Animalia > Chordata > Aves > Anseriformes > Anatidae > Lophonetta > Lophonetta specularioides

Lophonetta specularioides (Crested Duck)

Synonyms: Anas specularioides; Lophonetta specularoides

Wikipedia Abstract

The crested duck (Lophonetta specularioides) is a species of duck native to South America, the belonging to the monotypic genus Lophonetta. It is sometimes included in Anas, but it belongs to a South American clade that diverged early in dabbling duck evolution. There are two subspecies: L. specularioides alticola (Andean crested duck) and L. specularioides specularioides (Patagonian crested duck). The Patagonian crested duck is also called the southern crested duck and its range lies in the Falklands, Chile, and Argentina.
View Wikipedia Record: Lophonetta specularioides

Infraspecies

EDGE Analysis

Uniqueness Scale: Similiar (0) 
1
 Unique (100)
Uniqueness & Vulnerability Scale: Similiar & Secure (0) 
14
 Unique & Vulnerable (100)
ED Score: 4.50857
EDGE Score: 1.70631

Attributes

Adult Weight [1]  2.251 lbs (1.021 kg)
Female Weight [1]  2.127 lbs (965 g)
Male Weight [1]  2.377 lbs (1.078 kg)
Weight Dimorphism [1]  11.7 %
Diet [2]  Carnivore (Invertebrates), Herbivore
Diet - Invertibrates [2]  90 %
Diet - Plants [2]  10 %
Forages - Water Surface [2]  100 %
Clutch Size [4]  7
Clutches / Year [1]  1
Incubation [3]  30 days
Migration [5]  Intracontinental
Snout to Vent Length [1]  22 inches (56 cm)

Ecoregions

Name Countries Ecozone Biome Species Report Climate Land
Use
Central Andean wet puna Peru, Bolivia Neotropic Montane Grasslands and Shrublands

Protected Areas

Important Bird Areas

Name Location  IBA Criteria   Website   Climate   Land Use 
Comodoro Rivadavia Argentina A1, A4i
Cordillera Huayhuash y Nor-Oyón Peru A1, A2, A3

Biodiversity Hotspots

Name Location Endemic Species Website
Tropical Andes Argentina, Bolivia, Chile, Colombia, Ecuador, Peru, Venezuela Yes

Prey / Diet

Empetrum rubrum (red crowberry)[6]

Consumers

Parasitized by 
Cloacotaenia megalops[7]
Fimbriaria fasciolaris[7]

Range Map

External References

Audio

Play / PauseVolume
Provided by Xeno-canto under a Creative Commons BY-NC-ND 2.5 License Author: Alvaro Jaramillo

Citations

Attributes / relations provided by
1Nathan P. Myhrvold, Elita Baldridge, Benjamin Chan, Dhileep Sivam, Daniel L. Freeman, and S. K. Morgan Ernest. 2015. An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles. Ecology 96:3109
2Hamish Wilman, Jonathan Belmaker, Jennifer Simpson, Carolina de la Rosa, Marcelo M. Rivadeneira, and Walter Jetz. 2014. EltonTraits 1.0: Species-level foraging attributes of the world's birds and mammals. Ecology 95:2027
3del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.
4A comparative study of egg mass and clutch size in the Anseriformes, Jordi Figuerola and Andy J. Green, J Ornithol (2006) 147: 57–68
5Myers, P., R. Espinosa, C. S. Parr, T. Jones, G. S. Hammond, and T. A. Dewey. 2006. The Animal Diversity Web (online). Accessed February 01, 2010 at animaldiversity.org
6Jorrit H. Poelen, James D. Simons and Chris J. Mungall. (2014). Global Biotic Interactions: An open infrastructure to share and analyze species-interaction datasets. Ecological Informatics.
7Gibson, D. I., Bray, R. A., & Harris, E. A. (Compilers) (2005). Host-Parasite Database of the Natural History Museum, London
Ecoregions provided by World Wide Fund For Nature (WWF). WildFinder: Online database of species distributions, ver. 01.06 Wildfinder Database
Biodiversity Hotspots provided by Critical Ecosystem Partnership Fund
Abstract provided by DBpedia licensed under a Creative Commons License
Audio software provided by SoundManager 2
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0