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White-naped Brushfinch - BirdForum Opus

Revision as of 16:57, 12 March 2016 by Deliatodd-18346 (talk | contribs) (Picture of nominate. Distribution amended. List of references)
White-naped Brushfinch, subspecies albinucha
Photo by Raul Padilla
San Bartolo Tutotepec, Mexico, March 2016
Atlapetes albinucha

Includes Yellow-throated Brush-Finch

Identification

Two different groups:

White-naped Brush-Finch

Upperside dark gray to black, head with white stripe on central crown down to start of nape. Underside yellow, becoming more dusky towards the rear.

Yellow-throated Brushfinch, subspecies gutturalis
Photo by Pitter
Dapa, Valle de Cauca, Colombia, May 2012

Yellow-throated Brush-Finch

Differ from the White-naped type in having yellow limited to the throat; the rest of the underside varies from pale gray washed brownish on flanks to white washed with olive.

Distribution & Taxonomy

Two groups which differ remarkably and are sometimes treated as two species:

White-naped Brush-Finch

  • A.a. albinucha:
  • Limited to Atlantic slope in Mexico, in Puebla and from Veracruz to northern Chiapas (and possibly adjacent Guatemala). There is no overlap in range with Yellow-throated Brush-Finch.

Yellow-throated Brush-Finch

This form is found from southern Mexico to Panama and Colombia.

  • A.a. gutturalis (if considered a full species, this is the nominate subspecies of the species Atlapetes gutturalis):
  • Upper tropical and subtropical northern Colombia
  • A.a. griseipectus:
  • Pacific slope of southern Mexico (Chiapas) to western Guatemala and El Salvador
  • A.a. fuscipygius:
  • A.a. parvirostris:
  • A.a. brunnescens:
  • Subtropical western Panama (western Chiriquí)
  • A.a. coloratus:
  • Subtropical western Panama (eastern Chiriquí and Veraguas)
  • A.a. azuerensis:
  • Western Panama (Azuero Peninsula)

Habitat

Forest edge, clearings, and high-altitude shrubland, sometimes in areas best described as cloud forest. In Mexico often in areas with mixture of pine and other trees.

Behaviour

Likes to keep hidden except when singing, and probably not easy to see even then. Mostly seeks food on the ground or low above the ground.

References

  1. Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2015. The eBird/Clements checklist of birds of the world: v2015, with updates to August 2015. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
  2. Ridgely & Gwynne 1989. Birds of Panama. Princeton Paperbacks. ISBN 0691025126
  3. Howell & Webb, 1995. A guide to the birds of Mexico and northern Central America. Oxford University Press. ISBN 0198540124

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