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| status = LC
| status = LC
| status_system = IUCN3.1
| status_system = IUCN3.1
| status_ref = <ref name=IUCN>{{cite iucn|url=https://www.iucnredlist.org/details/22715653/0 |title=''Garrulax delesserti'' |author=BirdLife International |author-link=BirdLife International |year=2012 |access-date=26 November 2013|ref=harv}}</ref>
| status_ref = <ref name=IUCN>{{cite iucn|url=https://www.iucnredlist.org/details/22715653/0 |title=''Garrulax delesserti'' |author=BirdLife International |author-link=BirdLife International |year=2012 |access-date=26 November 2013}}</ref>
| taxon = Pterorhinus delesserti
| taxon = Pterorhinus delesserti
| authority = ([[Thomas C. Jerdon|Jerdon]], 1839)
| authority = ([[Thomas C. Jerdon|Jerdon]], 1839)
| synonyms = ''Dryonastes delesserti''<br/>''Ianthocincla delesserti''<br/>''Garrulax delesserti''
| synonyms =
* ''Dryonastes delesserti''
* ''Ianthocincla delesserti''
* ''Garrulax delesserti''
}}
}}


The '''Wayanad laughingthrush''' (''Pterorhinus delesserti'') is a species of [[laughingthrush]] in the family [[Leiothrichidae]]. It is [[Endemism|endemic]] to the [[Western Ghats]] south of Goa in [[India]]. These laughingthrushes move in groups in dense forests, producing loud calls but tend to be hard to spot in the undergrowth. They have brown upperparts, a white throat, a broad black mask through the eye and a heavy bill with pale yellow on the lower mandible. Despite the name, derived from the [[Wayanad]] region, this species has a wider range than the four other south Indian species of laughingthrush that are restricted to the higher elevation hills.
The '''Wayanad laughingthrush''' ('''''Pterorhinus delesserti''''') is a species of [[laughingthrush]] in the family [[Leiothrichidae]]. It is [[Endemism|endemic]] to the [[Western Ghats]] south of [[Goa]] in India. These laughingthrushes move in groups in dense forests, producing loud calls but tend to be hard to spot in the undergrowth. They have brown upperparts, a white throat, a broad black mask through the eye and a heavy bill with pale yellow on the lower mandible. Despite the name, derived from the [[Wayanad]] region, this species has a wider range than the four other south Indian species of laughingthrush that are restricted to the higher elevation hills.


==Taxonomy==
==Taxonomy==
The Wayanad laughingthrush was described by the British physician and naturalist [[Thomas C. Jerdon|Thomas Jerdon]] in 1839 and given the [[binomial name]] ''Crateropus delesserti''. The [[specific epithet]] was chosen to honour the French naturalist [[Adolphe Delessert]] who had collected specimens from near [[Kotagiri]] in the state of [[Tamil Nadu]], India.<ref>{{ cite journal | last=Jerdon | first=Thomas C. | author-link=Thomas C. Jerdon | year=1839 | title=Catalogue of the birds of the Peninsula of India | journal=Madras Journal of Literature and Science | pages=234–269 [256] | url=https://biodiversitylibrary.org/page/46487914 }}</ref> Another description by the French ornithologist [[Frédéric de Lafresnaye]] was published in 1840.<ref>{{cite journal|author= de Lafresnaye, F |year=1840| title=Oiseaux nouveaux, recueillis sur le plateau des Neelgheries, dans les Indes orientales, par M. Ad. Delessert|journal=Revue Zoologique |pages=65–66|url=https://www.biodiversitylibrary.org/page/13714069}}</ref>
The Wayanad laughingthrush was described by the British physician and naturalist [[Thomas C. Jerdon|Thomas Jerdon]] in 1839 and given the [[binomial name]] ''Crateropus delesserti''. The [[specific epithet]] was chosen to honour the French naturalist [[Adolphe Delessert]] who had collected specimens from near [[Kotagiri]] in the state of [[Tamil Nadu]], India.<ref>{{ cite journal | last=Jerdon | first=Thomas C. | author-link=Thomas C. Jerdon | year=1839 | title=Catalogue of the birds of the Peninsula of India | journal=Madras Journal of Literature and Science | volume=10 | pages=234–269 [256] | url=https://biodiversitylibrary.org/page/46487914 }}</ref> Another description by the French ornithologist [[Frédéric de Lafresnaye]] was published in 1840.<ref>{{cite journal|author= de Lafresnaye, F |year=1840| title=Oiseaux nouveaux, recueillis sur le plateau des Neelgheries, dans les Indes orientales, par M. Ad. Delessert|journal=Revue Zoologique |pages=65–66|url=https://www.biodiversitylibrary.org/page/13714069}}</ref>


