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Yellow-billed Duck - BirdForum Opus

Revision as of 22:26, 25 December 2010 by Deliatodd-18346 (talk | contribs) (Flight photo added. Distribution expanded. Attempt to disguise copied text. References updated)
Photo by Mybs
Helderberg Nature Reserve, Western Cape, South Africa, September 2004
Anas undulata

Identification

  • Grey body
  • Darker head
  • Bright yellow bill
  • Wings: white below with white-bordered green speculum (blue in the northern race)

Sexes similar. Juveniles slightly duller than adults

Photo by nkgray
Marievale wetland, Gauteng, South Africa, December 2005

Distribution

Africa
Western Africa: Mali, Cameroon, Democratic Republic of Congo and Angola
Eastern Africa: Sudan, Ethiopia, Djibouti, Kenya, Uganda, Rwanda, Burundi, Tanzania, Zambia, Mozambique and Malawi
Southern Africa: Namibia, Botswana, Zimbabwe, South Africa, KwaZulu-Natal, Lesotho and Swaziland.

Taxonomy

Anas undulata has two subspecies:[1]

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

Habitat

Freshwater in fairly open country.

Behaviour

Diet

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

Breeding

It nests on the ground in dense vegetation near water. The clutch consists of 6-12 eggs.

References

  1. Clements, JF. 2010. The Clements Checklist of Birds of the World. 6th ed., with updates to December 2010. Ithaca: Cornell Univ. Press. ISBN 978-0801445019. Spreadsheet available at http://www.birds.cornell.edu/clementschecklist/Clements%206.5.xls/view
  2. Avibase
  3. Wikipedia

Recommended Citation

External Links

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