Bronze-winged Duck
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| Speculanas specularis (King, 1828) |
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Anas specularis |
The Bronze-winged Duck (Speculanas specularis) is a dabbling duck, the sole member of its genus Speculanas. It is often placed in Anas with most other dabbling ducks, but its closest relative is either the Crested Duck or the Brazilian Duck, which likewise form monotypic genera. Together they belong to a South American lineage which diverged early from the other dabbling ducks (Johnson & Sorenson, 1999) and may include the steamer ducks.
Named after the "bronze" speculum this species is also known as "pato perro" or "dog-duck" after the harsh barking call of the female.
S. specularis lives among forested rivers and fast-flowing streams on the lower slopes of the South American Andes, in Central Chile and Argentina.
Sexes are alike.
[edit] References
- Johnson, Kevin P. & Sorenson, Michael D. (1999): Phylogeny and biogeography of dabbling ducks (genus Anas): a comparison of molecular and morphological evidence. Auk 116(3): 792–805. PDF fulltext
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