The generic placement of this species has varied over time and it has been placed in the past under ''Dryonastes'' and ''[[Garrulax]]''. A 2012 phylogenetic study suggests that it should be separated from ''Garrulax'' under the genus ''Ianthocincla''.<ref>{{cite journal|doi=10.1093/sysbio/sys027| title=Phylogeny and Biogeography of the Core Babblers (Aves: Timaliidae)|author1=Moyle, RG |author2=Andersen, MJ |author3=Oliveros, CH |author4=Steinheimer, FD |author5=S. Reddy |name-list-style=amp |journal=Systematic Biology|volume=61|issue=4|pages=631–651|year=2012 |pmid=22328569|doi-access=free}}</ref><ref name=ras>{{cite book|author1=Rasmussen PC |author2=JC Anderton |name-list-style=amp |year=2005| title=Birds of South Asia: The Ripley Guide. Volume 2|page=411| publisher=Smithsonian Institution & Lynx Edicions}}</ref><ref name=fbi2>{{cite book|url=https://www.biodiversitylibrary.org/page/14044230| page=149| title=The Fauna of British India. Birds. Volume 1|edition=2nd| author=Baker, ECS|year=1922| publisher=Taylor and Francis| place=London}}</ref> Following the publication of a comprehensive [[molecular phylogenetic]] study in 2018, it was moved from ''Garrulax'' to the resurrected genus ''[[Pterorhinus]]''.<ref>{{ cite journal | last1=Cibois | first1=A. | last2=Gelang | first2=M. | last3=Alström | first3=P. | last4=Pasquet | first4=E. | last5=Fjeldså | first5=J. | last6=Ericson | first6=P.G.P. | last7=Olsson | first7=U. | year=2018 | title=Comprehensive phylogeny of the laughingthrushes and allies (Aves, Leiothrichidae) and a proposal for a revised taxonomy | journal=Zoologica Scripta | volume=47 | issue=4 | pages=428–440 | doi=10.1111/zsc.12296 | s2cid=51883434 }}</ref><ref name=ioc>{{cite web| editor1-last=Gill | editor1-first=Frank | editor1-link=Frank Gill (ornithologist) | editor2-last=Donsker | editor2-first=David | year=2019 | title=Laughingthrushes and allies | work=World Bird List Version 9.1 | url=http://www.worldbirdnames.org/bow/laughingthrushes/ | publisher=International Ornithologists' Union | access-date=18 January 2019 }}</ref>
The generic placement of this species has varied over time and it has been placed in the past under ''Dryonastes'' and ''[[Garrulax]]''. A 2012 phylogenetic study suggests that it should be separated from ''Garrulax'' under the genus ''Ianthocincla''.<ref>{{cite journal|doi=10.1093/sysbio/sys027| title=Phylogeny and Biogeography of the Core Babblers (Aves: Timaliidae)|author1=Moyle, RG |author2=Andersen, MJ |author3=Oliveros, CH |author4=Steinheimer, FD |author5=S. Reddy |name-list-style=amp |journal=Systematic Biology|volume=61|issue=4|pages=631–651|year=2012 |pmid=22328569|doi-access=free}}</ref><ref name=ras>{{cite book|author1=Rasmussen PC |author2=JC Anderton |name-list-style=amp |year=2005| title=Birds of South Asia: The Ripley Guide. Volume 2|page=411| publisher=Smithsonian Institution & Lynx Edicions}}</ref><ref name=fbi2>{{cite book|url=https://www.biodiversitylibrary.org/page/14044230| page=149| title=The Fauna of British India. Birds. Volume 1|edition=2nd| author=Baker, ECS|year=1922| volume=1| publisher=Taylor and Francis| place=London}}</ref> Following the publication of a comprehensive [[molecular phylogenetic]] study in 2018, it was moved from ''Garrulax'' to the resurrected genus ''[[Pterorhinus]]''.<ref>{{ cite journal | last1=Cibois | first1=A. | last2=Gelang | first2=M. | last3=Alström | first3=P. | last4=Pasquet | first4=E. | last5=Fjeldså | first5=J. | last6=Ericson | first6=P.G.P. | last7=Olsson | first7=U. | year=2018 | title=Comprehensive phylogeny of the laughingthrushes and allies (Aves, Leiothrichidae) and a proposal for a revised taxonomy | journal=Zoologica Scripta | volume=47 | issue=4 | pages=428–440 | doi=10.1111/zsc.12296 | s2cid=51883434 }}</ref><ref name=ioc>{{cite web| editor1-last=Gill | editor1-first=Frank | editor1-link=Frank Gill (ornithologist) | editor2-last=Donsker | editor2-first=David | year=2019 | title=Laughingthrushes and allies | work=World Bird List Version 9.1 | url=http://www.worldbirdnames.org/bow/laughingthrushes/ | publisher=International Ornithologists' Union | access-date=18 January 2019 }}</ref>


