Bearded Vulture
A species of Bearded vulture, Also known as Lammergeyer Scientific name : Gypaetus barbatus Genus : Bearded vulture
Bearded Vulture, A species of Bearded vulture
Also known as:
Lammergeyer
Botanical name: Gypaetus barbatus
Genus: Bearded vulture
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Photo By Francesco Veronesi , used under CC-BY-SA-2.0 /Cropped and compressed from original
Description
This bird is 94–125 cm (37–49 in) long with a wingspan of 2.31–2.83 m (7.6–9.3 ft). It weighs 4.5–7.8 kg (9.9–17.2 lb), with the nominate race averaging 6.21 kg (13.7 lb) and G. b. meridionalis of Africa averaging 5.7 kg (13 lb). In Eurasia, vultures found around the Himalayas tend to be slightly larger than those from other mountain ranges. Females are slightly larger than males. It is essentially unmistakable with other vultures or indeed other birds in flight due to its long, narrow wings, with the wing chord measuring 71.5–91 cm (28.1–35.8 in), and long, wedge-shaped tail, which measures 42.7–52 cm (16.8–20.5 in) in length. The tail is longer than the width of the wing. The tarsus is relatively small for the bird's size, at 8.8–10 cm (3.5–3.9 in). The proportions of the species have been compared to a falcon, scaled to an enormous size. Unlike most vultures, the bearded vulture does not have a bald head. This species is relatively small headed, although its neck is powerful and thick. It has a generally elongated, slender shape, sometimes appearing bulkier due to the often hunched back of these birds. The gait on the ground is waddling and the feet are large and powerful. The adult is mostly dark gray, rusty and whitish in color. It is grey-blue to grey-black above. The creamy-coloured forehead contrasts against a black band across the eyes and lores and bristles under the chin, which form a black beard that give the species its English name. Bearded vultures are variably orange or rust of plumage on their head, breast and leg feathers but this is actually cosmetic. This colouration may come from dust-bathing, rubbing mud on its body or from drinking in mineral-rich waters. The tail feathers and wings are gray. The juvenile bird is dark black-brown over most of the body, with a buff-brown breast and takes five years to reach full maturity. The bearded vulture is silent, apart from shrill whistles in their breeding displays and a falcon-like cheek-acheek call made around the nest.
Size
1.2 m
Colors
Black
Orange
Life Expectancy
40 years
Nest Placement
Cliff
Feeding Habits
Bearded Vulture primarily scavenges, consuming mostly mammal remains (93%), favoring medium-sized ungulates, and avoiding larger carcasses. Uniquely specializing in marrow (85-90% of diet), bearded Vulture ingests bones, even as large as lamb’s femurs, and employs aerial drops to crack open large bones. This technique also applies to live prey, such as tortoises. Bearded Vulture is distinguished by direct bone transportation to its nest for feeding offspring.
Habitat
Bearded Vulture is typically found in high-altitude mountainous regions, where it favors areas rich in cliffs, crags, and gorges. This species thrives above the tree line, often residing at elevations ranging from 1,000 to 7,500 meters. Habitats with steep slopes, alpine pastures, montane grassland, and sparse vegetation are preferred, supporting flight patterns that utilize thermals and winds. Although bearded Vulture occasionally descends to lower altitudes, it is generally associated with less populated and rugged terrain, requiring vast open spaces for optimal foraging and gliding.
