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Cave Swiftlet - BirdForum Opus

subspecies dedii
Photo by Mat & Cathy
Ubud, Bali , Indonesia, September 2009
Collocalia linchi


A very small Swiftlet (10cm), looks very similar to Glossy Swiftlet.

  • Square tail
  • Plumage green-glossed with no rectrix spots
  • No feather tuft on hind toe (only visible in hand)
  • Not capable of echolocation


South-east Asia. Found on Java and locally on Sumatra.
Common and not globally threatened.


Sometimes regarded as conspecific with Glossy Swiftlet. The subspecies natalis of Glossy Swiftlet has been placed in this species.


Three subspecies recognized:

  • C.l. linchi on Java, Madura, Bawean and Nusa Penida Islands.
  • C.l. dedii on Bali and Lombok
  • C.l. ripleyi on Bukit Barisan on Sumatra

Bornean Swiftlet was formerly included in this species.


On Java from sea-level to mountains over forest and open country. On Sumatra restricted to high altitude.


Forages in crowns of fruit trees, especially fruiting figs. A gregarious species.
Makes a bracket-shaped nest out of thin vegetable pieces. Lays two eggs.
Resident, no movements known.


  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/

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