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Ayacucho Thistletail - BirdForum Opus

Asthenes ayacuchensis


18-20 cm
Shape of a typical Thistletail with a very long tail. Body had olive-brown upperside and grey underside, the head has a dark eye-line but no supercilium and the chin area is relatively large and bright reddish-chestnut.

Similar species

Vilcabamba Thistletail is very similar and most easily distinguished by sound (ranges should be separated by Rio Apurimac).


Andes of south Peru (Ayacucho).


This is a monotypic species.
Formerly considered conspecific with Vilcabamba Thistletail.


Elfin woods, second growth and polylepis at 3300-3700 m asl.


Feeds in understory but details are lacking. Usually a solitary species.


  1. Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2016. The eBird/Clements checklist of birds of the world: v2016, with updates to August 2016. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
  2. Gill, F and D Donsker (Eds). 2016. IOC World Bird Names (version 6.3). Available at http://www.worldbirdnames.org/.
  3. Birdforum thread discussing the taxonomy of Schizoeaca
  4. del Hoyo, J., N. Collar, and G. M. Kirwan (2020). Ayacucho Thistletail (Asthenes ayacuchensis), version 1.0. In Birds of the World (J. del Hoyo, A. Elliott, J. Sargatal, D.A. Christie, and E. de Juana, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.vilthi3.01

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