LC
Mouse-colored Thistletail Asthenes griseomurina



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 not a migrant Forest dependency low
Land-mass type Average mass 18 g
Range

Estimate Data quality
Extent of Occurrence (breeding/resident) 24,600 km2 medium
Severely fragmented? no -
Population
Estimate Data quality Derivation Year of estimate
Population size unknown - - -
Population trend decreasing - suspected -
Generation length 2.81 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 in decline owing to ongoing habitat destruction (del Hoyo et al. 2003).

Trend justification: This population is suspected to be in decline owing to ongoing habitat destruction (del Hoyo et al. 2003).


Country/territory distribution
Country/Territory Presence Origin Resident Breeding visitor Non-breeding visitor Passage migrant
Ecuador extant native yes
Peru extant native yes

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name
Ecuador Bosque Protector Colambo-Yacuri
Ecuador Cajas-Mazán
Ecuador Cordillera del Cóndor
Ecuador Montañas de Zapote-Najda
Ecuador Parque Nacional Podocarpus
Ecuador Yanuncay-Yanasacha
Peru Cerro Chinguela

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Forest Subtropical/Tropical Moist Montane suitable resident
Grassland Subtropical/Tropical High Altitude major resident
Shrubland Subtropical/Tropical High Altitude major resident
Altitude 1730 - 4000 m Occasional altitudinal limits  

Recommended citation
BirdLife International (2024) Species factsheet: Mouse-colored Thistletail Asthenes griseomurina. Downloaded from https://datazone.birdlife.org/species/factsheet/mouse-colored-thistletail-asthenes-griseomurina on 22/11/2024.
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 22/11/2024.