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Difference between revisions of "Chestnut-crowned Laughingthrush" - BirdForum Opus

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'''Alternative names: Red-headed Laughingthrush; Black-eared Laughingthrush (''nigrimentum''); Grey-eared Laughingthrush (''chrysopterus'' group)'''
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[[Image:Chestnut-crowned_Laughingthrush.jpg|thumb|550px|right|subspecies ''nigrimentum''<br />Photo by {{user|Yeshey+Dorji|Yeshey Dorji}}<br />Dodina, Thimphu, Western [[Bhutan]] September 2004]]
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'''Alternative names: Red-headed Laughingthrush; Black-eared Laughingthrush (''nigrimentum'')'''
 
;[[:Category:Garrulax|Garrulax]] erythrocephalus
 
;[[:Category:Garrulax|Garrulax]] erythrocephalus
'''Includes: Assam Laughingthrush; Silver-eared Laughingthruhs, Malayan Laughingthrush'''
 
[[Image:Chestnut-crowned_Laughingthrush.jpg|thumb|550px|right|Bird of the ''erythrocephalus'' group (subspecies ''nigrimentum'')<br />Photo by {{user|Yeshey+Dorji|Yeshey Dorji}}<br />Dodina, Thimphu, Western [[Bhutan]] September 2004]]
 
 
==Identification==
 
==Identification==
24 - 26cm. A medium-sized, very variable laughingthrush.
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24 - 26cm. A medium-sized, variable laughingthrush.
* ''Erythrocephalus'' group:
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* Brownish plumage
**Brownish plumage
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* Brilliant green-gold panels on winges and sides of tail
**Brilliant green-gold panels on winges and sides of tail
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* Heavy black spots on upper mantle and scales on breast
**Heavy black spots on upper mantle and scales on breast
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* Chestnut forehead and nape
**Chestnut forehead and nape
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* Blackish lores and throat
**Blackish lores and throat
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* Dark eye
**Dark eye
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* ''Nigrimentum'' with slate-grey crown and grey cheek
[[Image:Assam_Laughingthrush_by_James_Eaton.jpg|thumb|350px|right|Bird of the ''chrysopterus'' group <br />Photo by {{user|James_Eaton|James Eaton}}<br /> Nagaland, N.E. [[India]], April 2007]]
 
**''Nigrimentum'' with slate-grey crown and grey cheek
 
*''Chrysopterus'' group:
 
**Tail and wing pattern like erythrocephalus
 
**Greyish forehead
 
**Brown ear-coverts
 
**Dark chestnut throat
 
*''Melanostigma'' group
 
**Wing pattern like other groups but with black primary coverts
 
**Plumage greyish-olive
 
**Crown chestnut-orange
 
*''Peninsulae'' group
 
**Wing and tail pattern like ''melanostigma''
 
**Plumage chestnut-brown
 
**Grey ear-coverts and nape
 
**Rich chestnut crown
 
 
==Distribution==
 
==Distribution==
[[Image:Chestnut_crowned_laughing_thrush.jpg|thumb|350px|right|Bird of the ''melanostigma'' group (subspecies ''schistaceus'')<br />Photo by {{user|Auywat_J|Auywat J}},<br />Doi Inthanon, Chiang Mai, [[Thailand]]]]
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Found from the [[Himalayas]] of northern [[India]] east over [[Nepal]], [[Bhutan]], northeast [[India]] to [[Burma]] (see taxonomy). Extinct in [[Pakistan]].<br />
Found from the [[Himalayas]] of northern [[India]] east over [[Nepal]], [[Bhutan]], northeast [[India]] to [[Burma]] and the mountains of [[Indochina]] ([[Laos]], [[Thailand]], [[Vietnam]]) and adjacent southern [[China]] to the peninsular [[Malaysia]]. Extinct in [[Pakistan]].<br />
 
 
Common in part of its range.
 
Common in part of its range.
 