==Description==
==Description==
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==Distribution==
==Distribution==
The Wayanad laughingthrush is patchily distributed south of Goa. Its natural [[habitat]] is subtropical or tropical moist [[forest]]s. Their breeding has been recorded from the plains to the higher hills of southern India. The species has been recorded near Goa, Castle Rock, Karwar, Dandeli, near Bhatkal although it is rare in the northern part of its range.<ref>{{cite journal|author=Davidson, J |year=1895| title= The birds of the Bombay Presidency|journal= J. Bombay Nat. Hist. Soc.|volume=9| issue=4| pages=488–489| url=https://www.biodiversitylibrary.org/page/30888038}}</ref><ref>{{cite journal |last=LaPersonne |first=VS |year=1933| title=Extended distribution of the Wynaad laughing Thrush (''Garrulax delesserti'', Jerdon) to north Kanara.| journal=J. Bombay Nat. Hist. Soc.|volume=36| issue=2| pages=503–504|url=https://biodiversitylibrary.org/page/48199406}}</ref> It has been recorded in the Brahmagiris, Nilgiris,<ref>{{cite journal|author=Davison, William |year=1883| title= Notes on some birds collected on the Nilghiris and in parts of Wynaad and southern Mysore|journal=Stray Feathers|volume=10| issue=5| pages=329–419|url=https://www.biodiversitylibrary.org/page/30124753}}</ref> and extending south to the Ashambu hills.<ref>{{cite book|page=82|title=The Fauna of British India. Birds. Volume 1|author=Oates, EW|url=https://www.biodiversitylibrary.org/page/20628686| year=1889| publisher=Taylor and Francis| place=London}}</ref>
The Wayanad laughingthrush is patchily distributed south of Goa. Its natural [[habitat]] is subtropical or tropical moist [[forest]]s. Their breeding has been recorded from the plains to the higher hills of southern India. The species has been recorded near Goa, Castle Rock, Karwar, Dandeli, near Bhatkal although it is rare in the northern part of its range.<ref>{{cite journal|author=Davidson, J |year=1895| title= The birds of the Bombay Presidency|journal= J. Bombay Nat. Hist. Soc.|volume=9| issue=4| pages=488–489| url=https://www.biodiversitylibrary.org/page/30888038}}</ref><ref>{{cite journal |last=LaPersonne |first=VS |year=1933| title=Extended distribution of the Wynaad laughing Thrush (''Garrulax delesserti'', Jerdon) to north Kanara.| journal=J. Bombay Nat. Hist. Soc.|volume=36| issue=2| pages=503–504|url=https://biodiversitylibrary.org/page/48199406}}</ref> It has been recorded in the Brahmagiris, Nilgiris,<ref>{{cite journal|author=Davison, William |year=1883| title= Notes on some birds collected on the Nilghiris and in parts of Wynaad and southern Mysore|journal=Stray Feathers|volume=10| issue=5| pages=329–419|url=https://www.biodiversitylibrary.org/page/30124753}}</ref> and extending south to the Ashambu hills.<ref>{{cite book|page=82|title=The Fauna of British India. Birds. Volume 1|author=Oates, EW|url=https://www.biodiversitylibrary.org/page/20628686| year=1889|volume=1| publisher=Taylor and Francis| place=London}}</ref>