Dite type
Scavenger
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General Info
Feeding Habits
Bird food type
Distribution Area
The lammergeier is sparsely distributed across a vast, considerable range. It occurs in mountainous regions in the Pyrenees, the Alps, the Arabian Peninsula, the Caucasus region, the Zagros Mountains, the Alborz, the Koh-i-Baba in Bamyan, Afghanistan, the Altai Mountains, the Himalayas, Ladakh in northern India, western and central China. In Africa, it is found in the Atlas Mountains, the Ethiopian Highlands and south from Sudan to northeastern Democratic Republic of the Congo, central Kenya and northern Tanzania. An isolated population inhabits the Drakensberg of South Africa. In Israel it has been extirpated as a breeder since 1981, but young birds have been reported in 2000, 2004 and 2016. This species is almost entirely associated with mountains and inselbergs with plentiful cliffs, crags, precipices, canyons and gorges. They are often found near alpine pastures and meadows, montane grassland and heath, steep-sided, rocky wadis, high steppe and are occasional around forests. They seem to prefer desolate, lightly-populated areas where predators who provide many bones, such as wolves and golden eagles, have healthy populations. In Ethiopia, they are now common at refuse tips on the outskirts of small villages and towns. Although they occasionally descend to 300–600 m (980–1,970 ft), bearded vultures are rare below an elevation of 1,000 m (3,300 ft) and normally reside above 2,000 m (6,600 ft) in some parts of their range. They are typically found around or above the tree line which are often near the tops of the mountains, at up to 2,000 m (6,600 ft) in Europe, 4,500 m (14,800 ft) in Africa and 5,000 m (16,000 ft) in central Asia. In southern Armenia they have been found to breed below 1,000 m (3,300 ft) if cliff availability permits. They even have been observed living at altitudes of 7,500 m (24,600 ft) on Mount Everest and been observed flying at a height of 24,000 ft (7,300 m). During 1970s and 1980s the population of the bearded vulture in southern Africa declined however their distribution remained constant. The bearded vulture population occupies the highlands of Lesotho, Free State, Eastern Cape and Maloti-Drakensberg mountains in KwaZulu-Natal. Adult bearded vultures utilise areas with higher altitudes, with steep slopes and sharp points and within areas that are situated closer to their nesting sites. Adult bearded vultures are more likely to fly below 200 m over Lesotho. Along the Drakensberg Escarpment from the area of Golden Gate Highlands National Park south into the northern part of the Eastern Cape there was the greatest densities of bearded vultures. Abundance of bearded vultures is shown for eight regions within the species' range in southern Africa. The total population of bearded vultures in southern Africa is calculated as being 408 adult birds and 224 young birds of all age classes therefore giving an estimate of about 632 birds. Though a rare visitor, bearded vultures occasionally travel to parts of the United Kingdom, with the first confirmed sighting taking place in 2016 in Wales and the Westcountry. A series of sightings took place in 2020, when an individual bird was sighted separately over the Channel Island of Alderney after migrating north through France, then in the Peak District, Derbyshire, Cambridgeshire and Lincolnshire. The bird, nicknamed 'Vigo' by Tim Birch of the Derbyshire Wildlife Trust, is believed to have originated from the reintroduced population in the Alps.
Species Status
The bearded vulture is one of the most endangered European bird species as over the last century its abundance and breeding range have drastically declined. It naturally occurs at low densities, with anywhere from a dozen to 500 pairs now being found in each mountain range in Eurasia where the species breeds. The species is most common in Ethiopia, where an estimated 1,400 to 2,200 are believed to breed. Relatively large, healthy numbers seem to occur in some parts of the Himalayas as well. It was largely wiped out in Europe, and by the beginning of the 20th century the only substantial population was in the Spanish and French Pyrenees. Since then, it has been successfully reintroduced to the Swiss and Italian Alps, from where they have spread over into France. They have also declined somewhat in parts of Asia and Africa, though less severely than in Europe. Many raptor species were shielded from anthropogenic influences in previously underdeveloped areas therefore they are greatly impacted as the human population rises and infrastructure increases in underdeveloped areas. The increase in human population and infrastructure results in the declines of the bearded vulture populations today. The increase of infrastructure includes the building of houses, roads and power lines and a major issue with infrastructure and bird species populations is the collision with power lines. The declines of the bearded vulture populations have been documented throughout their range resulting from a decrease in habitat space, fatal collisions with energy infrastructure, reduced food availability, poisons left out for carnivores and direct persecution in the form of Trophy Hunting. This species is currently listed as Near Threatened by the IUCN Red List last accessed on 1 October 2016, the population continues to decline as the distribution ranges of this species continues to decline due to human development.
Photo By Francesco Veronesi , used under CC-BY-SA-2.0 /Cropped and compressed from original