Gnatcatchers (Polioptilidae)
Long-billed Gnatwren (Ramphocaenus melanurus) - HBW 11, p. 369
French: Microbate à long bec
German: Schwarzschwanz-Degenschnäbler
Spanish: Soterillo Picudo
Other common names: Straight-billed Gnatwren; Black-tailed Gnatwren (South American races)
Taxonomy: Ramphocaenus melanurus Vieillot, 1819, vicinity of Rio de Janeiro, Brazil.
Races rufiventris and griseodorsalis were, until 1931, considered to represent a separate species; may warrant restoration as such. Taxonomy of this species in need of review and revision. Distributional limits of N races and of albiventris uncertain; details listed below are tentative. Fifteen subspecies recognized.
Subspecies and Distribution:
- rufiventris (Bonaparte, 1838) - lowlands of S Mexico (SC Veracruz, N Oaxaca, N & S Chiapas), N & S Guatemala, W Belize, N Honduras and El Salvador S to C Panama, and intermittently to SW Ecuador.
- ardeleo Van Tyne & Trautman, 1941 - SE Mexico (Yucatán Peninsula S to SW Campeche and Quintana Roo).
- panamensis A. R. Phillips, 1991 - C & E Panama (including Azuero Peninsula); possibly extending N to Costa Rica.
- rufiventris (Bonaparte, 1838) - lowlands of S Mexico (SC Veracruz, N Oaxaca, N & S Chiapas), N & S Guatemala, W Belize, N Honduras and El Salvador S to C Panama, and intermittently to SW Ecuador.
- ardeleo Van Tyne & Trautman, 1941 - SE Mexico (Yucatán Peninsula S to SW Campeche and Quintana Roo).
- panamensis A. R. Phillips, 1991 - C & E Panama (including Azuero Peninsula); possibly extending N to Costa Rica.
- sanctaemarthae P. L. Sclater, 1862 - Caribbean coast of N Colombia and NW Venezuela.
- pallidus Todd, 1913 - N Colombia (Zulia Valley) and N Venezuela (Falcón E to Miranda).
- trinitatis Lesson, 1839 - W & NE Venezuela (W Apure E to Sucre), E Colombia (W Meta, W Putumayo) and NW Brazil (R Amajaú); Trinidad.
- griseodorsalis Chapman, 1912 - W Colombia (W Caldas S to SC Valle).
- albiventris , 1883 - E Venezuela (E Bolívar) E to Suriname and French Guiana, S to NC Brazil (C Pará).
- duidae J. T. Zimmer, 1937 - S Venezuela, E Colombia and E Ecuador.
- badius J. T. Zimmer, 1937 - SE Ecuador and E Peru (C Amazonas).
- amazonum Hellmayr, 1907 - E Peru (E bank of upper R Ucayali) to NC Brazil (W Pará).
- obscurus J. T. Zimmer, 1931 - E Peru from W bank of upper R Ucayali (Santa Rosa) S to E Junín.
- austerus J. T. Zimmer, 1937 - N coastal Brazil (E Pará, N Maranhão).
- sticturus Hellmayr, 1902 - WC Brazil (NW Mato Grosso).
- melanurus Vieillot, 1819 - coastal E Brazil from Paraíba S to Santa Caterina.
- Least Concern
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A bird in a tangle Carlos Botelho State Park, São Paulo, Brazil (ssp melanurus)
Josep del Hoyo 17 May 2005 4 years ago 10 sec 2.8
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A bird foraging in a bush. Caracas, Distrito Capital, Venezuela
philgunson 10 August 2008 1 year ago 3.5 -
perched briefly in the brush before flitting off Granville, Cedros, Trinidad, Trinidad and Tobago (ssp trinitatis)
Sanjiv Parasram 28 May 2010 12 weeks ago 2.4
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Song. Rancho Naturalista, Cartago Province, Costa Rica
(ssp rufiventris)
Scott Olmstead 25 March 2010 12 weeks ago 4 -
Singing in igapo forest. Pousada Rio Azul, Pará, Brazil
(ssp amazonum?)
Bradley Davis 30 July 2007 38 weeks ago 4 -
Group of three birds - In the background : Trogon viridis, Herpsilochmus stictocephalus Kaw-Roura Nature Reserve, French Guiana
Patrick Ingremeau 26 June 2010 8 weeks ago 3
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