White Necked Raven

Information about White Necked Raven

For the bird formerly known as the American White-necked Raven, see Chihuahuan Raven.

White-necked Raven

Kingdom:	Animalia
Phylum:	Chordata
Class:	Aves
Order:	Passeriformes
Family:	Corvidae
Genus:	Corvus
Species:	*C. albicollis*

Binomial name

Corvus albicollis
Latham, 1790

The White-necked Raven, Corvus albicollis, is somewhat smaller (50-54 cm in length) than the Common Raven or indeed its nearest relative, the Thick-billed Raven C. crassirostris. It has a much shorter tail and a deeper bill with a white tip that is strongly arched (almost as much as the Thick-billed Raven). Though predominantly black, the throat, breast and neck are a blackish-brown in colour, with a faint purple gloss. There is a large patch of white feathers on the back of the lower neck.

Distribution map

It occurs in eastern and southern Africa in open, mountainous country. It is quite commonly found in small towns and villages as long as there are mountains or hills for roosting and nesting relatively near by.

Most of this birds food is obtained from the ground, but it will take food from trees also. It has been seen to drop tortoises from a height onto hard ground, preferably onto rocks, and then swoop down to eat it, or even pick it up again if not sufficiently broken. Eagles will also readily take carrion from road kills. Fruit, grain, insects, small reptiles, peanuts and human food are also readily taken and if not persecuted, will forage in back yards and gardens quite openly.

Nests are mainly on a cliff ledge but will occasionally nest in a tree. There are usually 3-5 eggs laid.

Often described as a raven with a sore throat, it has very similar calls to the Common Raven, but with a more husky note. It has a croak like the raven but with a more whispering note added.

Photo Image Links

Video links

White-necked Raven videos on the Internet Bird Collection

References

BirdLife International (2004). Corvus albicollis. 2006 IUCN Red List of Threatened Species. IUCN 2006. Retrieved on 12 May 2006. Database entry includes justification for why this species is of least concern

C. cryptoleucus

Binomial name
Corvus cryptoleucus
Couch, 1854

The Chihuahuan Raven (Corvus cryptoleucus
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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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Least Concern (LC) is an IUCN category assigned to extant species or lower taxa which have been evaluated but do not qualify for any other category. As such they do not qualify as threatened, nor Near Threatened, nor (prior to 2001) Conservation Dependent.
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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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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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Passeriformes
Linnaeus, 1758

Suborders

Acanthisitti
Tyranni
Passeri

A passerine is a bird of the giant order Passeriformes. More than half of all species of bird are passerines.
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Corvidae
Vigors, 1825

Genera

many, see article text

Corvidae is a family of oscine passerine birds that contains the crows, ravens, rooks, jackdaws, jays, magpies, treepies and nutcrackers (Clayton and Emery 2005, [1] ).
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Corvus
Linnaeus, 1758

Species

See text.
The true crows are large passerine birds that comprise the genus Corvus. Ranging in size from the relatively small pigeon-sized jackdaws (Eurasian and Daurian) to the Common Raven of the
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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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John Latham (June 27, 1740 - February 4, 1837) was an English physician, naturalist and author.

Latham has been called the "grandfather" of Australian ornithology. He was able to examine specimens of Australian birds which reached England in the last twenty years of the 18th
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C. corax

Binomial name
Corvus corax
Linnaeus, 1758

Common Raven range

Subspecies

C. c. corax
C. c. varius
C. c.

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C. crassirostris

Binomial name
Corvus crassirostris
Rüppell, 1836

The Thick-billed Raven (Corvus crassirostris
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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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Testudinidae

Genera

Chersina
Cylindraspis (extinct)
Dipsochelys
Geochelone
Gopherus
Homopus
Indotestudo
Kinixys
Malacochersus
Manouria

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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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