Sao Tome Weaver (Ploceus sanctithomae) - BirdLife species factsheet

Sao Tome Weaver Ploceus sanctithomae

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
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)	970	medium
Severely fragmented?	no	-

Population and trend

	Value	Data quality	Derivation	Year of estimate
Number of mature individuals	unknown	not applicable	not applicable	0
Population trend	stable		suspected	-
Generation length (years)	4	-	-	-

Population justification: The global population size has not been quantified, but the species is described as common to locally abundant (Fry and Keith 2004).

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	Breeding	Non-breeding	Passage
São Tomé e Príncipe	extant	native		yes

Important Bird and Biodiversity Areas (IBA)

Country/Territory	IBA Name
São Tomé e Príncipe	São Tomé lowland forests
São Tomé e Príncipe	São Tomé montane and cloud-forests
São Tomé e Príncipe	São Tomé northern savannas
São Tomé e Príncipe	Parque Natural Obô de São Tomé e Zona Tampão

Habitats & altitude

Habitat (level 1)	Habitat (level 2)	Importance	Occurrence
Forest	Subtropical/Tropical Moist Lowland	major	resident
Forest	Subtropical/Tropical Moist Montane	suitable	resident
Altitude	0 - 1600 m	Occasional altitudinal limits

Recommended citation
BirdLife International (2023) Species factsheet: Ploceus sanctithomae. Downloaded from http://datazone.birdlife.org/species/factsheet/sao-tome-weaver-ploceus-sanctithomae on 23/09/2023. Recommended citation for factsheets for more than one species: BirdLife International (2023) IUCN Red List for birds. Downloaded from http://datazone.birdlife.org on 23/09/2023.