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 LC    Sedge Wren* Id (Atlas):
    Cistothorus platensis

Description (10)
Image of Sedge Wren
 

Other Names (World)
Grass Wren, Sedge Wren, Short-billed Marsh Wren (stellaris group) (Neotropical subspecies)

Family
Troglodytidae (Wrens)

Size
9 - 11.50 cm

First Described (Guide)
(Latham, 1790)

Habitat
Subtropical and tropical high altitude grassland, subtropical and tropical seasonally wet / flooded grassland, temperate grassland. From sea-level - 4,000 m.

Range (Guide)
Argentina, Belize, Bolivia, Brazil, Canada (B), Chile, Colombia, Costa Rica, Ecuador, El Salvador, Falkland Islands (Malvinas), Guatemala, Guyana, Mexico, Nicaragua, Panama, Paraguay (B), Peru, South Georgia and the South Sandwich Islands, Uruguay (B), USA (B), Venezuela.

Unknown to Honduras.

Population
Estimated population is 6,500,000 (2010).

Voice
Xeno-Canto Sound Files (more (39)...)

 
Grass Wren (Cistothorus platensis) [XC579561]
     by Manuel Grosselet from Parque las maravillas, Ciudad de M\u00e9xico, Mexico (song)

 
Grass Wren (Cistothorus platensis) [XC587655]
     by Manuel Grosselet from Parque Ecol\u00f3gico de Xochimilco, Mexico (song)

Subspecies
Cistothorus platensis (Sibley and Monroe 1990, 1993) was provisionally split into Sedge Wren (Cistothorus platensis) and Cistothorus stellaris by Stotz et al. (1996) but this treatment has not been adopted, following SACC (2005).

Probably closely related to Merida Wren (Cistothorus meridae) and Apolinar's Wren (Cistothorus apolinari). Taxonomy complex. Subspecies form three geographical groups: "stellaris group" (North America south to Panama), "aequatorialis group" (north-western South America, from Colombia east to Guyana and south to Bolivia) and "nominate group" (southern South America, from northern Argentina and south-eastern Brazil south to Tierra del Fuego). Wide disparities in vocalizations suggest that these groups likely to represent three distinct species; also, the two Neotropical groups possibly worthy of further subdivision.

Proposed subspecies boliviae (from Santa Cruz, in Bolivia) considered indistinguishable from minimus.

The following 20 subspecies are recognised:

  • stellaris (Latham, 1790)   -  Breeds from southern Canada (eastern Saskatchewan, central Manitoba, southern Ontario and southern Quebec) southern in USA to northern Kentucky, eastern Pennsylvania and New York. Non-breeding winters from eastern USA (Virginia) south through coastal states to Texas and north-eastern Mexico. Considered by some authors to be a distinct species, Sedge Wren (Cistothorus stellaris).
  • potosinus Dickerman, 1975   -  North-central Mexico (San Luis Potosí­).
  • tinnulus Moore, RT, 1941   -  Central Mexico (Nayarit south to Michoacán, México and Distrito Federal.
  • jalapensis Dickerman, 1975   -  Eastern Mexico (central Veracruz).
  • warneri Dickerman, 1975   -  Eastern Mexican lowlands in Veracruz, Tabasco and Chiapas.
  • russelli Dickerman, 1975   -  Belize (Toledo and Cayo districts).
  • elegans Sclater, PL & Salvin, 1859   -  Highlands of south-eastern Mexico (from Veracruz) and Guatemala.
  • graberi Dickerman, 1975   -  Interior and eastern Honduras and north-eastern Nicaragua.
  • lucidus Ridgway, 1903   -  Central Costa Rica southern (at least formerly) to western Panama.
  • alticola Salvin & Godman, 1883   -  Mountains of northern Colombia, west, northern and eastern Venezuela and western Guyana.
  • tolimae Meyer de Schauensee, 1946   -  Northern part of central Andes of Colombia (Caldas, Tolima).
  • aequatorialis Lawrence, 1871   -  Southern end of central Andes of Colombia south to central Peru (south to central Juní­n).
  • tamae Cory, 1916   -  South-western Venezuela (southern Táchira) and eastern Colombia.
  • graminicola Taczanowski, 1874   -  South-central Peru (Juní­n, Cuzco).
  • minimus Carriker, 1935   -  Southern Peru south to southern Bolivia.
  • tucumanus Hartert, 1909   -  North-western Argentina (Jujuy south to Catamarca and Tucumán).
  • polyglottus (Vieillot, 1819)   -  Paraguay and south-eastern Brazil.
  • platensis (Latham, 1790)   -  Eastern Argentina (eastern from Córdoba and Mendoza).
  • hornensis (Lesson, R, 1834)   -  Central Chile and southern Argentina (southern from c. 41º south) south to Cape Horn.
  • falklandicus Chapman, 1934   -  Falkland Is.



References
See References.


Files:
JPG files for Sedge Wren (Cistothorus platensis) - 10 files


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