Sierra Madre Ground Warbler

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Sierra Madre Ground Warbler
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Passeriformes
Family: see text
Genus: Robsonius
Species: R. thompsoni
Binomial name
Robsonius thompsoni
Hosner et al., 2013[1]

Napothera thompsoni

The Sierra Madre Ground Warbler (Robsonius thompsoni) is a bird species that was discovered on Luzon Island in the Philippines. Its scientific name is after the Kansas ornithological expert, Max Thompson of Winfield.[2][3] They feed on insects, and tend to live in tropical understories. Some taxonomists continue to list the species in the Timaliidae, others in the Locustellidae. Their song is extremely high in pitch as well it’s almost impossible to locate the source of the sound in the forest.They’re ground-walking songbirds — rotund, with strong legs and weak wings — and it appears that they can barely fly. They tend to inhabit dense forest understory, where they feed on insects. Their song is extremely high in pitch, and ventriloquial — it’s almost impossible to locate the source of the sound in the forest — they always sound like they are far away, even when they are almost at your feet The bird looks similar to the other two species of ground warblers in the Philippines, the Bicol Ground Warbler and the Cordillera Ground Warbler, so it wasn’t recognized as an independent species at first.[4] [5]


  1. ^ Hosner, Peter A. et al. (2013). "Phylogeography of the Robsonius Ground-Warblers (Passeriformes: Locustellidae) Reveals an Undescribed Species from Northeastern Luzon, Philippines.". Condor 115 (3): 630–639. doi:10.1525/cond.2013.120124. 
  2. ^ "Outdoors notes: Warbler has Sunflower State connections". Kansas. 7 September 2013. Retrieved 11 September 2013. 
  3. ^ "New ‘Ventriloquist’ Bird Species Discovered In Philippines". Kansas University via Asian Scientist. Retrieved 11 September 2013. 
  4. ^ "sierra madre ground warbler new bird". Retrieved 17 September 2013. 
  5. ^ "'Ventriloquist' bird discovered in Philippines". Kansas University. 3 September 2013. Retrieved 17 September 2013.