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Sedge Wren (1 Viewer)

Richard Klim

Richard Klim

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Robbins & Nyári 2014. Canada to Tierra del Fuego: species limits and historical biogeography of the Sedge Wren (Cistothorus platensis). Wilson J Ornithol 126(4): 649–662. [abstract]

Taxonomic Revision Summary.—
  • Cistothorus stellaris – Sedge Wren
  • Cistothorus meridae – Mérida Wren
  • Cistothorus apolinari – Apolinar’s Wren (incl hernandezi)
  • Cistothorus elegans – Grass Wren (incl tinnulus, potosinus, jalapensis, warneri, russelli, graberi, lucidus)
  • Cistothorus hornensis – Austral Wren (incl falklandicus)
  • Cistothorus tucumanus – Tucumán Wren (incl 'boliviae')
  • Cistothorus platensis – Pampas Wren (incl polyglottos)
  • Cistothorus minimus – Puna Wren
  • Cistothorus graminicola – Junín Wren
  • Cistothorus aequatorialis – Páramo Wren (incl tamae, tolimae; "should tamae prove to be a separate species then tolimae would be synonymized with tamae")
  • Cistothorus alticola – Venezuelan Wren
Kroodsma & Brewer 2005 (HBW 10).
 
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blimey..

do we know which taxa occurs in cuzco province e.g. abra acjanacu at the top of the manu road?

i know HBW alive suggests graminicola, but the name Junin wren doesn't really fit that?...

James
 
Cusco?

James Lowther said:
do we know which taxa occurs in cuzco province e.g. abra acjanacu at the top of the manu road?
Click to expand...
Robbins & Nyári...
Cistothorus graminicola ... Junín Wren...
Distribution: páramo south of the Río Marañón drainage to dpto Junín, Peru
Comments: southern distribution needs to be clarified.

Cistothorus minimus ... Puna Wren...
Distribution: puna grassland from dpto Ayacucho, Peru south to La Paz, Bolivia.
Comments: northern and southern distributional limits need to be clarified.
Click to expand...
But one of the samples of minimus (KU 29493) is from Cusco region.
 
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Snapdragyn said:
Which of the proposed splits are threatened as mentioned in the abstract, and to what degree (Vulnerable, Endangered, etc.)?
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The threats to several populations are briefly discussed, but specific threat categories are not proposed. The authors conclude: "...all species within this complex face serious conservation challenges and merit immediate attention to secure their future".
 
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The global threat categories will not be reassessed until BirdLife make changes to their taxonomy, and that will then be reflected by HBW Alive. Whether this will happen before Vol. 2 of the HBW / BirdLife Checklist I do not know. Some of these taxa have been assessed at the national level.
 
Chris Sharpe said:
Whether this will happen before Vol. 2 of the HBW / BirdLife Checklist I do not know.
Click to expand...
Will this happen at all? The type of evidence that is primarily used in this work ("As a result of limitations in discrete plumage characters [...] as well as primary vocalizations, we have relied heavily on genetic data to delineate species limits.") is not recognized as significant by BirdLife. It seems likely that very few (if any) of these taxa would pass the Tobias test.
 
Sorry, I was talking generically. Of course, BirdLife would have to decide whether or not to accept the proposed changes. It will be interesting to see how the various lists are reconciled for conservation purposes.
 
Cistothorus stellaris

Richard Klim said:
Robbins & Nyári 2014. Canada to Tierra del Fuego: species limits and historical biogeography of the Sedge Wren (Cistothorus platensis). Wilson J Ornithol 126(4): 649–662. [abstract]

Taxonomic Revision Summary.—
  • Cistothorus stellaris – Sedge Wren
  • Cistothorus meridae – Mérida Wren
  • Cistothorus apolinari – Apolinar’s Wren (incl hernandezi)
  • Cistothorus elegans – Grass Wren (incl tinnulus, potosinus, jalapensis, warneri, russelli, graberi, lucidus)
  • Cistothorus hornensis – Austral Wren (incl falklandicus)
  • Cistothorus tucumanus – Tucumán Wren (incl 'boliviae')
  • Cistothorus platensis – Pampas Wren (incl polyglottos)
  • Cistothorus minimus – Puna Wren
  • Cistothorus graminicola – Junín Wren
  • Cistothorus aequatorialis – Páramo Wren (incl tamae, tolimae; "should tamae prove to be a separate species then tolimae would be synonymized with tamae")
  • Cistothorus alticola – Venezuelan Wren
Kroodsma & Brewer 2005 (HBW 10).
Click to expand...

IOC Update Diary Jan 11

Accept split of NA Sedge Wrens (stellaris)
 
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