Bulbuls (Pycnonotidae)
Flavescent Bulbul (Pycnonotus flavescens) - HBW 10, p. 190
French: Bulbul flavescent
German: Gelbwangenbülbül
Spanish: Bulbul Amarillento
Other common names: Blyth’s Bulbul, Round-tailed Green Bulbul; Pale-faced Bulbul (leucops)
Taxonomy: P[ycnonotus]. flavescens Blyth, 1845, hills between Sandoway and Pyè, Arakan Yoma, west Myanmar.
Genus as currently constituted probably polyphyletic; in-depth analysis of morphology, voice, behaviour and genetics required to redefine its limits. Nominate race previously separated in genus Xanthixus or Xanthiscus, and leucops initially described in a monotypic genus, Oreoctistes; all races currently included within this species are clearly congeneric, but their placement in present genus is debatable. Race leucops is geographically remote from others, differs vocally and morphologically (differences far exceed those between all other races), and is a pr.. View all taxonomy...
Taxonomy: P[ycnonotus]. flavescens Blyth, 1845, hills between Sandoway and Pyè, Arakan Yoma, west Myanmar.
Genus as currently constituted probably polyphyletic; in-depth analysis of morphology, voice, behaviour and genetics required to redefine its limits. Nominate race previously separated in genus Xanthixus or Xanthiscus, and leucops initially described in a monotypic genus, Oreoctistes; all races currently included within this species are clearly congeneric, but their placement in present genus is debatable. Race leucops is geographically remote from others, differs vocally and morphologically (differences far exceed those between all other races), and is a prime candidate for elevation to species rank. Validity of vividus and sordidus questionable, as individual variation renders both these and nominate virtually indistinguishable in large series. Putative race pallens (Assam, in NE India) is inseparable from nominate. Further research on vocal, behavioural and genetic differences between populations required. Four subspecies provisionally recognized.
Genus as currently constituted probably polyphyletic; in-depth analysis of morphology, voice, behaviour and genetics required to redefine its limits. Nominate race previously separated in genus Xanthixus or Xanthiscus, and leucops initially described in a monotypic genus, Oreoctistes; all races currently included within this species are clearly congeneric, but their placement in present genus is debatable. Race leucops is geographically remote from others, differs vocally and morphologically (differences far exceed those between all other races), and is a prime candidate for elevation to species rank. Validity of vividus and sordidus questionable, as individual variation renders both these and nominate virtually indistinguishable in large series. Putative race pallens (Assam, in NE India) is inseparable from nominate. Further research on vocal, behavioural and genetic differences between populations required. Four subspecies provisionally recognized.
Subspecies and Distribution:
- flavescens Blyth, 1845 - NE India (S Assam, Meghalaya, Nagaland, Lushai Hills, also reported NE Arunachal), NE Bangladesh (recent record from Sylhet) and W & SW Myanmar (including Arakan Hills).
- vividus (Stuart Baker, 1917) - S China (W & S Yunnan), N & E Myanmar, NW Thailand (S to Kaeng Krachan National Park), N & C Laos and N & C Vietnam.
- sordidus (Robinson & Kloss, 1919) - S Laos and S Vietnam (including Da Lat plateau).
- leucops (Sharpe, 1888) - N Borneo (Mt Kinabalu S to Gunung Mulu and Gunung Murud, and Gunung Lunjut).
- Least Concern Enlarge map
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An adult on the top of a branch, singing and flying away Locality Doi Inthanon National Park, North Western Thailand, Thailand (ssp vividus)
Josep del Hoyo 5 November 2004 4 years ago 25 sec 4.4 -
A bird perched, then joined by another one Locality Phan Thiet Road, Di Linh, Annam, Vietnam (ssp sordidus)
Josep del Hoyo 15 April 2008 3 years ago 40 sec 4.3 -
An adult preening on a wire, then being joined by a juvenile before both flying away Locality Doi Inthanon National Park, North Western Thailand, Thailand (ssp vividus)
Josep del Hoyo 5 November 2004 4 years ago 45 sec 4.3 -
rear perched view Locality Chong Yen, Mae Wong National Park, North Western Thailand, Thailand (ssp vividus)
Martin Kennewell 12 February 2012 12 weeks ago 31 sec 4.3 -
Two birds on a branch, flycatching, probably termites Locality Phan Thiet Road, Di Linh, Annam, Vietnam (ssp sordidus)
Josep del Hoyo 15 April 2008 3 years ago 29 sec 4.2 -
Two birds flying repeatedly from a branch to catch insects, probably termites Locality Phan Thiet Road, Di Linh, Annam, Vietnam (ssp sordidus)
Josep del Hoyo 15 April 2008 3 years ago 41 sec 4.1
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Bird on top of shrub
Locality Mount Kinabalu National Park, Sabah (Malaysia), Borneo (ssp leucops)
Desmond Allen 10 September 2002 20 weeks ago 4 -
An adult on a branch.
Locality Kaeng Krachan National Park, Western Thailand, Thailand (ssp vividus)
Christophe Gouraud 21 November 2009 2 years ago 4 -
A bird perched
Locality Doi Lang, North Western Thailand, Thailand
tanakorn 5 December 2009 2 years ago 3.8 -
Bird on ground
Locality Kaeng Krachan National Park, Western Thailand, Thailand
Klaus Lachenmaier 13 July 2005 1 year ago 3.5 -
Bird on top of shrub
Locality Mount Kinabalu National Park, Sabah (Malaysia), Borneo (ssp leucops)
Desmond Allen 10 September 2002 20 weeks ago 3.3 -
A bird in the vegetation.
Locality Doi Inthanon National Park, North Western Thailand, Thailand (ssp vividus)
Carmelo López 25 November 2008 7 weeks ago 3
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Several birds singing.
Locality Mount Kinabalu National Park, Sabah (Malaysia), Borneo
(ssp leucops)
Josep del Hoyo 10 August 1996 1 year ago 4 -
grating calls Locality Doi Inthanon National Park, North Western Thailand, Thailand
Desmond Allen 24 December 1998 2 years ago 3.7
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