Long-billed Gnatwren (Ramphocaenus melanurus)

Other Names (World)
Long-billed Gnatwren, Straight-billed Gnatwren, Black-tailed Gnatwren (South American subspecies), Trilling Gnatwren

Family
Polioptilidae (Gnatcatchers)

Size
12 - 13.20 cm

First Described (Guide)
Vieillot, 1819

Habitat
Subtropical and tropical lowland moist forest. From sea-level - 750 m, occasionally 1,200 m.

Range (Guide)

Belize, Bolivia, Brazil, Colombia, Costa Rica, Ecuador, El Salvador, French Guiana, Guatemala, Guyana, Honduras, Mexico, Nicaragua, Panama, Peru, Suriname, Trinidad and Tobago, Venezuela.

Population
Estimated population is 5,000,000 - 50,000,000 (2010).

Status LC
For more information see BirdLife International Species Factsheet.

Voice
Xeno-Canto Sound Files (more (31)...)

Trilling Gnatwren (Ramphocaenus melanurus) [XC53418]
by Tom Stevens from S\u00edtio do Cervo, Miracatu-SP, Brazil (song)

Trilling Gnatwren (Ramphocaenus melanurus) [XC439951]
by Jean-Esteban Liberek from Reserva R\u00edo Claro, Colombia (song)

Subspecies
Subspecies rufiventris and griseodorsalis were, until 1931, considered to represent separate species and may warrant restoration as such. Taxonomy of this species in need of review and revision. Distributional limits of northern subspecies and of albiventris uncertain. Subspecies assignments are tentative.

The following 15 subspecies are recognised:

rufiventris (Bonaparte, 1838) - Lowlands of southern Mexico (south-central Veracruz, northern Oaxaca, northern and southern Chiapas), northern and southern Guatemala, western Belize, northern Honduras and El Salvador south to central Panama, and intermittently to south-western Ecuador.
ardeleo van Tyne & Trautman, 1941 - South-eastern Mexico (Yucat�n Peninsula south to south-western Campeche and Quintana Roo).
panamensis Phillips, AR, 1991 - Central and eastern Panama (including Azuero Peninsula); possibly extending north to Costa Rica.
sanctaemarthae Sclater, PL, 1862 - Caribbean coast of northern Colombia and north-western Venezuela.
pallidus Todd, 1913 - Northern Colombia (Zulia Valley) and northern Venezuela (Falc�n east to Miranda).
trinitatis Lesson, R, 1839 - Western and north-eastern Venezuela (western Apure east to Sucre), eastern Colombia (western Meta, western Putumayo) and north-western Brazil (R Amaja�); Trinidad.
griseodorsalis Chapman, 1912 - Western Colombia (western Caldas south to south-central Valle).
albiventris Sclater, PL, 1883 - Eastern Venezuela (eastern Bol��var) east to Suriname and French Guiana, south to north-central Brazil (central Par�).
duidae Zimmer, JT, 1937 - Southern Venezuela, eastern Colombia and eastern Ecuador.
badius Zimmer, JT, 1937 - South-eastern Ecuador and eastern Peru (central Amazonas).
amazonum Hellmayr, 1907 - Eastern Peru (eastern bank of upper R Ucayali) to north-central Brazil (western Par�).
obscurus J. T. Zimmer, 1931 - Eastern Peru from western bank of upper R Ucayali (Santa Rosa) south to eastern Jun��n.
austerus Zimmer, JT, 1937 - Northern coastal Brazil (eastern Par�, northern Maranh�o).
sticturus Hellmayr, 1902 - West-central Brazil (north-western Mato Grosso).
melanurus Vieillot, 1819 - Coastal eastern Brazil from Para��ba south to Santa Caterina.

References
See References.

Files:

JPG files for Long-billed Gnatwren (Ramphocaenus melanurus) - 10 files

More Information

BirdLife International

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BirdLife International Species Factsheet.

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