Red-headed Vulture
Sarcogyps calvus
A dark, medium-sized vulture with a bare reddish head and loose flaps on the side of the neck. Juvenile is browner with scruffy, pale feathers on the head. In flight, the species has narrow wings and appears dark overall with contrasting white patches on the flanks and a white line running through the wing. Inhabits dry forests and adjacent areas. Shy and solitary compared to other vultures in the region.
Identification
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). 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.<p>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
Taxonomy
This is a species of Old World vulture found in the Indian subcontinent. It has no subspecies.
- Scientific name
- Sarcogyps calvus
- Authority
- (Scopoli, 1786)
- Order
- Accipitriformes
- Family
- Accipitridae
- Genus
- Sarcogyps
Range and habitat
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.
- Migration
- Resident species
Conservation
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.<p>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.<p>The red-headed vulture has become increasingly difficult to find due to hunting. In places like Cambodia, special programs have been implemented to support critically endangered vulture species. Evidence has shown that hunters have started using poisons in their hunting practices. Population analysis indicates 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 have also begun to decline since 2013.<p>In an assessment made in 2021 assessed there are 2500-9999 mature individuals in the wild.
- Population trend
- declining
Photos
Distribution
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