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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.[1]

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.[2]

There are four species:[1]

The Chubut Steamer Duck was only described in 1981.[1]

References

  1. ^ 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 |isbn= value: checksum (help). 
  2. ^ 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. 

External links

  • Commons-logo.svg Media related to Tachyeres at Wikimedia Commons


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