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 LC    Yellow-billed Duck* Id (Atlas):
    Anas undulata

Description (10)
Image of Yellow-billed Duck
 

Other Names (World)
Yellow-billed Duck, African Yellow billed Duck, Yellowbill

Family
Anatidae (Ducks, Geese, Swans)

Size
51 - 58 cm

First Described (Guide)
Dubois, 1839

Habitat
Slow-flowing rivers with pools and adjacent flooded grasslands, permanent and seasonal lakes, streams, marshes, brackish coastal lagoons, artificial reservoirs associated with mining, dams, salt pans, sewage works, open water of estuaries. Avoids fast-flowing water.

Range (Guide)
Angola, Botswana, Burundi, Congo [The Democratic Republic of the], Djibouti, Eritrea, Ethiopia, Kenya, Lesotho, Malawi, Mozambique, Namibia, Rwanda, South Africa (B), Sudan, Swaziland, Tanzania [United Republic of], Uganda, Zambia, Zimbabwe.

Vagrant to Cameroon, Somalia.

Rarity Status
Currently this species is not classified as a rarity in this country OR information has not been updated.

Population
Estimated population is 150,000 - 1,100,000 (2010).

Status LC
Pollution and hybridization with introduced Northern Mallard (Anas platyrhynchos) are the main threats.

For more information see BirdLife International Species Factsheet.

Food
Omnivorous. Fruits, seeds, roots, leaves and stems of aquatic and terrestrial plants, aquatic insects and their larvae, crustaceans, molluscs, agricultural grains such as maize and sunflower seeds.

Voice
Xeno-Canto Sound Files (more (32)...)

 
Yellow-billed Duck (Anas undulata) [XC392280]
     by Tony Archer from Bontebok National Park, Swellendam, Western Cape, South Africa (call)

 
Yellow-billed Duck (Anas undulata) [XC469014]
     by Frank Lambert from Klerksdorp, Southern DC, North West, South Africa (call)

Nest
Composed of grass, rushes and reed stems, located on the ground and usually protected and screened from above by dense, overhanging vegetation. Some nests may have tunnel access through the surrounding grass.

Subspecies
Forms a superspecies with Northern Mallard (Anas platyrhynchos), American Black Duck (Anas rubripes) and Meller's Duck (Anas melleri).

The following 2 subspecies are recognised:

  • undulata Dubois, 1839   -  Kenya south-west to Angola and southwards to Cape Province.
  • ruppelli Blyth, 1855   -  Eritrea, Ethiopia, and eastern South Sudan to northern Uganda (now extirpated?) and northern Kenya.



References
See References.


Files:
JPG files for Yellow-billed Duck (Anas undulata) - 10 files


More Information

BirdLife International

For more information about the Yellow-billed Duck see... Show Articles BirdLife International Species Factsheet.


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