Xavier's Greenbul (Phyllastrephus xavieri) | Details

Xavier's Greenbul Phyllastrephus xavieri

Current view: Data table and detailed info

Taxonomy

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
2024	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	high
Land-mass type		Average mass	-

Range

	Estimate	Data quality
Extent of Occurrence (breeding/resident)	1,930,000 km²	medium
Severely fragmented?	no	-

Population

	Estimate	Data quality	Derivation	Year of estimate
Population size	unknown	-	-	-
Population trend	stable	-	suspected	-
Generation length	3.67 years	-	-	-

Population justification: The global population size has not been quantified, but the species is described as locally common to uncommon (del Hoyo et al. 2005). The population is suspected to be stable in the absence of evidence for any declines or substantial threats.

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	Presence	Origin	Resident
Cameroon	extant	native	yes
Central African Republic	extant	native	yes
Congo	extant	native	yes
Congo, The Democratic Republic of the	extant	native	yes
Equatorial Guinea	extant	native	yes
Gabon	extant	native	yes
Nigeria	extant	native	yes
Tanzania	extant	native	yes
Uganda	extant	native	yes

Important Bird and Biodiversity Areas (IBA)

Country/Territory	IBA Name
Cameroon	Bakossi mountains
Cameroon	Banyang Mbo Wildlife Sanctuary
Cameroon	Boumba - Bek
Cameroon	Campo Ma'an complex
Cameroon	Korup National Park
Cameroon	Lobéké National Park
Cameroon	Mbam Minkom - Kala
Cameroon	Mont Nlonako
Cameroon	Mount Cameroon and Mokoko-Onge
Cameroon	Mount Kupe
Cameroon	Nki
Cameroon	Yabassi
Central African Republic	Bangui
Central African Republic	Dzanga-Ndoki National Park
Central African Republic	Ngotto
Congo	Lake Télé Community Reserve
Congo	Nouabalé-Ndoki National Park complex
Congo	Ntokou Pikounda Reserve
Congo	Odzala National Park complex
Congo, The Democratic Republic of the	Itombwe Mountains
Congo, The Democratic Republic of the	Kahuzi-Biega National Park
Congo, The Democratic Republic of the	Mount Hoyo Reserve
Congo, The Democratic Republic of the	Okapi Faunal Reserve
Congo, The Democratic Republic of the	Virunga National Park
Equatorial Guinea	Monte Alen National Park
Equatorial Guinea	Nsork Highlands National Park
Gabon	Gamba Protected Areas Complex
Gabon	Ipassa Strict Nature Reserve
Gabon	Lopé Faunal Reserve
Gabon	Minkébé Forest Reserve
Nigeria	Cross River National Park (Oban Division)
Tanzania	Minziro Forest Reserve
Uganda	Budongo Forest Reserve
Uganda	Bugoma Central Forest Reserve
Uganda	Kasyoha-Kitomi Forest Reserve
Uganda	Queen Elizabeth National Park and Lake George
Uganda	Sango Bay area
Uganda	Semliki National Park

Habitats & altitude

Habitat (level 1)	Habitat (level 2)	Importance	Occurrence
Forest	Subtropical/Tropical Moist Lowland	major	resident
Forest	Subtropical/Tropical Moist Montane	suitable	resident
Forest	Subtropical/Tropical Swamp	suitable	resident
Altitude	0 - 1500 m	Occasional altitudinal limits

Recommended citation
BirdLife International (2024) Species factsheet: Xavier's Greenbul Phyllastrephus xavieri. Downloaded from https://datazone.birdlife.org/species/factsheet/xaviers-greenbul-phyllastrephus-xavieri 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.