Family Tanagers (Thraupidae)

Least Concern

Uniform Finch (Haplospiza unicolor)


French: Haplospize unicolore German: Einfarb-Ammertangare Spanish: Yal unicolor

Haplospiza unicolor


, 1851,

Rio Grande do Sul, Brazil




E Paraguay, NE Argentina (Misiones) and SE Brazil (S Minas Gerais and S Espírito Santo S to Rio Grande do Sul).

Descriptive notes

12·5 cm; 14–17·5 g. A slim finch with well-proportioned conical bill. Male is almost entirely blue-grey and un­streaked, paler on belly and vent; upperwing blackish with... read more


Song high-pitched and buzzy, and short, lasting from half-second to nearly a full second, beginning... read more


Humid forest borders and undergrowth where abundant bamboo (Guadua and Chusquea... read more

Food and feeding

Seeds of bamboo, appearing to prefer Guadua; also grass seeds and insects. Forages near and on ground; at times also higher.


Timing unclear, perhaps synchronized with bamboo flowering and seeding, specifically with the seeding of Guadua species; in... read more


Irruptive, moving to areas of flowering and seeding bamboo.

Status and conservation

Not globally threatened (Least Concern). Uncommon to rare throughout its range; becomes locally common where bamboo is seeding en masse. This species’ irruptive nature... read more

Recommended citation

Jaramillo, A. (2020). Uniform Finch (Haplospiza unicolor). 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).