Family Treecreepers (Certhiidae)

Least Concern

Rusty-flanked Treecreeper (Certhia nipalensis)


French: Grimpereau du Népal German: Rostflanken-Baumläufer Spanish: Agateador nepalés

C[erthia]. nipalensis


, 1845,



Occasionally considered a race of C. familiaris, but no grounds for such treatment. Molecular genetic studies (cytochrome b) indicate that C. tianquanensis is its closest relative. Monotypic.


Himalayas from N India (Uttarakhand, Arunachal Pradesh) E to E Bhutan, also S China (SE Xizang, extreme W Yunnan W of R Salween) and NE Myanmar (SE Kachin).

Descriptive notes

14 cm; 8–12g. A rather dark treecreeper with strong contrast below between off-white throat and breast and cinnamon lower underparts, and relatively short and straight... read more


Generally rather quiet. Calls include thin “sit” and penetrating “zip”. Song a short (0·8–1... read more


Breeds in upper temperate zone, extending marginally into subalpine zone, in moist broadleaf... read more

Food and feeding

Food arthropods. Forages on trunks and lower branches of trees, including underside of large horizontal boughs, searching for food among... read more


Poorly known. Season apparently early (at least in Nepal), Apr–Jun. Only recorded nest (in mid-Apr) was a simple, loose construction... read more


Resident, with some seasonal altitudinal movements.

Status and conservation

Not globally threatened. Fairly common in Himalayas and not uncommon in NE Myanmar; reportedly rare in China. As all treecreepers, is easy to overlook. In India, apparently... read more

Recommended citation

Harrap, S. (2020). Rusty-flanked Treecreeper (Certhia nipalensis). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from on 23 January 2020).