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Carrion Crow

From Opus

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====Status of Hooded Crow ''corvix'' complex==== ====Status of Hooded Crow ''corvix'' complex====
Clements (2007) treats Hooded Crow (''C. (corone?) cornix'', including ''sharpii'', ''pallescens'', and ''capellanus'') as a full species, citing the recommendation of Parkin et al. (2003)<sup>[[#References|2]]</sup>. However, Howard & Moore (2003) and Sibley & Monroe (1996) retain the Hooded Crow ''cornix'' complex within Carrion Crow (''C. corone'') and the Opus awaits further clarification. See BirdForum threads discussing this taxonomic discrepancy [http://www.birdforum.net/showthread.php?t=102015 here] and [http://birdforum.net/showthread.php?t=119618 here]. Clements (2007) treats Hooded Crow (''C. (corone?) cornix'', including ''sharpii'', ''pallescens'', and ''capellanus'') as a full species, citing the recommendation of Parkin et al. (2003)<sup>[[#References|2]]</sup>. However, Howard & Moore (2003) and Sibley & Monroe (1996) retain the Hooded Crow ''cornix'' complex within Carrion Crow (''C. corone'') and the Opus awaits further clarification. See BirdForum threads discussing this taxonomic discrepancy [http://www.birdforum.net/showthread.php?t=102015 here] and [http://birdforum.net/showthread.php?t=119618 here].
 +[[Image:PAL8074CARRIONCROW.jpg|thumb|350px|right|Carrion Crow in flight<br />Photo by {{user|I4ani|I4ani}}<br />Dartmoor, Devon, [[UK]], 2010]]
==Habitat== ==Habitat==
Found almost anywhere from coast to moorland, even city centres. <sup>[[#References|3]]</sup> Found almost anywhere from coast to moorland, even city centres. <sup>[[#References|3]]</sup>
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====Breeding==== ====Breeding====
Breeding season generally in northern spring. A pair stays often together over several years and throughout the year. Usually a solitary nester. The large nest is built by both sexes and is made out of sticks. It's usually placed high in a tall tree. Nests on buildings, electricity pylons or cliffs are also known. Lays 4 eggs. The chicks leave the nest after 32 days. In some parts of the range [[Great Spotted Cuckoo]] may parasitize the nest. Breeding season generally in northern spring. A pair stays often together over several years and throughout the year. Usually a solitary nester. The large nest is built by both sexes and is made out of sticks. It's usually placed high in a tall tree. Nests on buildings, electricity pylons or cliffs are also known. Lays 4 eggs. The chicks leave the nest after 32 days. In some parts of the range [[Great Spotted Cuckoo]] may parasitize the nest.
 +[[Image:IMG 9834.jpg|thumb|350px|right|Hooded Crow in flight<br />Photo by {{user|Macswede|Macswede}}<br />Solberga, Stockholm, [[Sweden]], April 2009]]
====Vocalisation==== ====Vocalisation====
<flashmp3>Corvus corone (song).mp3</flashmp3><br /> <flashmp3>Corvus corone (song).mp3</flashmp3><br />

Revision as of 17:02, 9 March 2010

Photo by RichUK
Photo by RichUK

Alternative names: Common Crow; Eurasian Crow; Oriental Crow (orientalis); Mesopotamian Crow (capellanus)

Corvus corone

Includes Hooded Crow

Contents

Identification

48-52cm. All black with a green or purple sheen, black bill, legs and feet, stout bill.

Distribution

Most of western Europe to the most eastern points of northern Asia.

Hooded Crow Photo by Donald TalbottKeszthely, Lake Balaton, Hungary, May 2009
Hooded Crow
Photo by Donald Talbott
Keszthely, Lake Balaton, Hungary, May 2009

Taxonomy

Subspecies1

Hooded Crow corvix complex:

Status of Hooded Crow corvix complex

Clements (2007) treats Hooded Crow (C. (corone?) cornix, including sharpii, pallescens, and capellanus) as a full species, citing the recommendation of Parkin et al. (2003)2. However, Howard & Moore (2003) and Sibley & Monroe (1996) retain the Hooded Crow cornix complex within Carrion Crow (C. corone) and the Opus awaits further clarification. See BirdForum threads discussing this taxonomic discrepancy here and here.

Carrion Crow in flightPhoto by I4aniDartmoor, Devon, UK, 2010
Carrion Crow in flight
Photo by I4ani
Dartmoor, Devon, UK, 2010

Habitat

Found almost anywhere from coast to moorland, even city centres. 3

Behaviour

Ingenious adaption to all urban environments and intelligent. Can be observed sitting atop of trafficlights and dropping hardcased nuts onto the streets below so to make use of the crushing effects of traffic; and will retrieve the contents at a 'red' signal.

Diet

The diet includes carrion, insects, worms, seeds, fruit and scraps.

Breeding

Breeding season generally in northern spring. A pair stays often together over several years and throughout the year. Usually a solitary nester. The large nest is built by both sexes and is made out of sticks. It's usually placed high in a tall tree. Nests on buildings, electricity pylons or cliffs are also known. Lays 4 eggs. The chicks leave the nest after 32 days. In some parts of the range Great Spotted Cuckoo may parasitize the nest.

Hooded Crow in flightPhoto by MacswedeSolberga, Stockholm, Sweden, April 2009
Hooded Crow in flight
Photo by Macswede
Solberga, Stockholm, Sweden, April 2009

Vocalisation


Listen in an external program

References

  1. Clements, James F. 2007. The Clements Checklist of Birds of the World. 6th ed., with updates to October 2007. Ithaca: Cornell University Press. ISBN 9780801445019
  2. Parkin, D.T., M. Collison, A. Helbig, A.G. Knox, and G. Sangster. 2003. "The taxonomic status of Carrion and Hooded Crows." British Birds. 96 (6): 274–90.
  3. RSPB
  4. Del Hoyo, J, A Elliott, and D Christie, eds. 2009. Handbook of the Birds of the World. Volume 14: Bush-shrikes to Old World Sparrows. Barcelona: Lynx Edicions. ISBN 978-8496553507

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