Black-faced Ibis (Theristicus melanopis) | Details

Black-faced Ibis Theristicus melanopis

Current view: Data table and detailed info

Taxonomy

Taxonomic note

Theristicus melanopis and T. branickii (del Hoyo and Collar 2014) were previously lumped as T. melanopis following SACC (2005), and before then were split as T. melanopis and T. branickii following Sibley and Monroe (1990, 1993).

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
2016	Least Concern
2014	Least Concern
2012	Not Recognised
2008	Not Recognised
2006	Not Recognised
2004	Least Concern
2000	Least Concern
1994	Lower Risk/Least Concern
1988	Lower Risk/Least Concern

Species attributes

Migratory status	full migrant	Forest dependency	low
Land-mass type		Average mass	-

Range

	Estimate	Data quality
Extent of Occurrence (breeding/resident)	5,090,000 km²
Extent of Occurrence (non-breeding)	4,230,000 km²
Severely fragmented?	no	-

Population

	Estimate	Data quality	Derivation	Year of estimate
Population size	unknown	poor	estimated	2014
Population trend	stable	-	suspected	-
Generation length	9.6 years	-	-	-

Population justification: The population is estimated to number 25,000-100,000 individuals (Wetlands International 2014).

Trend justification: The population was considered to be stable between 1990-2000 (Wetlands International 2014).

Country/territory distribution

Country/Territory	Presence	Origin	Resident	Breeding visitor	Non-breeding visitor
Argentina	extant	native	yes	yes	yes
Chile	extant	native	yes		yes
Peru	extant	native	yes

Important Bird and Biodiversity Areas (IBA)

Country/Territory	IBA Name
Ecuador	Parque Nacional Cotopaxi

Habitats & altitude

Habitat (level 1)	Habitat (level 2)	Importance	Occurrence
Artificial/Terrestrial	Pastureland	suitable
Forest	Temperate	suitable	resident
Grassland	Temperate	major
Wetlands (inland)	Permanent Freshwater Lakes (over 8ha)	suitable
Wetlands (inland)	Permanent Rivers/Streams/Creeks (includes waterfalls)	suitable
Altitude	0 - 3000 m	Occasional altitudinal limits

Recommended citation
BirdLife International (2024) Species factsheet: Black-faced Ibis Theristicus melanopis. Downloaded from https://datazone.birdlife.org/species/factsheet/black-faced-ibis-theristicus-melanopis on 18/12/2024.
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 18/12/2024.