Family Tanagers (Thraupidae)

Near Threatened

Slender-billed Finch (Xenospingus concolor)


French: Xénospingue uniforme German: Feinschnabel-Grautangare Spanish: Yal picofino

Sylvia concolor

d’Orbigny and Lafresnaye

, 1837,

Arica, Chile


Overall appearance and distribution correctly link this species to Piezorina cinerea, but differences in structure, behaviour and genetics militate against congeneric treatment. Monotypic.


S Peru from S Lima (R Rímac) S to Tacna, and NW Chile S to N Antofagasta (R Loa).

Descriptive notes

15–17 cm; 20–22 g. A very long and slim finch, with tail and bill long and slender, as is body, and legs proportionately long; bill distinctive in shape and very... read more


Song choppy-sounding, delivered slowly (2 elements per second), a series of single whistles, each... read more


Desert valleys, where it prefers areas with dense riparian shrubbery adjacent to more open areas or... read more

Food and feeding

Mainly insects; seeds appear to form relatively unimportant part of diet; takes fruit on occasion. Foraging mostly in dense shrubbery.... read more


Season Dec–Jun in S Peru. Both members of pair present during nest-building, but apparently only female builds nest, a globular mass... read more


Sedentary; vagrant reported in Putre (Parinacota Province), in NE Chile.

Status and conservation

Not globally threatened. Currently considered Near-threatened. Fairly common in Chilean part of range; less common and more local in Peru. No data on global population total... read more

Recommended citation

Jaramillo, A. (2020). Slender-billed Finch (Xenospingus concolor). 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 19 February 2020).