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Esmeraldas Woodstar - BirdForum Opus

Photo by steveblain
Near Ayampe, western Ecuador, January 2006
Chaetocercus berlepschi

Acestrura berlepschi



  • Copper green above
  • Copper green flanks and breast band
  • Iridescent violet gorget
  • Grey white breast
  • Forked tail
  • Straight black bill


  • Copper green above
  • White below
  • Buff throat
  • Tawny tail with white tips and black subterminal bar
  • Straight black bill

Juveniles: Males and females can be distinguished already at fledging


South America: found in the lowlands of western Ecuador (Esmeraldas, Manabí and Guayas.


This is a monotypic species1.


Dry forest



The diet includes nectar. There has also been reports that females of this species ingest soil rich in calcium, magnesium and potassium.


The nest is a cup of fibers and seeds tied together by spider silk and covered with lichens for camouflage. It is usually placed in a fork of thin vertical branches in a small tree or scrub.


  1. Clements, J. F., T. S. Schulenberg, M. J. Iliff, B.L. Sullivan, C. L. Wood, and D. Roberson. 2012. The eBird/Clements Checklist of Birds of the World. 6th ed., with updates to October 2012. Ithaca: Cornell Univ. Press. ISBN 978-0801445019. Spreadsheet available at http://www.birds.cornell.edu/clementschecklist/downloadable-clements-checklist
  2. Juina et al. (2010). Description of the nest and parental care of the Esmeraldas Woodstar (Chaetocercus berlepschi) in western Ecuador. Ornithologia Neotropical 21(3):313-322 (in Spanish)
  3. BirdLife International
  4. Wikipedia

Recommended Citation

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