Family New World Sparrows (Passerellidae)

Near Threatened

Olive Finch (Arremon castaneiceps)


French: Tohi lysure German: Olivbuschammer Spanish: Cerquero capirrufo

Buarremon castaneiceps

P. L. Sclater

, 1860,

Río Napo, Ecuador


Sometimes considered conspecific with A. crassirostris (which see). Monotypic.


W Andes of Colombia (W slope S from Antioquia, also E slope in Nariño) S on both slopes in Ecuador to Peru (to Cajamarca and Amazonas; also on E slope from Pasco S to Marcapata Valley, in Cuzco).

Descriptive notes

15·5–16·5 cm; 34·5–39 g. A thickset, pot-bellied finch with relatively thick-based triangular bill. Face and throat to upper breast are dark... read more


Song a pleasant yet fast series of high-pitched sibilant whistles, duration more than 10 seconds,... read more


Occupies dense understorey in humid lower montane forest, also vine tangles in ravines or at forest... read more

Food and feeding

Poorly known. No details of diet. Forages at or near ground.


Season mainly Mar–Apr in NE Ecuador (Napo); twelve nests studied in Napo: nest is a large green ball of moss, rootlets and live fern... read more



Status and conservation

Not globally threatened. Local and uncommon to rare. Rare to uncommon and local in Ecuador; rare and local in Peru. Possibly overlooked. Has a moderately sized global range,... read more

Recommended citation

Jaramillo, A. & de Juana, E. (2020). Olive Finch (Arremon castaneiceps). 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 28 February 2020).