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Difference between revisions of "Barred Antshrike" - BirdForum Opus

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[[Image:Barred_Antshrike.jpg|thumb|550px|right|Photo by {{user|Steve+G|Steve G}} <br />Male on left, female on right. ]]
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[[File:Barred-Antshrike-Male_Subspecies albicans_NIELS.jpg|thumb|550px|right|Male, Subspecies ''albicans''<br />Photo &copy; by {{user|njlarsen|NJ Larsen}}<br /> PN (National Park) Tayrona, Magdalena, [[Colombia]], 31 August 2023]]
 
;[[:Category:Thamnophilus|Thamnophilus]] doliatus
 
;[[:Category:Thamnophilus|Thamnophilus]] doliatus
−
 
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'''Includes Caatinga Antshrike'''
 
==Identification==
 
==Identification==
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16.5 cm.  '''Male''' - barred all over black and white, white-based black crest that is raised in display. '''Female''' - rufous above, chestnut crest, sides of head and neck streaked with black, rich buff underparts.
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[[Image:Barred Antshrike Thamnophilus doliatus radiatus female.jpg|thumb|350px|right|Female, subspecies ''radiatus''<br />Photo &copy; by {{user|Celso+Paris|Celso Paris}}<br />SE Brazil, September 2018]]
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15–16 cm (6-6¼ in)<br />
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'''Male'''
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*Black and white barring
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*Black crest wtih white base which is raised in display<br />
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'''Female'''<br />
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*Rufous upperparts
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*Chestnut crest
 +
*Sides of head and neck streaked with black
 +
*Rich buff underparts
  
 
==Distribution==
 
==Distribution==
−
[[Mexico]], [[Trinidad]] and [[Tobago]], northern [[Argentina]], [[Bolivia]] and [[Paraguay]].
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[[Image:090708-0437 07.jpg|thumb|350px|right|Male, Subspecies ''difficilis ''<br />Photo &copy; by {{user|Dave+Clark|Dave Clark}}<br />Northern [[Transpantaneira Road|Pantanal]], Mato Grosso, [[Brazil]], July 2009]]
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[[Central America|Central]] and [[South America]]:<br />
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'''Central America''': found in [[Mexico]], [[Guatemala]], [[Belize]], [[El Salvador]], [[Honduras]], [[Nicaragua]], [[Costa Rica]], [[Panama]], [[Trinidad]], [[Tobago]]<br />
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'''South America''': [[Colombia]], [[Venezuela]], [[Guyana]], [[Suriname]], [[French Guiana]], [[Ecuador]], [[Peru]], [[Bolivia]], [[Brazil]], [[Paraguay]] and [[Argentina]]
 
==Taxonomy==
 
==Taxonomy==
−
Several subspecies.<br/>
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Has been considered [[Dictionary_A-C#C|conspecific]] with [[Chapman's Antshrike]] in the past.
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Has been considered conspecific with [[Chapman's Antshrike]] in the past.
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====Subspecies====
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[[Image:Choca-barrada-do-nordeste3.jpg|thumb|350px|right|Female, Subspecies ''capistratus'', Caatinga Antshrike<br />Photo &copy; by {{user|Xyko+Paludo|Francisco Paludo}}<br />Araripe, Ceará, [[Brazil]], July, 2017]]
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There are 12 subspecies<sup>[[#References|[1]]]</sup>:
 +
*''T. d. intermedius'' (yucatanensis, pacificus): Eastern [[Mexico]] (Tamaulipas) to [[Belize]], [[Guatemala]] and western [[Panama]]
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*''T. d. nigricristatus'': Central [[Panama]] (eastern Chiriquí and southern Veraguas to western San Blas)
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*''T. d. eremnus'': Coiba Island ([[Panama]])
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*''T. d. nesiotes'': Pearl Islands (Gulf of Panama)
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*''T. d. albicans'': Caribbean slope of [[Colombia]] and south in Magdalena Valley to Huila
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*''T. d. nigrescens'': North-central [[Colombia]] east of Andes and north-western [[Venezuela]] north of Andes
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*''T. d. tobagensis'': [[Tobago]]
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*''T. d. doliatus'' (fraterculus): North-eastern [[Colombia]] to the [[Guianas]] and northern Amazonian [[Brazil]]; [[Trinidad]]
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*''T. d. radiatus'' (subradiatus, signatus, novus): Extreme south-eastern [[Colombia]] to eastern [[Peru]], [[Bolivia]], [[Paraguay]], northern [[Argentina]]
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*''T. d. cadwaladeri'': Southern [[Bolivia]] (Tarija)
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*''T. d. difficilis'': East-central [[Brazil]] (eastern Maranhão to eastern Mato Grosso, Goiás and western Bahia)
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*''T. d. capistratus'': Eastern [[Brazil]] (Ceará to extreme northern Minas Gerais and central Bahia)
  
 +
The last subspecies is sometimes considered a separate species, Caatinga Antshrike, ''T. capistratus''.
 
