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Black-throated Magpie-Jay - BirdForum Opus

Photo © by Marysan
San Diego County, California, March 2008
Calocitta colliei


58–77 cm (22¾-30¼ in), including the very long tail

  • Blue upperparts
  • White tips to tail
  • White underparts
  • Black head, throat, chest and crest
  • Light blue crescent over eyes and patch under eye
  • Black bill and legs

Juvenile: white tip on crest. The patch below eye is smaller and darker blue.


Endemic to western Mexico, (south-eastern Sonora to Jalisco and Colima).
Introduced to California and Baja California. Common to fairly common in its small range.


Photo © by Gerald Friesen
San Diego, California, November 2018

This is a monotypic species[1], which has in the past been considered part of White-throated Magpie-Jay.


Dry bushy country, thorn forest, deciduous open and riparian forests.



Feeds on invertebrates, fruits and berries. Often foraging together with passerines such as Yellow-winged Cacique.


Eggs are reported in April. The large cup nest of sticks is lined with softer material. The clutch consists of 3 to 7 brown and grey spotted whitish eggs.


  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. 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
  1. Handbook of the Birds of the World Alive (retrieved November 2018)

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