LC
Red-billed Malkoha Zanclostomus javanicus



Taxonomy

Taxonomic note
Zanclostomus javanicus (del Hoyo and Collar 2014) was previously placed in the genus Phaenicophaeus.

Taxonomic source(s)
del Hoyo, J., Collar, N.J., Christie, D.A., Elliott, A. and Fishpool, L.D.C. 2014. HBW and BirdLife International Illustrated Checklist of the Birds of the World. Volume 1: Non-passerines. Lynx Edicions 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
2018 Least Concern
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 medium
Land-mass type Average mass 109 g
Range

Estimate Data quality
Extent of Occurrence (breeding/resident) 4,300,000 km2
Severely fragmented? no -
Population
Estimate Data quality Derivation Year of estimate
Population size unknown - - -
Population trend decreasing - inferred -
Generation length 4.2 years - - -

Population justification: The global population size has not been quantified, but the species is reported to be generally uncommon to rare (del Hoyo et al. 1997).

Trend justification:

The species is tentatively assessed as being in decline due to habitat loss per Tracewski et al. (2016).


Country/territory distribution
Country/Territory Presence Origin Resident Breeding visitor Non-breeding visitor Passage migrant
Brunei extant native yes
Indonesia extant native yes
Malaysia extant native yes
Myanmar extant native yes
Singapore extinct native yes
Thailand extant native yes

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name
Malaysia Belum-Temenggor
Malaysia Bintang Range
Malaysia Central Titiwangsa Range
Malaysia Danum Valley Conservation Area
Malaysia Endau-Rompin
Malaysia Gunung Penrissen
Malaysia Kabili-Sepilok
Malaysia Kelabit Highlands
Malaysia Kinabatangan floodplain
Malaysia Kledang Range
Malaysia Krau Wildlife Reserve
Malaysia Lambir Hills National Park
Malaysia Lanjak Entimau Wildlife Sanctuary
Malaysia Maliau Basin Conservation Area
Malaysia Mount Kinabalu
Malaysia Mulu - Buda Protected Area
Malaysia Nakawan Range
Malaysia Niah National Park
Malaysia Panti forest
Malaysia Pondok Tanjung Forest Reserve
Malaysia Selangor Heritage Park
Malaysia Similajau National Park
Malaysia South-east Pahang peat swamp forest
Malaysia Tabin Wildlife Reserve
Malaysia Taman Negara National Park
Malaysia Ulu Muda

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Forest Subtropical/Tropical Dry suitable resident
Shrubland Subtropical/Tropical Dry suitable resident
Altitude 0 - 1000 m Occasional altitudinal limits  

Utilisation
Purpose Scale
Pets/display animals, horticulture subsistence, national

Recommended citation
BirdLife International (2024) Species factsheet: Red-billed Malkoha Zanclostomus javanicus. Downloaded from https://datazone.birdlife.org/species/factsheet/red-billed-malkoha-zanclostomus-javanicus on 23/12/2024.
Recommended citation for factsheets for more than one species: BirdLife International (2024) IUCN Red List for birds. Downloaded from https://datazone.birdlife.org/species/search on 23/12/2024.