Information about Trigonoceps
| White-headed Vulture | ||||||||||||||
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| Trigonoceps occipitalis (Burchell, 1824) | ||||||||||||||
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The White-headed Vulture (Trigonoceps occipitalis) is an Old World vulture endemic to Africa. It has a pink beak, a white crest on its head and the featherless areas on its head are pale. Its has dark brown upper parts and a black tail. Feathers on its lower parts and legs are white. It has a wing span of 2 meters and spends a lot of time soaring looking for food. It roosts in tall trees near to water at night. This is a medium-sized vulture with an average length of 80 cm. Females weigh more than males, they usually weigh around 4.7 kg, while males somewhat under 4 kg.
Rarer than previously believed, it is uplisted from a species of Least Concern to Vulnerable status in the 2007 IUCN Red List.[1]
Footnotes
References
- BirdLife International (2004). Trigonoceps occipitalis. 2006 IUCN Red List of Threatened Species. IUCN 2006. Retrieved on 27 August 2007.
- BirdLife International (2007a): [ 2006-2007 Red List status changes ]. Retrieved 2007-AUG-26.
- BirdLife International (2007b): White-headed Vulture - BirdLife Species Factsheet. Retrieved 2007-MAY-21.
External links
conservation status of a species is an indicator of the likelihood of that species continuing to survive either in the present day or the future. Many factors are taken into account when assessing the conservation status of a species: not simply the number remaining, but the
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vulnerable species is a species which is likely to become endangered unless the circumstances threatening its survival and reproduction improve. The following is a very small, non-representative fraction of the 8565 species listed as vulnerable on the IUCN Red List.
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IUCN Red List of Threatened Species (also known as the IUCN Red List or Red Data List), created in 1963, is the world's most comprehensive inventory of the global conservation status of plant and animal species.
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Scientific classification or biological classification is a method by which biologists group and categorize species of organisms. Scientific classification also can be called scientific taxonomy, but should be distinguished from folk taxonomy, which lacks scientific basis.
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Chordata
Bateson, 1885
Typical Classes
See below
Chordates (phylum Chordata) are a group of animals that includes the vertebrates, together with several closely related invertebrates.
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Bateson, 1885
Typical Classes
See below
Chordates (phylum Chordata) are a group of animals that includes the vertebrates, together with several closely related invertebrates.
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Aves
Linnaeus, 1758
Orders
About two dozen - see section below
Birds (class Aves) are bipedal, warm-blooded, egg-laying vertebrate animals.
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Linnaeus, 1758
Orders
About two dozen - see section below
Birds (class Aves) are bipedal, warm-blooded, egg-laying vertebrate animals.
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Accipitriformes
Families
Accipitridae
Pandionidae
Sagittariidae
Cathartidae
In a common but inaccurate way in which the raptors are classified, the order Accipitriformes
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Families
Accipitridae
Pandionidae
Sagittariidae
Cathartidae
In a common but inaccurate way in which the raptors are classified, the order Accipitriformes
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Accipitridae
Vieillot, 1816
Subfamilies
The Accipitridae
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Vieillot, 1816
Subfamilies
- Accipitrinae
- Aegypiinae
- Buteoninae
- Circaetinae
- Circinae
- Elaninae
- Milvinae
- Perninae
The Accipitridae
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René Primevère Lesson (March 20, 1794 - April 28, 1849) was a French surgeon and naturalist.
Lesson was born at Rochefort, and at the age of sixteen he entered the Naval Medical School there.
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Lesson was born at Rochefort, and at the age of sixteen he entered the Naval Medical School there.
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18th century - 19th century - 20th century
1810s 1820s 1830s - 1840s - 1850s 1860s 1870s
1839 1840 1841 - 1842 - 1843 1844 1845
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Subjects: Archaeology - Architecture -
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1810s 1820s 1830s - 1840s - 1850s 1860s 1870s
1839 1840 1841 - 1842 - 1843 1844 1845
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Subjects: Archaeology - Architecture -
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binomial nomenclature is the formal system of naming species. The system is also called binominal nomenclature (particularly in zoological circles), binary nomenclature (particularly in botanical circles), or the binomial classification system.
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William John Burchell (23 July, 1781 Fulham, London - 23 March, 1863 Fulham) was an English explorer, naturalist, traveller, artist and author. He was the son of Matthew Burchell, botanist and owner of Fulham Nursery.
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18th century - 19th century - 20th century
1790s 1800s 1810s - 1820s - 1830s 1840s 1850s
1821 1822 1823 - 1824 - 1825 1826 1827
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Subjects: Archaeology - Architecture -
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1790s 1800s 1810s - 1820s - 1830s 1840s 1850s
1821 1822 1823 - 1824 - 1825 1826 1827
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Subjects: Archaeology - Architecture -
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Aegypiinae
Genera
See text.
Old World vultures belong to the family Accipitridae, which also includes eagles, buzzards, kites, and hawks.
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Genera
See text.
Old World vultures belong to the family Accipitridae, which also includes eagles, buzzards, kites, and hawks.
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Africa is the world's second-largest and second most-populous continent, after Asia. At about 30,221,532 km² (11,668,545 sq mi) including adjacent islands, it covers 6% of the Earth's total surface area, and 20.4% of the total land area.
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IUCN Red List of Threatened Species (also known as the IUCN Red List or Red Data List), created in 1963, is the world's most comprehensive inventory of the global conservation status of plant and animal species.
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IUCN Red List of Threatened Species (also known as the IUCN Red List or Red Data List), created in 1963, is the world's most comprehensive inventory of the global conservation status of plant and animal species.
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IUCN
International Organization
Founded October 1948, Fontainebleau, France
Headquarters Rue Mauverney 28, 1196 Gland, Switzerland
Key people Mr Valli Moosa
Ms Julia Marton-Lefèvre
Industry Natural resource conservation
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International Organization
Founded October 1948, Fontainebleau, France
Headquarters Rue Mauverney 28, 1196 Gland, Switzerland
Key people Mr Valli Moosa
Ms Julia Marton-Lefèvre
Industry Natural resource conservation
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