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Bold-striped Tit-Babbler - BirdForum Opus

ssp bornensis
Photo by Joe Pan
Kinabatangan District, Sabah, Malaysia, November 2006
Mixornis bornensis

Macronous bornensis


11 - 12cm. A small, variable Babbler.

  • Whitish or olive breast with heavy black streaks
  • Rufous to brown or grey crown
  • Greyish to olive supercilium
  • Rufous to olive or brown upperparts
  • Greyish or olive underparts
  • Yellow iris


Found on Borneo, Java and several adjacent islands groups.
Common and widespread in most of its range.


Eight subspecies accepted:

  • M. b. zoperhus on Anamba Islands, Malaysia
  • M. b. everetti on Bunguran, Natuna Islands
  • M. b. zaperissus on Natunas (without Bunguran)
  • M. b. argenteus on Banggi and Malawali Island off Borneo
  • M. b. cagayanensis on Cagayan Sulu
  • M. b. bornensis on Borneo (without Kinabalu region)
  • M. b. montanus around Mount Kinabalu, Borneo
  • M. b. javanicus on Java, Indonesia

Was formerly considered conspecific with Pin-striped Tit-Babbler.
Formerly placed in the genus Macronous.


Bushes and undergrowth in open broadleaf evergreen, decidious and semi-evergreen forest, forest edge, logged areas and bamboo. Also in plantations and gardens. Up to 1200m in Borneo, 250m in Java.


Feeds on insects, takes also some fruit.
Singly or in pairs during breeding season, in groupfs of up to 12 or more birds outside breeding season. Often together with other species. Forages near the ground but climbs vine-laden trees up to 9m high.
Breeding season differs in range, generally from February to July. They build a loose ball shaped nest made from grasses and leaves. It's placed 0.3 - 3m above the ground in a bush, stemless palm, bamboo clump, pineapple plant or a hedge. Lays 2 - 5 eggs.
Resident species.


  1. Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2015. The eBird/Clements checklist of birds of the world: v2015, with updates to August 2015. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
  2. Del Hoyo, J, A Elliott, and D Christie, eds. 2007. Handbook of the Birds of the World. Volume 12: Picathartes to Tits and Chickadees. Barcelona: Lynx Edicions. ISBN 978-8496553422
  3. Rasmussen, PC and JC Anderton. 2005. Birds of South Asia: The Ripley Guide. Barcelona: Lynx Edicions. ISBN 978-8487334672

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