Yellow-billed Malkoha (Rhamphococcyx calyorhynchus)

Yellow-billed Malkoha Rhamphococcyx calyorhynchus

Current view: Data table and detailed info

Taxonomy

Taxonomic note
Rhamphococcyx calyorhynchus (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	-

Distribution

	Estimate	Data quality
Extent of Occurrence breeding/resident (km2)	430,000
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	Decreasing		inferred	-
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		-	-	-
Generation length (yrs)	4.2	-	-	-

Population justification: The global population size has not been quantified, but the species is reported to be locally common (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	Occurrence status	Presence	Resident	Breeding	Non-breeding	Passage
Indonesia	N	Extant		Yes

Important Bird and Biodiversity Areas (IBA)

Country/Territory	IBA Name

Habitats & altitude

Habitat (level 1)	Habitat (level 2)	Importance	Occurrence
Artificial/Terrestrial	Plantations	suitable	resident
Forest	Subtropical/Tropical Moist Lowland	suitable	resident
Shrubland	Subtropical/Tropical Dry	suitable	resident
Altitude	0 - 1300 m	Occasional altitudinal limits

Recommended citation
BirdLife International (2023) Species factsheet: Rhamphococcyx calyorhynchus. Downloaded from http://www.birdlife.org on 08/02/2023. Recommended citation for factsheets for more than one species: BirdLife International (2023) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 08/02/2023.