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Hooded vulture, Necrosyrtes monachus

The Hooded Vulture (Necrosyrtes monachus) is an Old World vulture in the order Accipitriformes, which also includes eagles, kites, buzzards and hawks. It is the only member of the genus Necrosyrtes, which is sister to the larger Gyps genus, both of which are a part of the Aegypiinae subfamily of Old World vultures.

It is native to sub-Saharan Africa, where it has a widespread distribution with populations in southern, East and West Africa. It is a scruffy-looking, small vulture with dark brown plumage, a long thin bill, bare crown, face and fore-neck, and a downy nape and hind-neck. Its face is usually a light red colour. It typically scavenges on carcasses of wildlife and domestic animals. Although it remains a common species with a stable population in the lower region of Casamance, some areas of The Gambia, and Guinea-Bissau, other regions such as Dakar, Senegal, show more than 85% losses in population over the last 50 years.

Threats include poisoning, hunting, loss of habitat and collisions with electricity infrastructure, and the International Union for Conservation of Nature has rated its conservation status as "critically endangered" in their latest assessment (2017). The highest current regional density of Hooded Vultures is in the western region of The Gambia.

Distribution
Although Hooded Vultures have relatively small home ranges, they are widely distributed across Africa. It occurs in Senegal, Mauritania, Guinea-Bissau, The Gambia, Niger and Nigeria in West Africa; in East Africa it is found in Chad, Sudan, South Sudan, Ethiopia and Somalia; in southern Africa it has been recorded in northern Namibia, Botswana, Zimbabwe, Mozambique and South Africa.

Within South Africa, the species is essentially restricted to the Kruger National Park and surrounding protected areas in Mpumalanga and Limpopo provinces, though vagrants have been recorded further west in Kwa-Zulu Natal and Kgalagadi Transfrontier Park.

Hooded vulture, Necrosyrtes monachus

Hooded vulture, Necrosyrtes monachus
Range map from www.oiseaux.net - Ornithological Portal Oiseaux.net
www.oiseaux.net is one of those MUST visit pages if you're in to bird watching. You can find just about everything there


Etymology
The common name "Hooded Vulture" stems from the fact that the vulture has a small patch of downy feathers that runs along the back of its neck to the crown of its head, making it look like it is wearing a fluffy, cream-colored hood. The scientific name, Necrosyrtes monachus, can be broken down into 3 sections: "necro", since it feeds on carrion; "syrtes" which means "quicksand" or "bog" and "monachus" which is Latin for "monk" and relates to the hood of the vulture

Description

Appearance
The Hooded Vulture is a typical vulture, with a head that is usually pinkish-white, but flushes red when agitated, and a grey to black "hood". It has fairly uniform dark brown body plumage. It has broad wings for soaring and short tail feathers. This is one of the smaller Old World vultures. They are 62–72 cm long, have a wingspan of 155–180 cm and a body weight of 1.5–2.6 kg.

Both sexes are alike in appearance, although females often have longer eyelashes than males. Juveniles look like adults, only darker and plainer, and body feathers have a purplish sheen.

Length: 62 - 72 cm
Wingspan: 155 - 180 cm
Weight: 1500 - 2600 g
Longevity: 18 Years
Distinctive Feature
Similar Species


From opus at www.birdforum.net the forum for wild birds and birding.




Voice Usually silent, but gives a shrill, sibilant whistle during copulation, and thin squealing calls both at nests and carcasses.

Listen to the Hooded vulture

www.xeno-canto.org

Remarks from the Recordist

Weird barking calls from one of a group of this species on the ground in a small dump.



Nesting, breeding and behaviour It breeds in a stick nest in trees (often palms) in much of Africa south of the Sahara, laying one egg. Birds may form loose colonies. The population is mostly resident and sedentary, rarely moving more than 200 km

Ecology
Like other vultures Hooded Vultures are scavengers, feeding mostly from carcasses of dead animals and waste which they find by soaring over savanna and around human habitation, including waste tips and abattoirs. They do however also feed on insects, and conglomerate in large numbers during insect emergences, for example termite emergences where they associate with Steppe Eagles.

Hooded vulture, Necrosyrtes monachus
Feeding on offal
Bishoftu, Ethiopia - November 2019

Hooded vulture, Necrosyrtes monachus
Feeding on offal
Bishoftu, Ethiopia - November 2019


They are non-specialised, highly versatile scavengers and are commensal with humans in West Africa. They often move in flocks (50-250 individuals) in West Africa, especially when foraging at abattoirs or elephant carcasses, while in southern Africa they are solitary and secretive, making them hard to spot when nesting. They are known to follow scavenging African wild dogs and hyaenas.

This vulture is typically unafraid of humans, and frequently gathers around habitation. It is sometimes referred to as the “garbage collector” by locals.

In Ghanaian universities, a significantly higher number of Hooded Vultures exist in the residential parts of the campus relative to the non-residential parts, and densities are correlated with the academic calendar, with numbers of individuals increasing during school terms. 45% of students at these campuses are defecated on by Hooded Vultures at least once a month, according to interviews.

Southern African Hooded Vulture populations have smaller home ranges than most other Old World vulture species for which data exists, though less is known about home ranges of East and West African populations. They are most active during the day, and their ranges are smaller in the dry breeding season, when their movement is constrained by a nest site location to which they must return regularly to incubate their eggs and provision their fledglings.

In both the northern and southern hemisphere populations, breeding takes place in the dry summer season.

They prefer to build nests in well-foliaged trees along watercourses, with the nest placed a prominent fork within the tree canopy at an average height of over 15m. They have however also been observed in a variety of biomes, some where tall trees are rare. They have been recorded in open grasslands, deserts, wooded savanna, forest edges and along coasts. They tend to occur in higher densities where populations of larger Gyps vultures are low or nonexistent . It occurs up to 4,000 m, but is most numerous below 1,800 m.

