LC
Eastern Olivaceous Woodcreeper Sittasomus griseicapillus



Taxonomy

Taxonomic note
Sittasomus griseicapillus and S. griseus (del Hoyo and Collar 2016) were previously lumped as S. griseicapillus following AOU (1998 & supplements), SACC (2005 & updates), Sibley & 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 Medium
Land mass type Average mass -
Extent of occurrence (EOO)

Estimate Data quality
Extent of Occurrence breeding/resident (km2) 13,700,000 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) 4.1 - - -

Population justification: Partners in Flight estimate the total population to number 5,000,000-50,000,000 individuals (A. Panjabi in litt. 2008).

Trend justification: This population is suspected to be in decline owing to ongoing habitat loss and degradation.


Country/territory distribution
Country/Territory Occurrence status Presence Resident Breeding Non-breeding Passage
Argentina N Extant Yes
Bolivia N Extant Yes
Brazil N Extant Yes
Colombia N Extant Yes
Ecuador N Extant Yes
French Guiana N Extant Yes
Guyana N Extant Yes
Paraguay N Extant Yes
Peru N Extant Yes
Suriname N Extant Yes
Uruguay N Extant Yes
Venezuela N Extant Yes

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

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Artificial/Terrestrial Plantations suitable resident
Artificial/Terrestrial Subtropical/Tropical Heavily Degraded Former Forest suitable resident
Forest Subtropical/Tropical Dry suitable resident
Forest Subtropical/Tropical Mangrove Vegetation Above High Tide Level suitable resident
Forest Subtropical/Tropical Moist Lowland major resident
Forest Subtropical/Tropical Moist Montane suitable resident
Forest Subtropical/Tropical Swamp suitable resident
Savanna Dry suitable resident
Shrubland Subtropical/Tropical Dry suitable resident
Altitude 0 - 2000 m Occasional altitudinal limits (max) 2300 m

Recommended citation
BirdLife International (2017) Species factsheet: Sittasomus griseicapillus. Downloaded from http://www.birdlife.org on 19/10/2017. Recommended citation for factsheets for more than one species: BirdLife International (2017) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 19/10/2017.