Bicol Ground Warbler
Photo: Rand, 1960 · CC0

Grasshopper Warblers, Grassbirds, and Allies

Bicol Ground Warbler

Robsonius sorsogonensis

NTNear Threatened Endemic to Philippines
Family
Grasshopper Warblers, Grassbirds, and Allies (Locustellidae)
Order
Passeriformes

Overview

The Bicol ground warbler (Robsonius sorsogonensis) is a species of passerine bird in the family Locustellidae. It is native to southern Luzon and Catanduanes in the Philippines. It was formerly conspecific and forms a species complex with the Cordillera ground warbler and Sierra Madre ground warbler, which are some of most elusive birds in the country due to their extremely shy nature. Its natural habitat is tropical moist lowland forest.

Summary from Wikipedia, available under CC BY-SA 4.0.

Range and habitat

Southeastern Luzon and Catanduanes, Philippines.

Range description: AviList Global Avian Checklist.

Continents

Countries

Sources and further reading

Last updated September 29, 2026.