LC
Grey-bellied Shrike-tyrant Agriornis micropterus



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: #http://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
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 68 g
Range

Estimate Data quality
Extent of Occurrence (breeding/resident) 2,570,000 km2 medium
Extent of Occurrence (non-breeding) 4,030,000 km2 medium
Severely fragmented? no -
Population
Estimate Data quality Derivation Year of estimate
Population size unknown - - -
Population trend stable - suspected -
Generation length 3.6 years - - -

Population justification: The global population size has not been quantified, but this species is described as 'uncommon' (Stotz et al. 1996).

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 Passage migrant
Argentina extant native yes
Bolivia extant native
Chile extant native
Paraguay extant native
Peru extant native
Uruguay extant native

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name

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 High Altitude suitable breeding
Grassland Subtropical/Tropical High Altitude suitable non-breeding
Shrubland Subtropical/Tropical Dry major breeding
Shrubland Subtropical/Tropical Dry major non-breeding
Shrubland Subtropical/Tropical High Altitude major breeding
Shrubland Subtropical/Tropical High Altitude major non-breeding
Shrubland Temperate major breeding
Altitude 0 - 5000 m Occasional altitudinal limits  

Recommended citation
BirdLife International (2024) Species factsheet: Agriornis micropterus. Downloaded from https://datazone.birdlife.org/species/factsheet/grey-bellied-shrike-tyrant-agriornis-micropterus on 02/03/2024.
Recommended citation for factsheets for more than one species: BirdLife International (2024) IUCN Red List for birds. Downloaded from https://datazone.birdlife.org on 02/03/2024.