LC
Sulphur-bellied Whistler Pachycephala sulfuriventer



Taxonomy

Taxonomic note

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.
Sibley, C. G.; Monroe, B. L. 1990. Distribution and taxonomy of birds of the world. Yale University Press, New Haven, USA.

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

Red List history
Year Category Criteria
2016 Least Concern
2012 Least Concern
2009 Least Concern
2008 Least Concern
2004 Least Concern
2000 Lower Risk/Least Concern
1994 Lower Risk/Least Concern
1988 Lower Risk/Least Concern
Species attributes

Migratory status not a migrant Forest dependency high
Land-mass type Average mass -
Range

Estimate Data quality
Extent of Occurrence (breeding/resident) 267,000 km2
Severely fragmented? no -
Population
Estimate Data quality Derivation Year of estimate
Population size unknown - - -
Population trend decreasing - suspected -
Generation length 6.7 years - - -

Population justification: The global population size has not been quantified, but the species is described as widespread and generally common (del Hoyo et al. 2007).

Trend justification: This population is estimated to be in decline owing to ongoing habitat loss and degradation (del Hoyo et al. 2007).


Country/territory distribution
Country/Territory Presence Origin Resident Breeding visitor Non-breeding visitor Passage migrant
Indonesia extant native yes

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name
Indonesia Gunung Simbalang
Indonesia Tangkoko Dua Sudara
Indonesia Mahawu - Masarang
Indonesia Gunung Klabat
Indonesia Bogani Nani Wartabone
Indonesia Lore Lindu
Indonesia Morowali
Indonesia Mekongga
Indonesia Feruhumpenai - Matano
Indonesia Karaeng - Lompobattang
Indonesia Pegunungan Latimojong

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Forest Subtropical/Tropical Moist Lowland suitable resident
Forest Subtropical/Tropical Moist Montane major resident
Altitude   Occasional altitudinal limits  

Recommended citation
BirdLife International (2023) Species factsheet: Pachycephala sulfuriventer. Downloaded from http://datazone.birdlife.org/species/factsheet/sulphur-bellied-whistler-pachycephala-sulfuriventer on 29/11/2023.
Recommended citation for factsheets for more than one species: BirdLife International (2023) IUCN Red List for birds. Downloaded from http://datazone.birdlife.org on 29/11/2023.