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Chattering Gnatwren - BirdForum Opus

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Ramphocaenus sticturus


Large white spots on outer rectrices

Similar species

The white spots on outer rectrices separate this species from nearby subspecies of Long-billed Gnatwren which has all-dark tail.


Eastern Peru to northern Bolivia and south-west Brazil


Two subspecies are recognized[1]:

  • R. s. obscurus -- Tropical eastern Peru (Loreto) to northern Bolivia (La Paz)
  • R. s. sticturus -- south-west Brazil (Mato Grosso)

Chattering Gnatwren has been split from Long-billed Gnatwren.




A series of unmusical “chattered” introductory notes and then switch to a slow-­‐paced musical trill[5].


  1. Clements, J. F., T. S. Schulenberg, M. J. Iliff, S. M. Billerman, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2019. The eBird/Clements Checklist of Birds of the World: v2019. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
  2. Birdforum thread discussing taxonomy of this species
  3. Greeney, H. F., J. L. Atwood, S. Lerman, and A. J. Spencer (2020). Long-billed Gnatwren (Ramphocaenus melanurus), version 2.0. In Birds of the World (T. S. Schulenberg, B. K. Keeney, and S. M. Billerman, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.lobgna5.02
  4. Schulenberg, T. S. & Stotz, D. F. & Lane, D. F. & O'Neill, J. P. & Parker III, T. A. & Egg, A. B. (2010). Birds of Peru: Revised and Updated Edition. Princeton: Princeton University Press. ISBN 978-0691130231
  5. Paper describing occurrence of this species overlapping with Long-billed Gnatwren and describing the vocalization of both

Recommended Citation

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