LC
Flavescent Bulbul Pycnonotus flavescens



Taxonomy

Taxonomic note
Pycnonotus flavescens and P. leucops (del Hoyo and Collar 2016) were previously lumped as P. flavescens following Sibley & Monroe (1990, 1993).

Taxonomic source(s)
del Hoyo, J., Collar, N.J., Christie, D.A., Elliott, A., Fishpool, L.D.C., Boesman, P. and Kirwan, G.M. 2016. HBW and BirdLife International Illustrated Checklist of the Birds of the World. Volume 2: Passerines. Lynx Edicions and BirdLife International, Barcelona, Spain and Cambridge, UK.

IUCN Red list criteria met and history
Red List criteria met
Critically Endangered Endangered Vulnerable
- - -

Red List history
Year Category Criteria
2016 Least Concern
Species attributes

Migratory status altitudinal migrant Forest dependency Medium
Land mass type Average mass 29 g
Distribution

Estimate Data quality
Extent of Occurrence breeding/resident (km2) 2,160,000
Number of locations -
Severely Fragmented -
Population and trend
Value Data quality Derivation Year of estimate
No. of mature individuals unknown not applicable not applicable 0
Population trend Stable suspected -
Decline (3 years/1 generation past) - - -
Decline (5 years/1 generation past) - - -
Decline (10 years/1 generation past) - - -
Decline (10 years/3 generation future) - - -
Decline (10 years/3 generation past and future) - - -
Number of subpopulations - - -
Percentage in largest subpopulation - - -

Population justification: The global population size has not been quantified, but the species is described as locally abundant throughout much of its range (del Hoyo et al. 2005).

Trend justification: The population is suspected to be stable in the absence of evidence for any declines or substantial threats.


Country/territory distribution
Country/Territory Occurrence status Presence Resident Breeding Non-breeding Passage
Bangladesh N Extant Yes
China (mainland) N Extant Yes
India N Extant Yes
Laos N Extant Yes
Myanmar N Extant Yes
Thailand N Extant Yes
Vietnam N Extant Yes

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name
Vietnam Chu Yang Sin
Vietnam Bi Dup
Vietnam Lang Bian
Vietnam Phuoc Binh
Vietnam Tuyen Lam
Vietnam Kon Plong
Vietnam Tay Con Linh
Vietnam Cong Troi
Vietnam Van Ban
Thailand Doi Chiang Dao
Thailand Mae Fang
Thailand Mae Lao - Mae Sae
Thailand Doi Phukha
Thailand Nanthaburi
Thailand Umphang
Thailand Thung Yai - Naresuan
Thailand Huai Kha Khaeng
Thailand Kaeng Krachan
Laos Nam Et
Laos Phou Loeuy
Laos Nam Ha
Laos Dakchung Plateau
Laos Eastern Bolikhamxay Mountains
Vietnam Bi Dup - Nui Ba

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Artificial/Terrestrial Subtropical/Tropical Heavily Degraded Former Forest suitable resident
Forest Subtropical/Tropical Moist Lowland suitable resident
Forest Subtropical/Tropical Moist Montane major resident
Shrubland Subtropical/Tropical High Altitude suitable resident
Shrubland Subtropical/Tropical Moist suitable resident
Altitude 800 - 2100 m Occasional altitudinal limits 450 - 3500 m

Utilisation
Purpose Primary form used Life stage used Source Scale Level Timing
Pets/display animals, horticulture - - International Non-trivial Recent

Recommended citation
BirdLife International (2022) Species factsheet: Pycnonotus flavescens. Downloaded from http://www.birdlife.org on 27/11/2022. Recommended citation for factsheets for more than one species: BirdLife International (2022) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 27/11/2022.