Lesser Shrike-tyrant (Agriornis murinus) - BirdLife species factsheet

Lesser Shrike-tyrant Agriornis murinus

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.
SACC. 2005 and updates. A classification of the bird species of South America. Available at: https://www.museum.lsu.edu/~Remsen/SACCBaseline.htm.

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	full migrant	Forest dependency	does not normally occur in forest
Land-mass type		Average mass	-

Range

	Estimate	Data quality
Extent of Occurrence (breeding/resident)	1,050,000 km²	medium
Extent of Occurrence (non-breeding)	1,780,000 km²	medium
Severely fragmented?	no	-

Population

	Estimate	Data quality	Derivation	Year of estimate
Population size	unknown	-	-	-
Population trend	stable	-	suspected	-
Generation length	3.08 years	-	-	-

Population justification: The global population size has not been quantified, but this species is described as 'fairly common' (Stotz et al. (1996). This population is suspected to be stable in the absence of evidence for any declines or substantial threats.

Trend justification: This 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 visitor	Non-breeding visitor
Argentina	extant	native	yes	yes	yes
Bolivia	extant	native			yes
Paraguay	extant	native
Uruguay	extant	native			yes

Important Bird and Biodiversity Areas (IBA)

Country/Territory	IBA Name
Argentina	Area Natural Protegida El Mangrullo
Argentina	Monumento Natural Bosques Petrificados y Estancia El Cuadro
Argentina	Parque Nacional Laguna Blanca
Argentina	Reserva Costa Atlántica de Tierra del Fuego y zonas adyacentes
Argentina	Valle del Río Collón Curá

Habitats & altitude

Habitat (level 1)	Habitat (level 2)	Importance	Occurrence
Artificial/Terrestrial	Arable Land	suitable	non-breeding
Artificial/Terrestrial	Pastureland	suitable	non-breeding
Grassland	Subtropical/Tropical Dry	major	non-breeding
Grassland	Subtropical/Tropical Dry	major	breeding
Shrubland	Subtropical/Tropical Dry	major	non-breeding
Shrubland	Subtropical/Tropical Dry	major	breeding
Altitude	0 - 3490 m	Occasional altitudinal limits

Recommended citation
BirdLife International (2024) Species factsheet: Lesser Shrike-tyrant Agriornis murinus. Downloaded from https://datazone.birdlife.org/species/factsheet/lesser-shrike-tyrant-agriornis-murinus on 23/11/2024.
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 23/11/2024.