Hooded vulture, Necrosyrtes monachus
Egg
By Didier Descouens - Own work, CC BY-SA 4.0,
https://commons.wikimedia.org/w/index.php?curid=16432210

Hooded vultures lay a clutch of one egg, and the incubation period lasts 46-54 days, followed by a fledging period of 80-130 days. Young are dependent on their parents for a further 3-4 months after fledging. Measurements of nesting success at the Olifants River Private Nature Reserve, South Africa showed success of 0.44-0.89 offspring per pair per year in 2013 and 0.50-0.67 offspring per pair per year in 2014.

Population trends
While the populations in Gambia are relatively stable, it is declining almost everywhere else in its range at an average rate of 83% (range 64-93%) over 53 years (3 generations). Its total population is estimated at a maximum of 197 000 individuals. Some declines have been reported to have occurred in only 20 years, almost approaching the speed and extent of the Asian vulture crisis of the 1990s. The highest regional density of Hooded Vultures is in western Gambia.

Status and threats
The species has been uplisted from its previous IUCN status of endangered to critically endangered, since the species is going through a very steep decline in population, owing to various factors including poisoning, hunting, habitat loss and degradation of habitat. Hunting is the most well-known threat to the species, however, poisoning has been shown to have the highest impact on the population.

Poisoning of the species has been both unintentional and intentional, with unintentional poisoning being caused through the poisoning of other animals which the species feeds on. Hunting on the other hand is caused by vultures being used by people in traditional medicine and cultural beliefs and as a food source, particularly in West and southern Africa.

Researchers interviewed vendors in street markets in northern Nigeria who were selling parts or entire carcasses of Hooded Vultures as well as other African vulture species (though Hooded Vultures made up 90% of vultures on sale). They found that 40% of traders were selling the vultures for spiritual healing and 25% for human consumption.

Many West and southern African cultures believe vulture body parts cure a range of physical and mental illnesses, improve success in gambling and business ventures, or increase intelligence in children. Consumption of vultures as bushmeat in Nigeria and Ivory Coast may be of regional concern, but smoked vulture meat is traded and consumed internationally. Secondary poisoning with carbofuran pesticides at livestock baits being used to poison mammalian predators is also an issue in East Africa.

On the 20th of June 2019, the carcasses of 468 White-backed Vultures, 17 White-headed Vultures, 28 Hooded Vultures, 14 Lappet-faced Vultures and 10 cape vultures), altogether 537 vultures, besides 2 tawny eagles, were found in northern Botswana. It is suspected that they died after eating the carcasses of 3 elephants that were poisoned by poachers, possibly to avoid detection by the birds, which help rangers to track poaching activity by circling above where there are dead animals.

The species may also be threatened by avian influenza (H5N1), from which it appears to suffer some mortality and which it probably acquires from feeding on discarded dead poultry. Another suggested cause of decline is the decline in the number of trees preferred by Hooded Vultures for nesting, such as Ceiba pentandra in Senegal.

Conservation action
Raptors are protected in many West African and Northeastern countries and in South Africa under the United Nations Convention on the Conservation of Migratory Species of Wild Animals (CMS), in the Memorandum of Understanding on the Conservation of Migratory Birds of Prey in Africa and Eurasia (the ‘Raptors MoU’). This plan includes the Hooded vulture.

Systematic monitoring and protection schemes for African raptors, including the Hooded Vulture, exist and some populations occur within protected areas. It has been suggested that the best way to slow the decline of vulture populations in Africa, and avoid a massive decline on the scale of the Asian vulture crisis of the 1990s in which populations declined 95% because of the veterinary drug Diclofenac used in livestock whose carcasses were fed on by vultures, pesticides and poisons need to be regulated and limited by governments in countries where the Hooded Vulture occurs

Hooded vulture, Necrosyrtes monachus
Feeding on offal
Bishoftu, Ethiopia - November 2019

Hooded vulture, Necrosyrtes monachus
Feeding on offal
Bishoftu, Ethiopia - November 2019


Conservation status
Hooded vulture, Necrosyrtes monachus
International Union for Conservation of Nature. Retrieved 26 November 2013.



From Wikipedia, the free encyclopedia
From Wikipedia, the free encyclopedia

www.birdforum.net


Sighted: (Date of first photo that I could use) 19th of November 2014
Location: Xakanaxa, Botswana


Hooded vulture, Necrosyrtes monachus
Hooded vulture - 19 November 2014 - Xakanaxa, Botswana

Hooded vulture, Necrosyrtes monachus
Hooded vulture - 19 November 2014 - Xakanaxa, Botswana

Hooded Vulture, Necrosyrtes monachus
Hooded Vulture - 28 October 2019 - Shashamane, Ethiopia

Hooded Vulture, Necrosyrtes monachus
Hooded Vulture - 28 October 2019 - Shashamane, Ethiopia

Hooded Vulture, Necrosyrtes monachus
Hooded Vulture - 28 October 2019 - Shashamane, Ethiopia

Hooded Vulture, Necrosyrtes monachus
Hooded Vulture - 28 October 2019 - Shashamane, Ethiopia

Hooded Vulture, Necrosyrtes monachus
Hooded Vulture - 28 October 2019 - Shashamane, Ethiopia

Hooded Vulture, Necrosyrtes monachus
Hooded Vulture - 29 October 2019 - Wendo Genet Wabe Shebelle Resort Hotel, Ethiopia

Hooded Vulture, Necrosyrtes monachus
Hooded Vulture - 11 November 2019 - Bishoftu, Ethiopia

Hooded Vulture, Necrosyrtes monachus
Hooded Vulture - 11 November 2019 - Bishoftu, Ethiopia



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