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Caroline Islands Swiftlet - BirdForum Opus

Photo © by Mark Harper
Weno, Micronesia, 9 April, 2024

Alternative names: Caroline Swiftlet; Micronesian Swiftlet; Island Swiftlet

Aerodramus inquietus


With 11cm a small Swiftlet of some islands in the South Pacific.

  • Uniformly dark grey-brown underparts
  • Black-brown upperparts
  • Shallowly forked tail


Found in Micronesia in the South Pacific on Chuuk, Kosrae and Pohnpei.
Very common to abundant in its range.


Like other Aerodramus Swiftles this species is often placed in Collocalia.
Formerly considered conspecific with Mossy-nest Swiftlet, Palau Swiftlet, Uniform Swiftlet and Guam Swiftlet. The five species form now a superspecies.


Three subspecies recognized[1]:


Recorded over forest and open habitat.



Nothing known about food and feeding, probably similar to other Swiftlets.


Nests in caves, building a nest with vegetable matter and hold together with lots of saliva. Probably capable of echolocation but uncertain. Lays one egg (rukensis two).




  1. Clements, J. F., P. C. Rasmussen, T. S. Schulenberg, M. J. Iliff, T. A. Fredericks, J. A. Gerbracht, D. Lepage, A. Spencer, S. M. Billerman, B. L. Sullivan, and C. L. Wood. 2023. The eBird/Clements checklist of Birds of the World: v2023. Downloaded from https://www.birds.cornell.edu/clementschecklist/download/

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