Family Tanagers (Thraupidae)

Least Concern

White-winged Diuca-finch (Chionodacryon speculiferum)


Taxonomy

French: Idiopsar leucoptère German: Spiegelammertangare Spanish: Diuca aliblanca
Taxonomy:

Emberiza speculifera

d’Orbigny and Lafresnaye

, 1837,

Bolivia

.

Race magnirostre doubtfully distinct from nominate. Two subspecies provisionally recognized.

Subspecies and Distribution
  • C. s. magnirostre (Carriker, 1935) – highlands of C Peru (Ancash to Junín and Huancavelica).
  • C. s. speculiferum (d’Orbigny & Lafresnaye, 1837) – Andes of SC & S Peru (S from Arequipa, Cuzco and Puno; probably also this race in Ayacucho and Apurímac), N Chile (Arica–Parinacota and Tarapacá) and W Bolivia (La Paz, Cochabamba and NW Oruro), possibly NW Argentina (Jujuy).
  • Descriptive notes

    17·5–19 cm. A large finch with relatively long, stout bill, thickset body, and very long wings; bold white patches in plumage. Nominate race has head mostly grey, blackish on... read more

    Voice

    Possible song a very simple repetition of various short notes with wide intervals between elements... read more

    Habitat

    Breeds in alpine rocky crags and even glaciers, foraging in bofedal wetlands (“cushion... read more

    Food and feeding

    Diet not studied; likely a mix of arthropods and seeds. Forages on ground, in pairs. Forages with body close to ground, often crouching... read more

    Breeding

    Season begins at end of wet season, in Apr, and continues to Aug. Nest a bulky structure of grass and twigs, with well-made, deep cup near... read more

    Movements

    Sedentary. During intense snow storms may temporarily descend to lower elevations, returning... read more

    Status and conservation

    Not globally threatened (Least Concern). Reasonably common throughout its range. Because it is restricted to the highest Altiplano region, global warming may restrict its... read more

    Recommended citation

    Jaramillo, A. (2017). White-winged Diuca-finch (Chionodacryon speculiferum). 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 http://www.hbw.com/node/62049 on 23 August 2017).