==Habitat==
 
==Habitat==
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Arid or humid wooded habitats.
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Arid or humid lowland wooded habitats; mangroves, riparian shrubs, gardens and cultivated areas.
−
 
 
 
==Behaviour==
 
==Behaviour==
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A cup nest is built and placed in a shrub; 2 purple-marked creamy white eggs are laid and incubated by both sexes for 14 days. The chicks fledge in another 12-13 days.
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[[Image:Barred_Antshrike.jpg|thumb|350px|right|Male on left, female on right, subspecies ''doliatus''<br />Photo &copy; by {{user|Steve+G|Steve G}} <br />[[Asa Wright Nature Centre]], Northern [[Trinidad]], May 2006]]
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Constantly on the move.
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The diet includes ants and other arthropods, army ants, small lizards and berries.
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====Breeding====
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[[File:Barred-Antshrike_Posturing_FRNPAL.jpg|thumb|350px|right|Posturing<br />Photo &copy; by {{user|Francisco+Paludo|Francisco Paludo}}<br /> Nobres, MT, [[Brazil]], 5 January 2024]]
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A cup nest is built and placed in a shrub. Both adults incubate the 2 purple-marked creamy white eggs for 2 weeks. The chicks fledge in another 12-13 days.
 +
====Diet====
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Their diet consists mostly of insects such as beetles, ants and other arthropods, small lizards and berries.
 
==References==
 
==References==
−
Wikipedia
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#{{Ref-Clements6thAug18}}#Handbook of the Birds of the World Alive (retrieved August 2017)
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#BF Member observations
 +
#Wikipedia
 +
{{ref}}
 
==External Links==
 
==External Links==
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{{GSearch|Thamnophilus+doliatus}}  
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*[http://www.arthurgrosset.com/sabirds/barred%20antshrike.html Arthur Grosset's Birds]<br />
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<br />
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{{GSearch|"Thamnophilus doliatus" {{!}} "Thamnophilus capistratus" {{!}} "Barred Antshrike" {{!}} "Caatinga Antshrike"}}
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{{GS-checked}}1
 +
<br />
 +
<br />
 +
 
 
[[Category:Birds]] [[Category:Thamnophilus]]
 
[[Category:Birds]] [[Category:Thamnophilus]]

Latest revision as of 14:50, 6 April 2024

Male, Subspecies albicans
Photo © by NJ Larsen
PN (National Park) Tayrona, Magdalena, Colombia, 31 August 2023
Thamnophilus doliatus

Includes Caatinga Antshrike

Identification

Female, subspecies radiatus
Photo © by Celso Paris
SE Brazil, September 2018

15–16 cm (6-6¼ in)
Male

  • Black and white barring
  • Black crest wtih white base which is raised in display

Female

  • Rufous upperparts
  • Chestnut crest
  • Sides of head and neck streaked with black
  • Rich buff underparts

Distribution

Male, Subspecies difficilis
Photo © by Dave Clark
Northern Pantanal, Mato Grosso, Brazil, July 2009

Central and South America:
Central America: found in Mexico, Guatemala, Belize, El Salvador, Honduras, Nicaragua, Costa Rica, Panama, Trinidad, Tobago
South America: Colombia, Venezuela, Guyana, Suriname, French Guiana, Ecuador, Peru, Bolivia, Brazil, Paraguay and Argentina

Taxonomy

Has been considered conspecific with Chapman's Antshrike in the past.

Subspecies

Female, Subspecies capistratus, Caatinga Antshrike
Photo © by Francisco Paludo
Araripe, Ceará, Brazil, July, 2017

There are 12 subspecies[1]:

  • T. d. intermedius (yucatanensis, pacificus): Eastern Mexico (Tamaulipas) to Belize, Guatemala and western Panama
  • T. d. nigricristatus: Central Panama (eastern Chiriquí and southern Veraguas to western San Blas)
  • T. d. eremnus: Coiba Island (Panama)
  • T. d. nesiotes: Pearl Islands (Gulf of Panama)
  • T. d. albicans: Caribbean slope of Colombia and south in Magdalena Valley to Huila
  • T. d. nigrescens: North-central Colombia east of Andes and north-western Venezuela north of Andes
  • T. d. tobagensis: Tobago
  • T. d. doliatus (fraterculus): North-eastern Colombia to the Guianas and northern Amazonian Brazil; Trinidad
  • T. d. radiatus (subradiatus, signatus, novus): Extreme south-eastern Colombia to eastern Peru, Bolivia, Paraguay, northern Argentina
  • T. d. cadwaladeri: Southern Bolivia (Tarija)
  • T. d. difficilis: East-central Brazil (eastern Maranhão to eastern Mato Grosso, Goiás and western Bahia)
  • T. d. capistratus: Eastern Brazil (Ceará to extreme northern Minas Gerais and central Bahia)

The last subspecies is sometimes considered a separate species, Caatinga Antshrike, T. capistratus.

Habitat

Arid or humid lowland wooded habitats; mangroves, riparian shrubs, gardens and cultivated areas.

Behaviour

Male on left, female on right, subspecies doliatus
Photo © by Steve G
Asa Wright Nature Centre, Northern Trinidad, May 2006

Constantly on the move.

Breeding

Posturing
Photo © by Francisco Paludo
Nobres, MT, Brazil, 5 January 2024

A cup nest is built and placed in a shrub. Both adults incubate the 2 purple-marked creamy white eggs for 2 weeks. The chicks fledge in another 12-13 days.

Diet

Their diet consists mostly of insects such as beetles, ants and other arthropods, small lizards and berries.

References

  1. Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2018. The eBird/Clements checklist of birds of the world: v2018. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
  2. Handbook of the Birds of the World Alive (retrieved August 2017)
  3. BF Member observations
  4. Wikipedia

Recommended Citation

External Links


GSearch checked for 2020 platform.1

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