The Bicol ground warbler (Robsonius sorsogonensis) is a species of passerine bird in the family Locustellidae. It is endemic to the island of Luzon in the Philippines, where it is found in the southern parts of the island. Along with its other conspecifics, such as the Cordillera ground warbler and the Sierra Madre ground warbler, it is one of the most elusive birds in the country. Its natural habitat is tropical moist lowland forest. It is threatened by habitat loss.
^BirdLife International (2015). "Robsonius sorsogonensis". The IUCN Red List of Threatened Species (2015). doi:10.2305/IUCN.UK.2015-4.RLTS.T22735664A83679652.en.
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The Bicolgroundwarbler (Robsonius sorsogonensis) is a species of passerine bird in the family Locustellidae. It is endemic to the island of Luzon in...
the other two species of groundwarblers on the island of Luzon, the Bicolgroundwarbler and the Cordillera groundwarbler, and probably for this reason...
following species: Cordillera groundwarbler (Robsonius rabori) Sierra Madre groundwarbler (Robsonius thompsoni) Bicolgroundwarbler (Robsonius sorsogonensis)...
from the Bicolgroundwarbler and Sierra Madre groundwarbler by the grayish triangular markings on its belly. The Cordillera groundwarbler was described...
all over. Cordillera ground-warbler, Robsonius rabori Sierra Madre ground-warbler, Robsonius thompsoni (E) Bicolground-warbler, Robsonius sorsogonensis...
buffy all over. Cordillera ground-warbler, Robsonius rabori Sierra Madre ground-warbler, Robsonius thompsoni Bicolground-warbler, Robsonius sorsogonensis...
rabori Sierra Madre groundwarbler (formerly classified as a babbler, now as a grassbird), Robsonius thompsoni Bicolgroundwarbler (formerly classified...