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Taken 1-Feb-11
Visitors 3


11 of 48 photos
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Categories & Keywords

Category:Animals
Subcategory:Birds
Subcategory Detail:
Keywords:Anas undulata, Emmarentia Dam, Johannesburg, South Africa, bird, yellow billed duck
Photo Info

Dimensions2048 x 1638
Original file size1.98 MB
Image typeJPEG
Color spaceProPhoto RGB
Date taken2-Feb-11 04:02
Date modified9-Nov-14 15:54
Shooting Conditions

Camera makeCanon
Camera modelCanon EOS 5D Mark II
Focal length400 mm
Max lens aperturef/5.7
Exposure1/2500 at f/5.6
FlashNot fired, compulsory mode
Exposure bias0 EV
Exposure modeAuto
Exposure prog.Aperture priority
ISO speedISO 400
Metering modePattern
Yellow-billed Duck (Anas undulata)

Yellow-billed Duck (Anas undulata)

Yellow-billed Duck (Anas undulata)


22 inches long

Surprisingly obvious name. Note flash of blue on wing.

Found from South Africa north (including Angola) to Central Africa and Ethiopia. Not in the drier Namibia and Botswana, and not in north or west Africa north of a line from Angola to Ethiopia.

Common and gregarious species that occurs in large flocks except when breeding. Found on all open waters (lakes), rivers, and estuaries.

Feeds by upending or putting its head in water. Eats grass and monocotyledon seeds (true grasses and grains).


Photographed at Emmarentia Dam, Johannesburg, South Africa.