World Bird List

Species factsheet
Hadada Ibis (Bostrychia hagedash)

Order: Bostrychia hagedash
Family: Ibises, Spoonbills (Threskiornithidae)

Voices can be found here (external link)
Subspecies and Distribution
Subspecie Distribution
nilotica Sudan and Ethiopia to ne DR Congo, Uganda and nw Tanzania
brevirostris Senegal to Kenya and s to Zambia and n Mozambique
hagedash southern Africa