Mangoverde :: World Bird Guide :: Ducks, Geese and Swans :: Crested Duck

Crested Duck Anas specularioides

Described by: King (1828)
Alternate common name(s): South Amercian Crested Duck, Andean Crested Duck, Patagonian Crested Duck
Old scientific name(s): Lophonetta specularioides, Tadorna specularioides


New Island, Falkland Islands - Feb, 2001 © Stuart MacKay  Peru - Aug, 2002 © Giuliano Gerra and Silvio Sommazzi  Lauca National Park, Region I, Chile - Feb, 2007 © Arthur Grosset  Ushuaia, Argentina - Nov 10, 2004 © Michael G. Shepard  Tierra del Fuego, Chile - Mar, 2007 © Lou Hegedus 
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Andes of c. to s. South America; Falkland Is.;
Two populations;
(1) High Andes of Peru (Huanuco, Ancash, Amazonas and Lake Junin) and c. and s. Bolivia s. to 35S in n. Chile (Lontue) and 38S in nw. Argentina. The two races intergrade in the Andes of Talca, n. Chile.
(2) Highlands of Chile s. in the Andes from Talca, Laguna del Maula and generally s. from Aisen, then in the Andes of Argentina from s. from Mendoza and Neuquen to (Patagonia) Chubut, Santa Cruz to Tierra del Fuego, Cape Horn and the Falkland Is. Its breeding range becomes coastal s. of 45S in Chile and 42S in Argentina.
Winters n. to ne. Argentina (Buenos Aires Province, Mar del Plata)


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Clements, James F. Birds of the World: A Checklist. Vista, CA: Ibis Publishing Company, 2000.


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