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Carib Grackle

From Opus

Revision as of 01:32, 23 December 2012 by Njlarsen (Talk | contribs)
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MalePhoto by Bjorn Svensson Venezuela, January 2005
Photo by Bjorn Svensson
Venezuela, January 2005
Quiscalus lugubris


[edit] Identification

FemalePhoto by Tord Guadeloupe, January 2012
Photo by Tord
Guadeloupe, January 2012

24-28 cm
Male is black with a metallic sheen that is either green, violet, or steel-blue. It has a tail that is V-shaped and whitish eyes.
The female has grayish underside, darker brownish-gray upperside and a light supercilium at least on some islands, while she is darker and even can have some glossy black areas on other islands.

Male is larger than female.

[edit] Distribution

Present in the Lesser Antilles from Anguilla and south - probably introduced on some of the northern islands including Antigua and Barbuda. Outside the Caribbean, also present on Trinidad, and Eastern Colombia through Northern Venezuela (including islands such as Isla Margarita etc), the Guianas, and North-Eastern Brazil.

[edit] Taxonomy

Female or immature of a darker formPhoto by njlarsen St. Lucia, April 2010
Female or immature of a darker form
Photo by njlarsen
St. Lucia, April 2010

[edit] Subspecies[2]

Clements Checklist mentions 8 subspecies.

  • Q. l. guadeloupensis:
  • Q. l. inflexirostris:
  • Q. l. contrusus:
  • Q. l. luminosus:
  • Q. l. fortirostris:
  • Q. l. orquillensis:
  • Q. l. insularis:
  • Isla Margarita and Islas Los Frailes (off Venezuela)
  • Q. l. lugubris:

According to Raffaele1, the 5 Caribbean subspecies have different song dialects, and there is some differences in female plumage as well. Prime suspect for a future split?

[edit] Habitat

Limited to open areas, including residential.

[edit] Behaviour

[edit] Breeding

It breeds in colonies. A deep cup nest is built in a tree. The 2-4 white eggs are incubated for 12 days. The young fledge 14 days later.

[edit] Diet

The diet includes insects and invertebrates.

[edit] References

  1. Raffaele et al. 1998. Birds of the West Indies. Christopher Helm, London. ISBN 0713649054
  2. Clements, JF. 2008. The Clements Checklist of Birds of the World. 6th ed., with updates to December 2008. Ithaca: Cornell Univ. Press. ISBN 978-0801445019.
  3. Wikipedia

[edit] External Links


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