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Crested Duck

From Opus

Male, subspecies alticolaPhoto © by bievreJJ Pujsa Salt Flat, Atacama, Chile, October 2012
Male, subspecies alticola
Photo © by bievreJJ
Pujsa Salt Flat, Atacama, Chile, October 2012
Lophonetta specularioides

Anas specularioides

Contents

[edit] Identification

Female on left, male on right, Nominate subspeciesPhoto © by Dave ClarkStanley Harbor, Falkland Islands, January 2012
Female on left, male on right, Nominate subspecies
Photo © by Dave Clark
Stanley Harbor, Falkland Islands, January 2012

51–61 cm (20-24 in)

  • 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

Sexes similar but females are darker than the male.

[edit] Distribution

Chasing Yellow-billed TealPhoto © by Stanley JonesCordillera Blancas, Lagunas Llanganuco, Yungay, Ancash, Peru, August 2017
Chasing Yellow-billed Teal
Photo © by Stanley Jones
Cordillera Blancas, Lagunas Llanganuco, Yungay, Ancash, Peru, August 2017

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

Ducklings, subspecies alticolaPhoto © by Stanley JonesYungay, Huascarán National Park, Áncash, Peru, August 2017
Ducklings, subspecies alticola
Photo © by Stanley Jones
Yungay, Huascarán National Park, Áncash, Peru, August 2017

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

Their main diet consists of insects and their larvae, and molluscs. They also eat some plants and algae.

[edit] Breeding

They build their nest in shrubs near to water. The clutch contains 5-7 eggs.

[edit] 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. Alvaro Jaramillo. 2003. Birds of Chile. Princeton Field Guides. ISBN 0-691-11740-3
  3. Arthur Grosset
  4. Handbook of the Birds of the World Alive (retrieved Sept 2017)

[edit] External Links

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