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 LC    Shiny Cowbird* Id (Atlas):
    Molothrus bonariensis

Description (10)
Image of Shiny Cowbird
 

Other Names (World)
Shiny Cowbird, Glossy Cowbird

Family
Icteridae (New World Blackbirds)

Size
17 - 22 cm

First Described (Guide)
(Gmelin, 1789)

Habitat
Subtropical and tropical lowland moist forest, grassland, shrubland, pastureland, arable land. From sea-level - 700 m.

Range (Guide)
Anguilla, Antigua And Barbuda, Argentina, Barbados, Bolivia, Brazil, Canada, Chile, Colombia, Cuba, Dominica, Dominican Republic, Ecuador, French Guiana, Grenada, Guadeloupe, Guyana, Haiti, Martinique, Montserrat, Netherlands Antilles, Panama, Paraguay, Peru, Puerto Rico, St Kitts And Nevis, St Lucia, St Vincent and The Grenadines, Suriname, Trinidad and Tobago, Uruguay (B), USA (B), Venezuela, Virgin Islands (British) (B) (NB), Virgin Islands (U.S.) (B) (NB).

Vagrant to Aruba, Bahamas, Cayman Islands, Mexico.

Introduced to Jamaica.

Population
Estimated population is 200,000,000 (2010).

Status LC
For more information see BirdLife International Species Factsheet.

Voice
Xeno-Canto Sound Files (more (122)...)

 
Shiny Cowbird (Molothrus bonariensis) [XC242833]
     by Dan Lane from Azuay: upper Yunguilla Valley, Ecuador (call, song, 1-noted song\/call)

 
Shiny Cowbird (Molothrus bonariensis) [XC423020]
     by JAYRSON ARAUJO DE OLIVEIRA from Montanha, Esp\u00edrito Santo, Brazil (call, display call)

Subspecies
Closely related to Brown-headed Cowbird (Molothrus ater), and much resembling it in habits, general behaviour and voice.

Proposed subspecies melanogyna (Paraná, Brazil), with females blackish (almost as black as males), now considered a dark colour morph of nominate, as also is proposed subspecies milleri (Mato Grosso, Brazil). Origin of isolated Chilean population of nominate subspecies uncertain. Analysis of mitochondrial DNA desirable.

The following 7 subspecies are recognised:

  • minimus Dalmas, 1900   -  South-eastern USA (Florida), West Indies, Trinidad and Tobago, the Guianas and extreme northern Brazil (R Branco).
  • cabanisii Cassin, 1866   -  Eastern Costa Rica, Panama and western Colombia.
  • venezuelensis Stone, 1891   -  Northern Venezuela and eastern Colombia.
  • aequatorialis Chapman, 1915   -  South-western Colombia and western Ecuador.
  • occidentalis von Berlepsch & Stolzmann, 1892   -  Extreme south-western Ecuador (Loja) and western Peru.
  • riparius Griscom & Greenway, 1937   -  Eastern Ecuador, eastern Peru, and Amazon Valley in Brazil (east to Obí­dos).
  • bonariensis (Gmelin, 1789)   -  Central and eastern Brazil (south of R Amazon) south to eastern Bolivia, Paraguay, Uruguay and Argentina (south to central Santa Cruz). Also Chile (Coquimbo Region south to Aysén).



References
See References.


Files:
JPG files for Shiny Cowbird (Molothrus bonariensis) - 10 files


More Information

BirdLife International

For more information about the Shiny Cowbird see... Show Articles BirdLife International Species Factsheet.


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