==Taxonomy==
 
==Taxonomy==
There is a proposal for splitting this species into four which so far has been followed only by IOC and Birdlife International; Opus is waiting for more authorities to agree before following suit. The four groups are:
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Clements accepts five subspecies:
[[Image:Malayan_Laughingthrush_by_Ingo.jpg|thumb|350px|right|Bird of the ''peninsulae'' group (subspecies ''peninsulae'')<br />Photo by {{user|Ingo|Ingo}}<br /> Fraser's Hill, [[Malaysia]], August 2006]]
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* ''G. e. erythrocephalus'' in the Himalayas of western [[India]]
* ''Garrulax e. erythrocephalus'' (Chestnut-crowned Laughingthrush)
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* ''G. e. kali'' in western and central [[Nepal]]
** Includes ''erythrocephalus'', ''nigrimentum'', ''imprudens'', ''kali'', and ''forresti'' (not all resources recognize ''imprudens'' and/or ''forresti'')
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* ''G. e. nigrimentum'' in Sikkim, [[Bhutan]] and southeast [[Tibet]]
* ''Garrulax e. chrysopterus'' (Assam Laughingthrush)
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* ''G. e. imprudens'' in northern and eastern northeast [[India]] (Arunachal Pradesh)
** Includes ''chrysopterus'', ''godwini'', ''erythrolaemus'', ''woodi'', (and according to some sources ''ailaoshanensis'')
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* ''G. e. woodi'' in northeast [[Burma]] and adjacent southwest Yunnan, [[China]] - sometimes placed in [[Assam Laughingthrush]]
* ''Garrulax e. melanostigma'' (Silver-eared Laughingthrush)
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Formerly included also [[Assam Laughingthrush]], [[Silver-eared Laughingthrush]] and [[Malayan Laughingthrush]].<br />
** Includes ''melanostigma'', ''ramsayi'', ''schistaceus'', ''connectens'', ''subconnectens''
 
* ''Garrulax e. peninsulae'' (Malayan Laughingthrush)
 
** Includes only ''peninsulae''
 
 
Also placed in the genus [[:Category:Trochalopteron|Trochalopteron]].
 
Also placed in the genus [[:Category:Trochalopteron|Trochalopteron]].
 
==Habitat==
 
==Habitat==
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Resident species with some altitudinal movement in the Himalayas.
 
Resident species with some altitudinal movement in the Himalayas.
 
==References==
 
==References==
#{{Ref-Clements6thDec08}}#Avibase#{{Ref-HBWVol12}}#{{Ref-RasmussenAnderton05}}
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#{{Ref-Clements6thDec10}}#Avibase#{{Ref-HBWVol12}}#{{Ref-RasmussenAnderton05}}
 
{{ref}}
 
{{ref}}
 
==External Links==
 
==External Links==

Revision as of 21:45, 13 March 2011

subspecies nigrimentum
Photo by Yeshey Dorji
Dodina, Thimphu, Western Bhutan September 2004

Alternative names: Red-headed Laughingthrush; Black-eared Laughingthrush (nigrimentum)

Garrulax erythrocephalus

Identification

24 - 26cm. A medium-sized, variable laughingthrush.

  • Brownish plumage
  • Brilliant green-gold panels on winges and sides of tail
  • Heavy black spots on upper mantle and scales on breast
  • Chestnut forehead and nape
  • Blackish lores and throat
  • Dark eye
  • Nigrimentum with slate-grey crown and grey cheek

Distribution

Found from the Himalayas of northern India east over Nepal, Bhutan, northeast India to Burma (see taxonomy). Extinct in Pakistan.
Common in part of its range.

Taxonomy

Clements accepts five subspecies:

  • G. e. erythrocephalus in the Himalayas of western India
  • G. e. kali in western and central Nepal
  • G. e. nigrimentum in Sikkim, Bhutan and southeast Tibet
  • G. e. imprudens in northern and eastern northeast India (Arunachal Pradesh)
  • G. e. woodi in northeast Burma and adjacent southwest Yunnan, China - sometimes placed in Assam Laughingthrush

Formerly included also Assam Laughingthrush, Silver-eared Laughingthrush and Malayan Laughingthrush.
Also placed in the genus Trochalopteron.

Habitat

Understorey and bamboo in broadleaf evergreen forest. Also in mixed forest, secondary growth and rhododendron scrub. Found at 1000m to 3400m.

Behaviour

Feeds on inscects, berries, seeds and other vegetable matter.
Forages on or close to the ground in pairs or small groups, sometimes together with other laughingthrushes.
Breeding season differs throughout range. The nest is a deep cup made of dead leaves, dry grasses, moss and other dead vegetation. It's placed in a small tree, bush, sapling or hanging lianas. Lays 1 - 4 eggs.
Resident species with some altitudinal movement in the Himalayas.

References

  1. Clements, JF. 2010. The Clements Checklist of Birds of the World. 6th ed., with updates to December 2010. Ithaca: Cornell Univ. Press. ISBN 978-0801445019. Spreadsheet available at http://www.birds.cornell.edu/clementschecklist/Clements%206.5.xls/view
  2. Avibase#Del Hoyo, J, A Elliott, and D Christie, eds. 2007. Handbook of the Birds of the World. Volume 12: Picathartes to Tits and Chickadees. Barcelona: Lynx Edicions. ISBN 978-8496553422
  3. Rasmussen, PC and JC Anderton. 2005. Birds of South Asia: The Ripley Guide. Barcelona: Lynx Edicions. ISBN 978-8487334672

Recommended Citation

External Links

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