Bicol Ground-warbler (Robsonius sorsogonensis)

Other Names (World)
Bicol Ground-warbler, Grey-banded Babbler, Gray-banded Babbler, Luzon Wren-babbler, Sorsogon Wren-babbler, Bicol Ground Warbler

Family
Locustellidae (Grasshopper-warblers And Grassbirds)

Size
20 - 22 cm

First Described (Guide)
(Rand & Rabor, 1967)

Habitat
Broadleaf evergreen forest, forest edge, secondary growth, and can be found in the vicinity of limestone rocks and outcrops and amongst moss-covered rocks and boulders. From sea-level - 1,000 m.

Range (Guide)

Southern Luzon and Catanduanes.

Rarity Status
Currently this species is not classified as a rarity in this country OR information has not been updated.

Population
Estimated population is unknown (2010) and decreasing.

Status NT
Habitat loss is the main threat.

For more information see BirdLife International Species Factsheet.

Voice
Song is a very high-pitched, thin 'tit'tsu-tsuuuu-tsiiiii'.

Xeno-Canto Sound Files (more (14)...)

Bicol Ground Warbler (Robsonius sorsogonensis) [XC824711]
by Joren van Schie from Santa Maria (near Real), Quezon, Calabarzon, Philippines (song)

Bicol Ground Warbler (Robsonius sorsogonensis) [XC483441]
by Ding Li Yong from Luzon (near Santa Maria), Laguna, Calabarzon, Philippines (song)

Subspecies
Napothera rabori (Sibley and Monroe 1990, 1993) has been moved into the new genus Robsonius and split into Cordillera Ground-warbler (Robsonius rabori) and Bicol Ground-warbler (Robsonius sorsogonensis) following Collar (2006).

Previously placed in genus Napothera. Formerly regarded as conspecific with Cordillera Ground-warbler (Robsonius rabori).

The following 2 subspecies are recognised:

mesoluzonicus (Rand & Rabor, 1967) - Central Luzon, in northern Philippine Is.
sorsogonensis Rand and Rabor, 1967 - Southern Luzon and Catanduanes.

References
See References.

Files:

JPG files for Bicol Ground-warbler (Robsonius sorsogonensis) - 1 files

More Information

BirdLife International

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BirdLife International Species Factsheet.

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