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Azure Jay - BirdForum Opus

Photo by Jamfaraco
Rio Grande do Sul, Brazil, November 2003.
Cyanocorax caeruleus


40cm. Occurs in two colour morphs:

  • Dark blue-black head, front part of the neck, and upper chest
  • Small bristly frontal crest
  • Bright cerulean or bright ultramarin blue body
  • Dark brown eye
  • Black bill and legs

Sexes similar, though females are smaller. Juveniles have purplish-blue back, wings and tail and a yellow spot close the base of the lower mandible.


South America: found in south-eastern Brazil to eastern Paraguay and north-eastern Argentina.
Declining and mostly uncommon in its range.


Photo by pbono
Rio Grande do Sul, Brazil, November 2003

This is a monotypic species[1].

May form a superspecies with Purplish Jay, Violaceous Jay and Curl-crested Jay.


Inhabits Araucaria forests.


Often seen in small flocks. Where sympatric with Plush-crested Jay tends to stay higher in canopy than the latter species.


The diet includes seeds, insects and fruit.


Breeding season from October to January. A social breeder with helpers. The nest is made of sticks and placed 10 - 20m above the ground in an Araucaria tree. Lays 2 - 4 eggs.
A sedentary species.


  1. Clements, JF. 2010. The Clements Checklist of Birds of the World. 6th ed., with updates to December 2010. Ithaca: Cornell Univ. Press. ISBN 978-0801445019. Spreadsheet available at http://www.birds.cornell.edu/clementschecklist/Clements%206.5.xls/view
  2. Del Hoyo, J, A Elliott, and D Christie, eds. 2009. Handbook of the Birds of the World. Volume 14: Bush-shrikes to Old World Sparrows. Barcelona: Lynx Edicions. ISBN 978-8496553507

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