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Difference between revisions of "White-naped Brushfinch" - BirdForum Opus

(Pictures dated & copy right. References updated. New multiple GSearch added. Prep for Featured Article)
(taxon, refs, range, behav)
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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.  
 
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==
+
==Distribution==
 +
[[Central America|Central]] and [[South America]]: From [[Mexico]] to [[Colombia]] and northernmost [[Ecuador]].
 +
==Taxonomy==
 
====Subspecies====
 
====Subspecies====
 
There are 8 subspecies<sup>[[#References|[1]]]</sup> in two groups, which differ remarkably and are sometimes treated as two species:
 
There are 8 subspecies<sup>[[#References|[1]]]</sup> in two groups, which differ remarkably and are sometimes treated as two species:
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This form is found from southern [[Mexico]] to [[Panama]] and [[Colombia]].
 
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''):
 
*''A.a. gutturalis'' (if considered a full species, this is the nominate subspecies of the species ''Atlapetes gutturalis''):
:*Upper tropical and subtropical northern [[Colombia]]
+
:*Middle elevation of the Andes in [[Colombia]] to northernmost [[Ecuador]]
 
*''A.a. griseipectus'':
 
*''A.a. griseipectus'':
 
:*Pacific slope of southern Mexico (Chiapas) to western Guatemala and [[El Salvador]]
 
:*Pacific slope of southern Mexico (Chiapas) to western Guatemala and [[El Salvador]]
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==Habitat==
 
==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.  
+
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. Often described as preferring the thickest undergrowth.  
 
==Behaviour==
 
==Behaviour==
 
Likes to keep hidden except when singing, and probably not easy to see even then.  
 
Likes to keep hidden except when singing, and probably not easy to see even then.  
====Action====
+
 
They hop on the ground.
 
 
====Diet====
 
====Diet====
Their diet consists of a variety of insects and seeds. They mostly seek food on the ground or low above the ground.
+
Their diet consists of a variety of insects and seeds. They mostly seek food on the ground or low above the ground. They mostly move around hopping and may follow army ant swarms.  
 
==References==
 
==References==
 
#{{Ref-Clements6thOct22}}#Ridgely & Gwynne 1989. Birds of Panama. Princeton Paperbacks. ISBN 0691025126
 
#{{Ref-Clements6thOct22}}#Ridgely & Gwynne 1989. Birds of Panama. Princeton Paperbacks. ISBN 0691025126
 
#Howell & Webb, 1995. A guide to the birds of Mexico and northern Central America. Oxford University Press. ISBN 0198540124
 
#Howell & Webb, 1995. A guide to the birds of Mexico and northern Central America. Oxford University Press. ISBN 0198540124
 +
#Rising, J. D. (2020). White-naped Brushfinch (Atlapetes albinucha), version 1.0. In Birds of the World (J. del Hoyo, A. Elliott, J. Sargatal, D. A. Christie, and E. de Juana, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.wnbfin1.01
 
{{ref}}
 
{{ref}}
 
==External Links==
 
==External Links==

Revision as of 01:49, 25 February 2023

White-naped Brushfinch, subspecies albinucha
Photo © by Raul Padilla
San Bartolo Tutotepec, Mexico, 5 March 2016
Atlapetes albinucha

Includes Yellow-throated Brush-Finch

Identification

17–21 cm (6¾-8¼ in)
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, 30 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

Central and South America: From Mexico to Colombia and northernmost Ecuador.

Taxonomy

Subspecies

There are 8 subspecies[1] in 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

Yellow-throated Brushfinch, subspecies brunnescens
Photo © by PanamaHarpy
Boquete, Panama, 17 August 2011

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):
  • 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. Often described as preferring the thickest undergrowth.

Behaviour

Likes to keep hidden except when singing, and probably not easy to see even then.

Diet

Their diet consists of a variety of insects and seeds. They mostly seek food on the ground or low above the ground. They mostly move around hopping and may follow army ant swarms.

References

  1. Clements, J. F., T. S. Schulenberg, M. J. Iliff, T. A. Fredericks, J. A. Gerbracht, D. Lepage, S. M. Billerman, B. L. Sullivan, and C. L. Wood. 2022. The eBird/Clements checklist of Birds of the World: v2022. Downloaded from https://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
  4. Rising, J. D. (2020). White-naped Brushfinch (Atlapetes albinucha), version 1.0. In Birds of the World (J. del Hoyo, A. Elliott, J. Sargatal, D. A. Christie, and E. de Juana, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.wnbfin1.01

Recommended Citation

External Links

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