Animalia > Chordata > Aves > Anseriformes > Anatidae > Anas > Anas sibilatrix| | Anas sibilatrix (Chiloe Wigeon) | |
The Chiloe Wigeon (Anas sibilatrix) is one of three species of wigeon in the dabbling duck genus Anas. Unlike other wigeons, the sexes are similar (though the male is often slightly brighter) and pairs are monogamous. This bird has a metallic green head, and a gray bill with a black tip. Its breast is barred black and white and its sides are orange brown. It has white cheeks and a white forehead and also white on its wings. Its length is approximately 50 cm. |
| Adult Weight [1] | 1.95 lbs (884 g) | | Birth Weight [2] | 53 grams |  | | Clutch Size [3] | 6 |
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| Name |
Countries |
Ecozone |
Biome |
Species |
Report |
Map |
Climate |
Land
Use |
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Alta Paraná Atlantic forests |
Brazil, Paraguay, Argentina |
Neotropic |
Tropical and Subtropical Moist Broadleaf Forests |
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Dry Chaco |
Bolivia, Paraguay, Argentina |
Neotropic |
Tropical and Subtropical Dry Broadleaf Forests |
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Espinal |
Argentina |
Neotropic |
Temperate Grasslands, Savannas, and Shrublands |
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Humid Pampas |
Argentina |
Neotropic |
Temperate Grasslands, Savannas, and Shrublands |
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Low Monte |
Argentina |
Neotropic |
Temperate Grasslands, Savannas, and Shrublands |
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Magellanic subpolar forests |
Chile, Argentina |
Neotropic |
Temperate Broadleaf and Mixed Forests |
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Paraná flooded savanna |
Argentina |
Neotropic |
Flooded Grasslands and Savannas |
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Patagonian steppe |
Chile, Argentina |
Neotropic |
Temperate Grasslands, Savannas, and Shrublands |
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Southern Andean steppe |
Argentina, Chile |
Neotropic |
Montane Grasslands and Shrublands |
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Uruguayan savanna |
Uruguay, Brazil, Argentina |
Neotropic |
Tropical and Subtropical grasslands, savannas, and shrublands |
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Valdivian temperate forests |
Chile, Argentina |
Neotropic |
Temperate Broadleaf and Mixed Forests |
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| Name |
IUCN Category |
Area acres |
Location |
Species |
Website |
Map |
Climate |
Land Use |
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Bañados del Este Wetland Reserve |
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986054 |
Uruguay |
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Bosques Petrificados Monumental Natural National Monument |
III |
151218 |
Santa Cruz, Argentina |
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Lago Puelo National Park |
II |
47607 |
Chubut, Argentina |
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Laguna Blanca National Park |
II |
19735 |
Neuquen, Argentina |
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Lanín National Park |
II |
536819 |
Neuquen, Argentina |
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Los Alerces National Park |
II |
463045 |
Chubut, Argentina |
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Los Glaciares National Park |
II |
1329020 |
Santa Cruz, Argentina |
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Nahuel Huapi National Park |
II |
759703 |
Argentina |
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Parque Atlantico Mar Chiquita Nature Reserve |
VI |
706059 |
Cordoba, Argentina |
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Parque Nacional Laguna San Rafael National Park |
II |
4560904 |
Aisén, Chile |
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Parque Nacional Torres del Paine National Park |
II |
542393 |
Magallanes, Chile |
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Perito Moreno National Park |
II |
234320 |
Santa Cruz, Argentina |
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Reserva Natural Otamendi Strict Nature Reserve |
Ia |
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Buenos Aires, Argentina |
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Santuario de la Naturaleza Pumalín Sanctuary |
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Chile |
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Severn Estuary/ Môr Hafren |
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182155 |
England/Wales, United Kingdom |
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Tierra Del Fuego National Park |
II |
172861 |
Argentina |
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Institutions (Zoos, etc.) |
MapsLink to Map Species recognized by Peterson A.P., 23-Jan-2007, ITIS Global: The Integrated Taxonomic Information System in  Attributes / relations provided by ♦ 1A comparative study of egg mass and clutch size in the Anseriformes, Jordi Figuerola and Andy J. Green, J Ornithol (2006) 147: 5768 ♦ 2Terje Lislevand, Jordi Figuerola, and Tamás Székely. 2007. Avian body sizes in relation to fecundity, mating system, display behavior, and resource sharing. Ecology 88:1605 ♦ 3Jetz W, Sekercioglu CH, Böhning-Gaese K (2008) The Worldwide Variation in Avian Clutch Size across Species and Space PLoS Biol 6(12): e303. doi:10.1371/journal.pbio.0060303 ♦ 4Gibson, 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 gis.wwfus.org/wildfinderRange map provided by Ridgely, R. S., T. F. Allnutt, T. Brooks, D. K. McNicol, D. W. Mehlman, B. E. Young, and J. R. Zook. 2007. Digital Distribution Maps of the Birds of the Western Hemisphere, version 3.0. NatureServe, Arlington, Virginia, USA.
Data provided by NatureServe in collaboration with Robert Ridgely, James Zook, The Nature Conservancy - Migratory Bird Program, Conservation International - CABS, World Wildlife Fund - US, and Environment Canada - WILDSPACE.
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