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Xavier's Greenbul Phyllastrephus xavieri

IUCN Red List history

Year Category
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 -

Distribution

  Estimate Data quality
Extent of Occurrence breeding/resident (km2) 969,000 medium
Number of locations -
Fragmentation -

Population & trend

  Estimate Data quality Derivation Year of estimate
No. of mature individuals Unknown not applicable Not Applicable 0
Population trend Stable -
Number of subpopulations - - -
Largest subpopulation - - -
Generation length (yrs) 4.5 - - -
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).
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 Breeding Non-breeding Passage Resident
Cameroon Native Extant       Yes
Central African Republic Native Extant       Yes
Congo Native Extant       Yes
Congo, The Democratic Republic of the Native Extant       Yes
Equatorial Guinea Native Extant       Yes
Gabon Native Extant       Yes
Nigeria Native Extant       Yes
Tanzania Native Extant       Yes
Uganda Native Extant       Yes

Important Bird Areas where this species has triggered the IBA criteria

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

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 - 0 m Occasional altitudinal limits  

Recommended citation
BirdLife International (2014) Species factsheet: Phyllastrephus xavieri. Downloaded from http://www.birdlife.org on 22/09/2014. Recommended citation for factsheets for more than one species: BirdLife International (2014) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 22/09/2014.

This information is based upon, and updates, the information published in BirdLife International (2000) Threatened birds of the world. Barcelona and Cambridge, UK: Lynx Edicions and BirdLife International, BirdLife International (2004) Threatened birds of the world 2004 CD-ROM and BirdLife International (2008) Threatened birds of the world 2008 CD-ROM. These sources provide the information for species accounts for the birds on the IUCN Red List.

To provide new information to update this factsheet or to correct any errors, please email BirdLife

To contribute to discussions on the evaluation of the IUCN Red List status of Globally Threatened Birds, please visit BirdLife's Globally Threatened Bird Forums.

Key facts
Current IUCN Red List category Least Concern
Family Pycnonotidae (Bulbuls)
Species name author (Oustalet, 1892)
Population size Unknown mature individuals
Population trend Stable
Distribution size (breeding/resident) 969,000 km2
Country endemic? No
Links to further information
- Summary information on this species
- Projected distributions under climate change