LC
Western Russet Antshrike Thamnistes anabatinus



Taxonomy

Taxonomic note
Thamnistes anabatinus and T. aequatorialis (del Hoyo and Collar 2016) were previously lumped as T. anabatinus following AOU (1998 and supplements), SACC (2005 and updates), Sibley and Monroe (1990, 1993) and Stotz et al. (1996).

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
2016 Least Concern
Species attributes

Migratory status not a migrant Forest dependency High
Land mass type Average mass 20.70000076 g
Extent of occurrence (EOO)

Estimate Data quality
Extent of Occurrence breeding/resident (km2) 2,340,000 medium
Number of locations -
Fragmentation -
Population and trend
Estimate Data quality Derivation Year of estimate
No. of mature individuals poor estimated 2009
Population trend Decreasing suspected -
Decline (3 years/1 generation past) - - -
Decline (5 years/1 generation past) - - -
Decline (10 years/1 generation past) - - -
Decline (10 years/3 generation future) - - -
Decline (10 years/3 generation past and future) - - -
Number of subpopulations - - -
Largest subpopulations - - -
Generation length (yrs) 4.8 - - -

Population justification: The population size has not been estimated since the species was split.

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 Occurrence status Presence Resident Breeding Non-breeding Passage
Belize N Extant Yes
Colombia N Extant Yes
Costa Rica N Extant Yes
Ecuador N Extant Yes
Guatemala N Extant Yes
Honduras N Extant Yes
Mexico N Extant Yes
Nicaragua N Extant Yes
Panama N Extant Yes

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

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Forest Subtropical/Tropical Moist Lowland major resident
Forest Subtropical/Tropical Moist Montane major resident
Altitude 0 - 400 m Occasional altitudinal limits (max) 1700 m

Recommended citation
BirdLife International (2019) Species factsheet: Thamnistes anabatinus. Downloaded from http://www.birdlife.org on 11/11/2019. Recommended citation for factsheets for more than one species: BirdLife International (2019) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 11/11/2019.