|Falkland Steamer Duck, Tachyeres brachypterus|
The steamer ducks are a genus (Tachyeres) of ducks in the family Anatidae. All of the four species occur in South America, and all except the Flying Steamer Duck are flightless; even this one species capable of flight rarely takes to the air.
They are usually placed in the shelduck subfamily Tadorninae. However, mtDNA sequence analyses of the cytochrome b and NADH dehydrogenase subunit 2 genes indicate that Tachyeres rather belongs into a distinct clade of aberrant South American dabbling ducks, which also includes the Brazilian, the Crested, and the Bronze-winged Ducks.
There are four species:
- Flying Steamer Duck Tachyeres patachonicus
- Fuegian Steamer Duck Tachyeres pteneres
- Chubut Steamer Duck Tachyeres leucocephalus
- Falkland Steamer Duck Tachyeres brachypterus
The Chubut Steamer Duck was only described in 1981.
- ^ a b c Livezey, Bradley C.; Humphrey, Philip Strong (1992). Taxonomy and Identification of Steamer-Ducks (Anatidae: Tachyeres). Monograph of the Museum of Natural History, the University of Kansas. No. 8. Lawrence, Kansas: Museum of Natural History, University of Kansas. ISBN 0-89338-024-3 Check
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- ^ Johnson, Kevin P.; Sorenson, Michael D. (1999). "Phylogeny and biogeography of dabbling ducks (genus Anas): a comparison of molecular and morphological evidence" (PDF). Auk. 116 (3): 792–805.
- Media related to Tachyeres at Wikimedia Commons
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