Slaty Vireo (Vireo brevipennis) - BirdLife species factsheet

Slaty Vireo Vireo brevipennis

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
2021	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/Near Threatened
1988	Near Threatened

Species attributes

Migratory status	not a migrant	Forest dependency	low
Land-mass type		Average mass	-

Distribution

	Estimate	Data quality
Extent of Occurrence breeding/resident (km²)	202,000	medium
Severely fragmented?	no	-

Population and trend

	Value	Data quality	Derivation	Year of estimate
Number of mature individuals	20000-49999	poor	suspected	2019
Population trend	decreasing		suspected	-
Generation length (years)	2.47	-	-	-

Population justification: The global population is suspected to number fewer than 50,000 mature individuals (Partners in Flight 2019); thus it is here placed in the band 20,000-49,999 mature individuals.

Trend justification: The species is undergoing a moderate decline (Partners in Flight 2019).

Country/territory distribution

Country/Territory	Presence	Origin	Resident	Breeding	Non-breeding	Passage
Mexico	extant	native	yes

Important Bird and Biodiversity Areas (IBA)

Country/Territory	IBA Name
Mexico	Sierra de Zongolica-Tenango

Habitats & altitude

Habitat (level 1)	Habitat (level 2)	Importance	Occurrence
Forest	Subtropical/Tropical Moist Lowland	suitable	resident
Forest	Subtropical/Tropical Moist Montane	suitable	resident
Shrubland	Subtropical/Tropical Dry	major	resident
Shrubland	Subtropical/Tropical High Altitude	suitable	resident
Shrubland	Subtropical/Tropical Moist	suitable	resident
Altitude	1200 - 3000 m	Occasional altitudinal limits

Recommended citation
BirdLife International (2023) Species factsheet: Vireo brevipennis. Downloaded from http://datazone.birdlife.org/species/factsheet/slaty-vireo-vireo-brevipennis on 01/10/2023. Recommended citation for factsheets for more than one species: BirdLife International (2023) IUCN Red List for birds. Downloaded from http://datazone.birdlife.org on 01/10/2023.