World Bird List

Species factsheet
Yellow-billed Duck (Anas undulata)

Order: Anas undulata
Family: Ducks, Geese, Swans (Anatidae)

Voices can be found here (external link)
Subspecies and Distribution
Subspecie Distribution
ruppelli e Sudan, Ethiopia, n Kenya
undulata s Kenya to Angola and w South Africa
Annoncer