Sikkim Wedge-billed Babbler, Wedge-billed Wren Babbler, Wedge-billed Wren-Babbler, Himalayan Wedge-billed Wren Babbler, Himalayan Wedge-billed Babbler, Wedge-billed Babbler
Monotypic species endemic to the eastern Himalaya (India & Bhutan).
The form Sphenocichla (h.) roberti is now considered a separate species under the name Chevron-breasted Babbler.
Collar, N. J. (2006) A partial revision of the Asian babblers (Timaliidae). Forktail 22: 85-112.
Rasmussen, P., Anderton, J. (2005) Birds of South Asia: The Ripley Guide. Barcelona: Lynx Edicions.