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Horned Screamer - BirdForum Opus

Photo © by Orozimbo.
Lins, SP, Brazil, 15 July 2018
Anhima cornuta


Photo © by Stanley Jones.
Cocha Blanco, Río Madre de Dios, Manu Lodge, Madre de Dios Department, Peru, 13 September 2018

L. 84-95 cm (33-38 in)
Wt. 3.5 kg (7.7 lbs)

  • Black head, breast and upperparts
  • White speckles on the crown, throat and wing coverts
  • Long quill projects forward from the crown
  • White belly and underwing coverts
  • Two sharp spurs on its wings
  • Long, strong legs
  • Partially webbed feet


South America: found in Colombia, Venezuela, Brazil, Bolivia, Peru, and Ecuador.


This species is monotypic[1]


Photo © by JorgePeru2.
National Reserve Pacaya Samiria, Peru, 2 May 2010

Well-vegetated marshes in the lowlands. Moist tropical forests



Their diet consists mostly of aquatic plants, including leaves, stems, roots and flowers. They also eat a small amount of insects.


Monogamous. The nest is a large pile of floating vegetation anchored in shallow water. The clutch contains 3 olive-brown eggs.


Loud braying calls that sound like a donkey carry long distances. Air-sacks in their legs make a popping sound.


Photo © by Orozimbo
Lins SP Brazil, 11 August 2019

Mostly resident.


  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. Carboneras, C., Boesman, P. & Kirwan, G.M. (2019). Horned Screamer (Anhima cornuta). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from https://www.hbw.com/node/52790 on 19 July 2019).
  3. Piland, N. (2010). Horned Screamer (Anhima cornuta), version 1.0. In Neotropical Birds Online (T. S. Schulenberg, Editor). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/nb.horscr1.01

Recommended Citation

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