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Balicassiao - BirdForum Opus

nominate subspecies
Photo by Romy Ocon
Mount Makiling, Laguna Province, Philippines, November 2006

Alternative name: Philippine Drongo

Dicrurus balicassius

Identification

Photo © by Romy Ocon
Mount Makiling, Laguna Province, Philippines, 10 July 2004

26cm

  • Glossy blue violet body (mirabilis with a silky white lower breast to undertail-coverts)
  • Darker blue head
  • Rather short tail, shallowly forked
  • Reddish dark brown eye

Sexes similar. Immatures are browner and less glossy.
The only drongo in its range.

Distribution

South-east Asia: found in the Philippines.
Still common but under threat from deforestation.

Taxonomy

This is a polytypic species[1] consisting of 3 subspecies.

Subspecies[1]

  • D. b. abraensis:
  • D. b. balicassius:
  • Central and southern Luzon, Lubang, Marinduque, Mindoro and Polillo
  • D. b. mirabilis:
  • Panay, Cebu, Negros, Guimaras, Ticao, Masbate

Habitat

Forest and forest edge usually below 1200 m.

Behaviour

Often seen in pairs or small groups, only occasionally in mixed-species flocks.

Diet

Few data available. Often seen catching insects and other prey by flying from an open perch.

Breeding

A bowl shaped nest is built from twigs and placed on a small branch. Three eggs are laid.

References

  1. Clements, J. F., T. S. Schulenberg, M. J. Iliff, S. M. Billerman, T. A. Fredericks, J. A. Gerbracht, D. Lepage, B. L. Sullivan, and C. L. Wood. 2021. The eBird/Clements checklist of Birds of the World: v2021. Downloaded from https://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
  3. BF Member observations

Recommended Citation

External Links

GSearch checked for 2020 platform.

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