==Behaviour and ecology==
==Behaviour and ecology==
The species is extremely gregarious and tends to skulk in the undergrowth. Flocks vary from six to fifteen but sometimes as many as forty birds may be present together. They feed mainly on the ground turning over leaves to find insects and fallen seed or berries. The calls are load and include shrill chattering and cackling. Other calls include churring and chirping notes and some calls resemble those of the [[rufous babbler]] (''Argya subrufa'').<ref name=hbk>{{cite book|title=Handbook of the birds of India and Pakistan. Volume 7|pages=19–20|year=1996|author1=Ali, S |author2=SD Ripley |name-list-style=amp | publisher=Oxford University Press| place=New Delhi}}</ref>
The species is extremely gregarious and tends to skulk in the undergrowth. Flocks vary from six to fifteen but sometimes as many as forty birds may be present together. They feed mainly on the ground turning over leaves to find insects and fallen seed or berries. The calls are loud and include shrill chattering and cackling. Other calls include churring and chirping notes and some calls resemble those of the [[rufous babbler]] (''Argya subrufa'').<ref name=hbk>{{cite book|title=Handbook of the birds of India and Pakistan. Volume 7|pages=19–20|year=1996|author1=Ali, S |author2=SD Ripley |name-list-style=amp | publisher=Oxford University Press| place=New Delhi}}</ref>


The peak breeding season is mainly during the monsoons, April to August in Kerala and July to September in Karnataka although they may breed at other times of the year. The nest is an untidy cup of grasses with a dome above it. It is placed low in a bush, often on ''Strobilanthes'' sp. Three eggs are the typical clutch. The eggs are very spherical and white rather than blue, a feature shared with a few other laughingthrushes such as the [[white-crested laughingthrush]] (''Garrulax leucolophus'').<ref name=fbi2 /><ref name=hbk/> More than a pair have been seen near a nest suggesting the presence of [[helpers at the nest]].<ref>{{cite journal|author= Zacharias, VJ |year=1997| title= Possible communal nesting in the Wynaad Laughing Thrush ''Garrulax delesserti delesserti'' (Jerdon) |journal=J. Bombay Nat. Hist. Soc.| volume= 94| issue=2| page=414|url= https://biodiversitylibrary.org/page/48601776}}</ref>
The peak breeding season is mainly during the monsoons, April to August in Kerala and July to September in Karnataka, although they may breed at other times of the year. The nest is an untidy cup of grasses with a dome above it. It is placed low in a bush, often on ''Strobilanthes'' sp. Three eggs are the typical clutch. The eggs are very spherical and white rather than blue, a feature shared with a few other laughingthrushes such as the [[white-crested laughingthrush]] (''Garrulax leucolophus'').<ref name=fbi2 /><ref name=hbk/> More than a pair have been seen near a nest suggesting the presence of [[helpers at the nest]].<ref>{{cite journal|author= Zacharias, VJ |year=1997| title= Possible communal nesting in the Wynaad Laughing Thrush ''Garrulax delesserti delesserti'' (Jerdon) |journal=J. Bombay Nat. Hist. Soc.| volume= 94| issue=2| page=414|url= https://biodiversitylibrary.org/page/48601776}}</ref>


