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Glacier Finch - BirdForum Opus

(Redirected from White-winged Diuca Finch)
Photo © by lior kislev
Ticlioo pass, Peru, December 2009

Alternative name: White-winged Diuca Finch

Idiopsar speculifer

Diuca speculifera
Chionodacryon speculiferum

Identification

17·5–19 cm (6¾-7½ in) Grey above, black wings, white crescent below the eye, white patch on the wing and a white throat; the edges of the tail are also white.

Similar species

Diuca Finch at much lower elevation lacks the white crescent under the eye. White-throated Sierra-Finch lacks white in tail and wings.

Distribution

South America: found in Peru, Bolivia, Argentina and Chile.

Taxonomy

This species used to be placed in genus Diuca but was found to not be closely related to Diuca Finch.

Subspecies

Two subspecies are recognized[1]:

  • I. s. magnirostris:
  • Andes of central Peru (Ancash and Junín)
  • I. s. speculifera:

Habitat

They breed in alpine crags and glaciers, using bofedal marshes for foraging.

Behaviour

Diet

Their diet is not well know, but probably includes seeds and arthropods. Feeds on the ground.

Breeding

Can nest at really high elevations. They construct a bulky nest from grass and twigs with a deep cup. They time their breeding effort for the end of the wet season.

References

  1. Clements, J. F., T. S. Schulenberg, M. J. Iliff, S. M. Billerman, T. A. Fredericks, J. A. Gerbracht, D. Lepage, B. L. Sullivan, and C. L. Wood. 2021. The eBird/Clements checklist of Birds of the World: v2021. Downloaded from https://www.birds.cornell.edu/clementschecklist/download/
  2. Ridgely and Tudor 2009. Field guide to the songbirds of South America - The Passerines. University of Texas Press. ISBN 978-0-292-71979-8
  3. Alvaro Jaramillo. 2003. Birds of Chile. Princeton Field Guides. ISBN 0-691-11740-3
  4. Handbook of the Birds of the World Alive (retrieved July 2018)

Recommended Citation

External Links

GSearch checked for 2020 platform.

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