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Crested Duck

From Opus

Revision as of 22:44, 30 June 2011 by Deliatodd-18346 (Talk | contribs)
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Photo by rdavis Saunder's Island, Falkland Islands, January 2011
Photo by rdavis
Saunder's Island, Falkland Islands, January 2011
Lophonetta specularioides

Anas specularioides

Contents

[edit] Identification

  • Large
  • Short crest produces a specific head shape when seen from the side
  • Pale brown
  • Flanks have marbled appearance
  • Red iris in nominate, orange to yellow in alticola
  • Bill dark gray
  • Grey legs
  • Wings with white speculum, in front of that a black stripe, and in front of that a violet band

[edit] Distribution

South America: found in Peru, Bolivia, Chile, Argentina and the Falkland Islands.

[edit] Taxonomy

[edit] Subspecies

Lophonetta specularioides has two subspecies:1

  • L. s. alticola
  • L. s. specularioides

[edit] Habitat

Mostly freshwater, lakes and ponds; in the south at sea level but in northern populations in Andean highland wetlands and lakes. Altitudinal migrant in some areas.

[edit] Behaviour

[edit] Diet

The diet includes algae and invertebrates.

[edit] Breeding

It builds its nest in shrubs near to water. The clutch consists of 5-7 eggs.

[edit] References

  1. Clements, JF. 2010. The Clements Checklist of Birds of the World. 6th ed., with updates to December 2010. Ithaca: Cornell Univ. Press. ISBN 978-0801445019. Spreadsheet available at http://www.birds.cornell.edu/clementschecklist/Clements%206.5.xls/view
  2. Alvaro Jaramillo. 2003. Birds of Chile. Princeton Field Guides. ISBN 0-691-11740-3
  3. Wikipedia
  4. Arthur Grosset

[edit] External Links

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