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Bare-faced Bulbul - BirdForum Opus

Photo by Stijn De Win / Birding2asia
Khammouane province, Laos, December 2008
Nok hualon

Pycnonotus hualon


A newly described species with first sightings in 1995 and officially described in 2009.

  • Bare face and side of the head
  • Extensive pale blue periorbital and loral skin and orange-pink skin on the rear side of head
  • Loose, hair-like filoplumes along mid-crown
  • Olive undertail-coverts
  • Fawn-grey breast and belly
  • White throat


Currently only know from Laos. Recorded at Pha Lom and Khammouan province limestone.
May also occur in other similar habitat in Laos or Vietnam. A restricted-range species.


This is a monotypic species[1]. Birds seen at Khammouan differ slightly in appearance.


Limestone karst


Recorded feeding on berries.
A conspicuous species, mostly seen foraging and moving at all times of day. Usually seen singly or in pairs.
No information yet about breeding.


  1. Clements, J. F., T. S. Schulenberg, M. J. Iliff, S. M. Billerman, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2019. The eBird/Clements Checklist of Birds of the World: v2019. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
  2. Woxvold J., Duckworth J.W. & Timmins R.J. 2009. An unusual new bulbul (Passeriformes:Pycnonotidae) from the limestone karst of Lao PDR. In: Forktail 25 (2009): 1-12
  3. De Win S. 2009. Laos’ Khammouane Bulbul, a new bird species from Laos. [1]

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