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Silky-tailed Nightjar - BirdForum Opus

Photo © by Xyko Paludo
Ribeirão Grande, SP, Brazil, July 2018
Antrostomus sericocaudatus


24–30 cm (9½ in)

  • Dark greyish-brown upperparts, with blackish brown streaks and spots


South America: found in Peru, Bolivia, Brazil, Paraguay and Argentina.


It was formerly placed in the genus Caprimulgus.


Two subspecies are recognized[1]:

  • A. s. mengeli:
  • A. s. sericocaudatus:


Mostly in forest clearings, particularly with thickets and bamboo.



Their main diet consists of insects, particularly ants, beetles, crickets and grasshoppers.


  1. Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2018. The eBird/Clements checklist of birds of the world: v2018. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
  2. [http://www.birdforum.net/showthread.php?p=1931402 Birdforum thread discussing the proposal to place this species in genus Antrostomus
  3. Avibase
  4. Handbook of the Birds of the World Alive (retrieved Aug 2018)

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