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Black-necked Swan

From Opus

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[[South America]]: found in [[Brazil]], [[Chile]], [[Argentina]], [[Tierra del Fuego]] and the [[Falkland Islands]]. [[South America]]: found in [[Brazil]], [[Chile]], [[Argentina]], [[Tierra del Fuego]] and the [[Falkland Islands]].
==Taxonomy== ==Taxonomy==
-This is a [[Dictionary_M-O#M|monotypic]] species<sup>[[#References|[1]]]</sup>.+This is a [[Dictionary_M-O#M|monotypic]] species<sup>[[#References|[1]]]</sup>. <br />Formerly placed in the monospecific genus ''Sthenelides''. The specific name is sometimes misspelled ''melanocorypha'', e.g. by HBW, Sibley & Monroe and others. The change to ''melancoryphus'' was necessitated for gender agreement when the species was moved to ''Cygnus'' but ''melanocoryphus'' was used by Clements until the 2007 revision of their sixth edition and that misspelling is common in older publications.
==Habitat== ==Habitat==

Revision as of 19:14, 21 January 2019

Photo © by Fritz73Costanera Sur Ecological Reserve, Buenos Aires, Argentina, 2003
Photo © by Fritz73
Costanera Sur Ecological Reserve, Buenos Aires, Argentina, 2003
Cygnus melancoryphus

Contents

Identification

Males - 115-140 cm; females - 102-124 cm

  • White body
  • Black neck and head
  • Greyish bill
  • Red knob near base of bill
  • White stripe behind eye

Cygnet - Plumage light grey, bill and feet black.

Distribution

South America: found in Brazil, Chile, Argentina, Tierra del Fuego and the Falkland Islands.

Taxonomy

This is a monotypic species[1].
Formerly placed in the monospecific genus Sthenelides. The specific name is sometimes misspelled melanocorypha, e.g. by HBW, Sibley & Monroe and others. The change to melancoryphus was necessitated for gender agreement when the species was moved to Cygnus but melanocoryphus was used by Clements until the 2007 revision of their sixth edition and that misspelling is common in older publications.

Habitat

Freshwater marshes, lagoon and lake shores.

Behaviour

Breeding

The nest is a mound of vegetation. The clutch consists of four to six eggs.

Diet

The diet includes vegetation, insects and fish spawn.

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. Wikipedia contributors. (2018, August 22). Black-necked swan. In Wikipedia, The Free Encyclopedia. Retrieved 09:38, January 21, 2019, from https://en.wikipedia.org/w/index.php?title=Black-necked_swan&oldid=856019686
  4. Carboneras, C. & Kirwan, G.M. (2019). Black-necked Swan (Cygnus melancoryphus). 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/52805 on 21 January 2019
  5. Black-necked Swan (Cygnus melancoryphus), 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/blnswa2

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