LC
Rusty-flanked Treecreeper Certhia nipalensis



Taxonomy

Taxonomic note

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.
Sibley, C. G.; Monroe, B. L. 1990. Distribution and taxonomy of birds of the world. Yale University Press, New Haven, USA.

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 altitudinal migrant Forest dependency high
Land-mass type Average mass 11 g
Range

Estimate Data quality
Extent of Occurrence (breeding/resident) 682,000 km2
Extent of Occurrence (non-breeding) 775,000 km2
Severely fragmented? no -
Population
Estimate Data quality Derivation Year of estimate
Population size unknown - - -
Population trend decreasing - suspected -
Generation length 3.3 years - - -

Population justification: The global population size has not been quantified, but the species is reported to be fairly common in the Himalayas (Harrap and Quinn 1996).

Trend justification: The population is suspected to be in decline owing to ongoing habitat destruction and fragmentation.


Country/territory distribution
Country/Territory Presence Origin Resident Breeding visitor Non-breeding visitor Passage migrant
Bhutan extant native
China (mainland) extant native
India extant native
Myanmar extant native
Nepal extant native

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name
Nepal Annapurna Conservation Area
Nepal Khaptad National Park
Nepal Dhorpatan Hunting Reserve
Nepal Kanchenjungha Conservation Area
Nepal Langtang National Park
Nepal Mai Valley forests
Nepal Makalu Barun National Park
Nepal Phulchoki Mountain forests
Nepal Rara National Park
Nepal Sagarmatha National Park
Nepal Tamur valley and watershed
Nepal Shivapuri-Nagarjun National Park

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Forest Temperate major resident
Altitude 2000 - 3660 m Occasional altitudinal limits  

Recommended citation
BirdLife International (2023) Species factsheet: Certhia nipalensis. Downloaded from http://datazone.birdlife.org/species/factsheet/rusty-flanked-treecreeper-certhia-nipalensis on 11/12/2023.
Recommended citation for factsheets for more than one species: BirdLife International (2023) IUCN Red List for birds. Downloaded from http://datazone.birdlife.org on 11/12/2023.