==References==
==References==
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{{Taxonbar|from=Q3231504}}
{{Taxonbar|from=Q3231504}}


{{DEFAULTSORT:laughingthrush, Wayanad}}
[[Category:Pterorhinus|Wayanad laughingthrush]]
[[Category:Pterorhinus|Wayanad laughingthrush]]
[[Category:Endemic birds of India]]
[[Category:Birds of South India]]
[[Category:Birds of South India]]
[[Category:Birds described in 1839|Wayanad laughingthrush]]
[[Category:Birds described in 1839|Wayanad laughingthrush]]
[[Category:Taxonomy articles created by Polbot]]
[[Category:Taxonomy articles created by Polbot]]
[[Category:Taxobox binomials not recognized by IUCN]] <!-- Pterorhinus delesserti -->

Latest revision as of 09:16, 3 October 2024

Wayanad laughingthrush
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Passeriformes
Family: Leiothrichidae
Genus: Pterorhinus
Species:
P. delesserti
Binomial name
Pterorhinus delesserti
(Jerdon, 1839)
Synonyms
  • Dryonastes delesserti
  • Ianthocincla delesserti
  • Garrulax delesserti

The Wayanad laughingthrush (Pterorhinus delesserti) is a species of laughingthrush in the family Leiothrichidae. It is endemic to the Western Ghats south of Goa in India. These laughingthrushes move in groups in dense forests, producing loud calls but tend to be hard to spot in the undergrowth. They have brown upperparts, a white throat, a broad black mask through the eye and a heavy bill with pale yellow on the lower mandible. Despite the name, derived from the Wayanad region, this species has a wider range than the four other south Indian species of laughingthrush that are restricted to the higher elevation hills.

Taxonomy

[edit]

The Wayanad laughingthrush was described by the British physician and naturalist Thomas Jerdon in 1839 and given the binomial name Crateropus delesserti. The specific epithet was chosen to honour the French naturalist Adolphe Delessert who had collected specimens from near Kotagiri in the state of Tamil Nadu, India.[2] Another description by the French ornithologist Frédéric de Lafresnaye was published in 1840.[3]

The generic placement of this species has varied over time and it has been placed in the past under Dryonastes and Garrulax. A 2012 phylogenetic study suggests that it should be separated from Garrulax under the genus Ianthocincla.[4][5][6] Following the publication of a comprehensive molecular phylogenetic study in 2018, it was moved from Garrulax to the resurrected genus Pterorhinus.[7][8]

Description

[edit]

This species has dark brownish-grey upperparts, a black mask and a white throat. The breast is grey while the belly and underside are rufous. It has some resemblance to the rufous-vented laughingthrush (Pterorhinus gularis) of northeastern India which has a yellow throat. Some older treatments considered lumped delesserti with gularis.[9] The ranges of delesserti and gularis are widely disjunct but museum specimens can be told apart by the pale lower mandible of delesserti unlike the all dark bill of gularis. The tail is uniformly coloured and is darker than the back in delesserti while that of gularis is pale with rufous outer tail feathers. The chin is yellow in gularis while white in delesserti.[10]

Distribution

[edit]

The Wayanad laughingthrush is patchily distributed south of Goa. Its natural habitat is subtropical or tropical moist forests. Their breeding has been recorded from the plains to the higher hills of southern India. The species has been recorded near Goa, Castle Rock, Karwar, Dandeli, near Bhatkal although it is rare in the northern part of its range.[11][12] It has been recorded in the Brahmagiris, Nilgiris,[13] and extending south to the Ashambu hills.[14]

Behaviour and ecology

[edit]

The species is extremely gregarious and tends to skulk in the undergrowth. Flocks vary from six to fifteen but sometimes as many as forty birds may be present together. They feed mainly on the ground turning over leaves to find insects and fallen seed or berries. The calls are loud and include shrill chattering and cackling. Other calls include churring and chirping notes and some calls resemble those of the rufous babbler (Argya subrufa).[15]

