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Brown-hooded Gull - BirdForum Opus

Revision as of 09:54, 22 January 2019 by Jmorlan (talk | contribs) (→‎References: Updated and expanded)
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Photo by Fritz73
Perito Moreno National Park, Santa Cruz, Argentina, 2001
Chroicocephalus maculipennis

Larus maculipennis

Identification

35–37 cm (13¾-14½ in)

  • Grey upperparts
  • White underparts
  • Brown hood
  • White eye crescents
  • White nape, neck and breast
  • Grey-white wings
  • Deep red bill and legs
Non-breeding
Photo by Rodrigo Reyes
Viña del Mar, Chile, June 2005

Non-breeding adult

  • White head
  • Dark spots behind the eye

Similar Species

They bear a strong resemblance to the Black-headed Gull but Brown-hooded Gull has a slightly darker mantle, narrower dark subterminal band on its primaries, more dark at the bases of its outermost primaries, and usually distinct white primary tips cf. Black-headed.

Distribution

Southern South America : found in Ecuador, Bolivia, Brazil, Paraguay, Uruguay, Chile, Argentina and the Falkland Islands.

Taxonomy

This is a monotypic species[1], which is sometimes placed in genus Larus.

Habitat

Humid forest, coast, rivers, lakes and marshes.

Photo by BirdsPeru
Buenos Aires, Argentina, October 2005

Behaviour

Breeding

They nest in a hollow lined with vegetation. The clutch consists of 2 to 4 eggs.

Diet

The diet includes marine invertebrates and small fish.

References

  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. Avibase
  3. Arthur Grosset
  4. Birds of the Falkland Islands
  5. Jaramillo, A. 2003. Birds of Chile. Princeton & Oxford: Princeton Univ. Press. ISBN 978-0691117409
  6. Howell, S.N.G. & Dunn, J.L. (2007) Gulls of the Americas. Houghton Mifflin, Boston.
  7. Burger, J., Gochfeld, M. & Garcia, E.F.J. (2019). Brown-hooded Gull (Larus maculipennis). 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/53994 on 22 January 2019).
  8. Brown-hooded Gull (Chroicocephalus maculipennis), In Neotropical Birds Online (T. S. Schulenberg, Editor). Cornell Lab of Ornithology, Ithaca, NY, USA. retrieved from Neotropical Birds Online: https://neotropical.birds.cornell.edu/Species-Account/nb/species/brhgul2

Recommended Citation

External Links

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