LC
Sierra Madre Ground-warbler Robsonius thompsoni



Family: Locustellidae (Grasshopper-warblers and grassbirds)

Authority: Hosner, Boggess, Alviola, Sánchez-González, Oliveros, Urriza & Moyle, 2013

Red List Category

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Justification of Red List category
Despite its restricted range, and the fact that the population may be declining, the species is not thought to approach the threshold for listing as Vulnerable under any criterion. Therefore, the species is listed as Least Concern.



Population size: unknown

Population trend: Decreasing

Extent of occurrence (breeding/resident): 33,100 km2

Country endemic: Yes


Recommended citation
BirdLife International (2018) Species factsheet: Robsonius thompsoni. Downloaded from http://www.birdlife.org on 18/11/2018. Recommended citation for factsheets for more than one species: BirdLife International (2018) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 18/11/2018.