in the juvenile. It has a black body with pale grey band at the base of the flight feathers. The sexes differ in colour of the iris: males have a paler, whitish iris, whilst in females it is dark brown.[5]

Red headed vulture female at Ranthambore

The red-headed vulture is very similar in appearance to its larger relative the Lappet-faced vulture in Africa and Arabia, even being historically placed in the genus Torgos [6]

A female red-headed vulture (left) and a Lappet-faced vulture (right). Both have similar anatomical features including skull shapes and the dangling skin lappets. They are believed to be closely related

Taxonomy and systematics[edit]

This is a species of Old World vulture found in the Indian subcontinent. It has no subspecies.

Distribution and habitat[edit]

This gaudy-faced vulture was historically abundant, range widely across the Indian subcontinent, and also eastwards to south-central and south-eastern Asia, extending from India to Singapore. Today the range of the red-headed vulture is localized primarily to northern India. It is usually in open country and in cultivated and semi-desert areas. It is also found in deciduous forests and foothills and river valleys. It is usually found up to an altitude of 3000m from sea level.[7]

Conservation status[edit]

The red-headed vulture used to be declining, but only slowly; in 2004 the species was uplisted to near threatened from least concern by the IUCN. The widespread use of the NSAID diclofenac in veterinary medicine in India has caused its population to collapse in recent years, however. Diclofenac is a compound now known to be extremely poisonous to vultures. The red-headed vulture population has essentially halved every other year since the late 1990s, and what once was a plentiful species numbering in the hundreds of thousands has come dangerously close to extinction in less than two decades. Consequently, it was uplisted to critically endangered in the 2007 IUCN Red List.[1]

Several NSAIDs have been found to be harmful to scavenging birds. Diclofenac, carprofen, flunixin, ibuprofen and phenylbutazone were associated with mortality. Meloxicam has thus far been found to be "Vulture-Safe" and its use in veterinary treatment of livestock is being encouraged.[8][9]

The red-headed vulture has started becoming more harder to come by as it is being hunted down. Places like Cambodia have put together special programs to help critically endangered vulture species. There has been evidenced compiled that showed hunters have started “ the use of poisons in hunting practices”,[10] which has led to the population analysis showing “that since 2010 populations of the White-rumped Vulture (Gyps bengalensis) and Red-headed Vulture (Sarcogyps calvus) have declined, while the Slender-billed Vulture (Gyps tenuirostris) may also have started to decline since 2013”.[10]

References[edit]

  1. 1.0 1.1 BirdLife International (2021). "Sarcogyps calvus". IUCN Red List of Threatened Species. 2021: e.T22695254A205031246. Retrieved 30 August 2022.
  2. Ali, S. (1993). The Book of Indian Birds. Bombay: Bombay Natural History Society. ISBN 978-0-19-563731-1.
  3. WWF- Red-headed Vulture (2011).
  4. Raptors of the World by Ferguson-Lees, Christie, Franklin, Mead & Burton. Houghton Mifflin (2001), ISBN 0-618-12762-3
  5. Naoroji, Rishad (2006). Birds of Prey of the Indian subcontinent. pp. 282–287.
  6. "Vultures=29 September 2022". Researchgate.
  7. Ferguson-Lees, James; David A. Christie (2001-09-17). Raptors of the world. Houghton Mifflin Harcourt. pp. 443–444. ISBN 978-0-618-12762-7.
  8. Cuthbert, Richard; et al. (2007). "NSAIDs and scavenging birds: potential impacts beyond Asia's critically endangered vultures". Biology Letters. The Royal Society. 3 (1): 90–93. doi:10.1098/rsbl.2006.0554. PMC 2373805. PMID 17443974. Retrieved 11 May 2011.
  9. Milius, Susan (4 February 2006). [tp://www.sciencenews.org/view/generic/id/7025/title/Bird-Safe_Rx_Alternative_drug_wont_kill_Indias_svultures "Bird-Safe Rx: Alternative drug won't kill India's vultures"]. ScienceNews. 169 (#5): 70. Retrieved 11 May 2011.
  10. 10.0 10.1 Loveridge, Robin. “Poisoning Causing the Decline in South-East Asia’s Largest Vulture Population.” , 8 Mar. 2019, https://www.cambridge.org/core/journals/bird-conservation-international/article/poisoning-causing-the-decline-in-southeast-asias-largest-vulture-population

External links[edit]

Template:Vulture