The peak breeding season is mainly during the monsoons, April to August in Kerala and July to September in Karnataka, although they may breed at other times of the year. The nest is an untidy cup of grasses with a dome above it. It is placed low in a bush, often on Strobilanthes sp. Three eggs are the typical clutch. The eggs are very spherical and white rather than blue, a feature shared with a few other laughingthrushes such as the white-crested laughingthrush (Garrulax leucolophus).[6][15] More than a pair have been seen near a nest suggesting the presence of helpers at the nest.[16]

References

[edit]
  1. ^ BirdLife International (2012). "Garrulax delesserti". IUCN Red List of Threatened Species. 2012. Retrieved 26 November 2013.
  2. ^ Jerdon, Thomas C. (1839). "Catalogue of the birds of the Peninsula of India". Madras Journal of Literature and Science. 10: 234–269 [256].
  3. ^ de Lafresnaye, F (1840). "Oiseaux nouveaux, recueillis sur le plateau des Neelgheries, dans les Indes orientales, par M. Ad. Delessert". Revue Zoologique: 65–66.
  4. ^ Moyle, RG; Andersen, MJ; Oliveros, CH; Steinheimer, FD & S. Reddy (2012). "Phylogeny and Biogeography of the Core Babblers (Aves: Timaliidae)". Systematic Biology. 61 (4): 631–651. doi:10.1093/sysbio/sys027. PMID 22328569.
  5. ^ Rasmussen PC & JC Anderton (2005). Birds of South Asia: The Ripley Guide. Volume 2. Smithsonian Institution & Lynx Edicions. p. 411.
  6. ^ a b Baker, ECS (1922). The Fauna of British India. Birds. Volume 1. Vol. 1 (2nd ed.). London: Taylor and Francis. p. 149.
  7. ^ Cibois, A.; Gelang, M.; Alström, P.; Pasquet, E.; Fjeldså, J.; Ericson, P.G.P.; Olsson, U. (2018). "Comprehensive phylogeny of the laughingthrushes and allies (Aves, Leiothrichidae) and a proposal for a revised taxonomy". Zoologica Scripta. 47 (4): 428–440. doi:10.1111/zsc.12296. S2CID 51883434.
  8. ^ Gill, Frank; Donsker, David, eds. (2019). "Laughingthrushes and allies". World Bird List Version 9.1. International Ornithologists' Union. Retrieved 18 January 2019.
  9. ^ Deignan, HG; Paynter, RA Jr.; SD Ripley (1964). Check-list of birds of the world. Vol. 10. Cambridge, Massachusetts: Museum of Comparative Zoology. p. 370.
  10. ^ Collar, NJ (2006). "A partial revision of the Asian babblers (Timaliidae)" (PDF). Forktail. 22: 85–112.
  11. ^ Davidson, J (1895). "The birds of the Bombay Presidency". J. Bombay Nat. Hist. Soc. 9 (4): 488–489.
  12. ^ LaPersonne, VS (1933). "Extended distribution of the Wynaad laughing Thrush (Garrulax delesserti, Jerdon) to north Kanara". J. Bombay Nat. Hist. Soc. 36 (2): 503–504.
  13. ^ Davison, William (1883). "Notes on some birds collected on the Nilghiris and in parts of Wynaad and southern Mysore". Stray Feathers. 10 (5): 329–419.
  14. ^ Oates, EW (1889). The Fauna of British India. Birds. Volume 1. Vol. 1. London: Taylor and Francis. p. 82.
  15. ^ a b Ali, S & SD Ripley (1996). Handbook of the birds of India and Pakistan. Volume 7. New Delhi: Oxford University Press. pp. 19–20.
  16. ^ Zacharias, VJ (1997). "Possible communal nesting in the Wynaad Laughing Thrush Garrulax delesserti delesserti (Jerdon)". J. Bombay Nat. Hist. Soc. 94 (2): 414.
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