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Yellow-billed Duck - BirdForum Opus

Revision as of 19:24, 3 April 2009 by AlanManson-37216 (talk | contribs) (Taxonomy)
Photo by Mybs
Location: Helderberg Nature Reserve, Western Cape, South Africa
Anas undulata

Identification

Grey, darker head, bright yellow bill, wings are white below with white-bordered green speculum. Sexes are similar, and juveniles are slightly duller than adults. The north-eastern race is darker and has a brighter bill and blue speculum.


Distribution

Southern and eastern Africa.

Taxonomy

Anas undulata has two subspecies:[1]

  • A. u. undulata
  • A. u. rueppelli

Habitat

Freshwater in fairly open country.

Behaviour

The diet includes plant food for which it dabbles mainly in the evening or at night.

It nests on the ground in dense vegetation near water; 6-12 eggs are laid.

References

  1. Clements, JF. 2008. The Clements Checklist of Birds of the World. 6th ed., with updates to December 2008. Ithaca: Cornell Univ. Press. ISBN 978-0801445019. Spreadsheet available at http://www.birds.cornell.edu/clementschecklist.

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