Thai National Parks

Species of Thailand

Hairy-backed bulbul

Tricholestes criniger, Edward Blyth, 1845

(In Thai: นกปรอดหลังฟู)

The hairy-backed bulbul (Tricholestes criniger) is a songbird species in the bulbul family, Pycnonotidae. It is the sole species contained within the monotypic genus Tricholestes. It is found on the Malay Peninsula, Sumatra, and Borneo. Its natural habitat is subtropical or tropical moist lowland forests.

Taxonomy and systematics

The hairy-backed bulbul was originally described in the genus Brachypodius (a synonym for Pycnonotus). Alternatively, some authorities have classified the hairy-backed bulbul in the genera Trichophorus (a synonym for Criniger) and Hypsipetes.


Three subspecies are currently recognized:

  • T. c. criniger - (Blyth, 1845): Found on the Malay Peninsula and eastern Sumatra
  • T. c. sericeus - (Blyth, 1865): Originally described as a separate species in the genus Criniger. Found on western Sumatra
  • T. c. viridis - (Bonaparte, 1854): Originally described as a separate species in the genus Trichophoropsis (a synonym for Setornis). Found on Borneo

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Category / Seasonal Status

BCST Category: Recorded in an apparently wild state within the last 50 years

BCST Seasonal status: Resident or presumed resident

Scientific classification

Tricholestes criniger

Common names

  • Thai: นกปรอดหลังฟู


  • Myiosobus fulvicauda, Anton Reichenow (1891)
  • Trichophorus minutus, Gustav Hartlaub (1853)
  • Brachypodius criniger, Edward Blyth (1845)

Conservation status

Least Concern (IUCN3.1)

Least Concern (IUCN3.1)


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Hairy-backed bulbul

Range Map

Distribution map of Hairy-backed bulbul, Tricholestes criniger in Thailand
  • Ao Phang-Nga National Park
  • Bang Lang National Park
  • Hala-Bala Wildlife Sanctuary
  • Huai Yang Waterfall National Park
  • Kaeng Krung National Park
  • Khao Banthat Wildlife Sanctuary
  • Khao Luang National Park
  • Khao Nam Khang National Park
  • Khao Nan National Park
  • Khao Phanom Bencha National Park
  • Khao Phra - Bang Khram Wildlife Sanctuary
  • Khao Sok National Park
  • Mueang Krabi District, Krabi
  • San Kala Khiri National Park
  • Sri Phang-nga National Park
  • Takua Pa District, Phang Nga
  • Thale Ban National Park
  • Ton Nga-Chang Wildlife Sanctuary
Range map of Tricholestes criniger in Thailand