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Barred Antshrike - BirdForum Opus

Revision as of 14:44, 20 November 2023 by Sbarnhardt (talk | contribs) (Moved Dave Clark male subspecies ''difficilis'' image to Distribution and changed size to 350px from 300px, Moved Celso Paris Female subspecies ''radiatus'' image to Identification, Moved Steve G male-female subspecies ''doliatus'' image to Behaviour and changed size to 350px from 550px)
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

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


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