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 NT    Grey-throated Leaftosser* Id (Atlas):
    Sclerurus albigularis

Description (10)
Image of Grey-throated Leaftosser
 

Other Names (World)
Grey-throated Leaftosser, Gray-throated Leaftosser, Grey-throated Leafscraper, Gray-throated Leafscraper

Family
Furnariidae (Ovenbirds)

Size
16.50 - 20 cm

First Described (Guide)
Sclater & Salvin, 1869

Habitat
Montane and lowland tropical forest. From 600 - 2,000 m.

Range (Guide)
Bolivia, Brazil, Colombia, Costa Rica, Ecuador, Panama, Peru, Trinidad and Tobago, Venezuela.

Population
Estimated population is unknown (2010).

Status NT
ccelerating deforestation as land is cleared for cattle ranching and soy production, facilitated by expansion of the road network, is the main threat.

For more information see BirdLife International Species Factsheet.

Voice
Xeno-Canto Sound Files (more (21)...)

 
Grey-throated Leaftosser (Sclerurus albigularis) [XC236098]
     by Niels Krabbe from Magdalena: San Lorenzo ridge, Sierra Nevada de Santa Marta, Colombia (end of descending series)

 
Grey-throated Leaftosser (Sclerurus albigularis) [XC262907]
     by Jonas Nilsson from Morona-Santiago: w-slope Cord. de Cutuc\u00fa, Ecuador (song, alternate song)

Subspecies
Plumage similarities and biogeography suggest that this and Rufous-breasted Leaftosser (Sclerurus scansor) may be its sister-species. Pattern of geographical variation generally conforms to Gloger's Rule, with plumage darker in warm, humid areas than in colder, drier ones. Within nominate subspecies, population in Trinidad and Tobago significantly smaller than mainland populations. Racial identity of birds from south-western Brazil (Acre, northern Rondônia) and others reported from southern Bolivia (Tarija) uncertain and presumed to belong to albicollis.

Proposed subspecies kunanensis, of Perijá Mts (Colombia-Venezuela border), described as having belly more greenish-olive, remiges more olivaceous and rectrices blackish, but appears indistinguishable from nominate.

The following 7 subspecies are recognised:

  • canigularis Ridgway, 1889   -  Foothills of Costa Rica and western Panama (western Chiriquí­).
  • propinquus Bangs, 1899   -  Santa Marta Mts, in northern Colombia.
  • albigularis Sclater & Salvin, 1869   -  Perijá Mts, also southern in eastern Andes of Colombia (eastern slope south to eastern Cauca, also Macarena Mts) and locally in foothills of western and northern Venezuela (Andes, coastal range east to Sucre on Paria Peninsula). Also Trinidad and Tobago.
  • zamorae Chapman, 1923   -  Foothills of Andes from eastern Ecuador (southern from western Napo) south to central Peru (Cajamarca south to Pasco).
  • albicollis Carriker, 1935   -  South-eastern Peru (Ucayali), south-western Brazil (Acre, northern Rondônia) and Andean foothills in Bolivia (from La Paz and Beni south to north-western Santa Cruz, also sight records from Tarija).
  • kempffi Kratter, AW, 1997   -  Serraní­a de Huanchaca, in eastern Bolivia (extreme north-eastern Santa Cruz).
  • kunanensis Aveledo & Ginés, 1950   -  North-eastern Venezuela (Paría Peninsula).



References
See References.


Files:
JPG files for Grey-throated Leaftosser (Sclerurus albigularis) - 10 files


More Information

BirdLife International

For more information about the Grey-throated Leaftosser see... Show Articles BirdLife International Species Factsheet.


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