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| − | {{ | + | [[Image:Crested Duck male Laguna Huacracocha.jpg|thumb|500px|right|Male, subspecies ''alticola''<br />Photo by {{user|Stanley+Jones|Stanley Jones}} <br />Laguna Huacracocha, Junín, [[Peru]], August 2017]] |
| − | ;Anas specularioides | + | ;[[:Category:Lophonetta|Lophonetta]] specularioides |
| − | [[Image: | + | ''Anas specularioides'' |
| + | ==Identification== | ||
| + | [[Image:20120117 154932.jpg|thumb|350px|right|Female on left, male on right, Nominate subspecies<br />Photo by {{user|Dave+Clark|Dave Clark}}<br />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. | |
==Distribution== | ==Distribution== | ||
| + | [[Image:Crested Duck chasing Yellow-billed Teal.jpg|thumb|350px|right|Chasing [[Yellow-billed Teal]]<br />Photo by {{user|Stanley+Jones|Stanley Jones}}<br />Cordillera Blancas, Lagunas Llanganuco, Yungay, Ancash, [[Peru]], August 2017 ]] | ||
| + | [[South America]]: found in [[Peru]], [[Bolivia]], [[Chile]], [[Argentina]] and the [[Falkland Islands]]. | ||
==Taxonomy== | ==Taxonomy== | ||
| − | + | ====Subspecies==== | |
| + | ''Lophonetta specularioides'' has two subspecies:<sup>[[#References|1]]</sup> | ||
| + | *''L. s. alticola'' | ||
| + | :*Andes of [[Peru]] and [[Bolivia]] to north-western [[Argentina]] and [[Chile]] | ||
| + | *''L. s. specularioides'' | ||
| + | :*Central Chile and Argentina to [[Tierra del Fuego]] and [[Falkland Islands]]. | ||
==Habitat== | ==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. | ||
==Behaviour== | ==Behaviour== | ||
| + | ====Diet==== | ||
| + | Their main diet consists of insects and their larvae, and molluscs. They also eat some plants and algae. | ||
| + | ====Breeding==== | ||
| + | They build their nest in shrubs near to water. The clutch consists of 5-7 eggs. | ||
| + | ==References== | ||
| + | #{{Ref-Clements6thAug17}}#Alvaro Jaramillo. 2003. Birds of Chile. Princeton Field Guides. ISBN 0-691-11740-3 | ||
| + | #Wikipedia | ||
| + | #Arthur Grosset | ||
| + | #Handbook of the Birds of the World Alive (retrieved Sept 2017) | ||
| + | {{ref}} | ||
| + | ==External Links== | ||
| + | {{GSearch|duck+specularioides}} | ||
| − | + | [[Category:Birds]] [[Category:Lophonetta]] | |
| − | |||
| − | [[Category: | ||
Revision as of 01:18, 29 November 2017
- Lophonetta specularioides
Anas specularioides
Identification
Female on left, male on right, Nominate subspecies
Photo by Dave Clark
Stanley Harbor, Falkland Islands, January 2012
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.
Distribution
Chasing Yellow-billed Teal
Photo by Stanley Jones
Cordillera Blancas, Lagunas Llanganuco, Yungay, Ancash, Peru, August 2017
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.
Taxonomy
Subspecies
Lophonetta specularioides has two subspecies:1
- L. s. alticola
- L. s. specularioides
- Central Chile and Argentina to Tierra del Fuego and Falkland Islands.
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.
Behaviour
Diet
Their main diet consists of insects and their larvae, and molluscs. They also eat some plants and algae.
Breeding
They build their nest in shrubs near to water. The clutch consists of 5-7 eggs.
References
- Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2017. The eBird/Clements checklist of birds of the world: v2017, with updates to August 2017. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
- Alvaro Jaramillo. 2003. Birds of Chile. Princeton Field Guides. ISBN 0-691-11740-3
- Wikipedia
- Arthur Grosset
- Handbook of the Birds of the World Alive (retrieved Sept 2017)
Recommended Citation
- BirdForum Opus contributors. (2024) Crested Duck. In: BirdForum, the forum for wild birds and birding. Retrieved 20 April 2024 from https://www.birdforum.net/opus/Crested_Duck
