Avibase: Anas undulata (Yellow-billed Duck)

Yellow-billed Duck

Anas undulata Dubois, CF 1839

Related taxa:

Partial list of sound recordings available from xeno-canto & macaulaylibrary.org.

Species name	Recordist	Date	Location	Remarks	Cat.nr.
Yellow-billed Duck - Anas undulata	African Bioacoustics Community	2026-03-07	Uitzicht Greenbelt Body of Water (near Cape Town), City of Cape Town Metropolitan Municipality, Western Cape, Kuils River (South Africa) (90 m)	call - 250HP, -3dB normalised. Recordist - A.Karamitsos	1087296 xeno-canto.org
Yellow-billed Duck - Anas undulata	African Bioacoustics Community	2026-02-27	Uitzicht Greenbelt Body of Water (near Cape Town), City of Cape Town Metropolitan Municipality, Western Cape, Kuils River (South Africa) (100 m)	call, flight call - 250HP, -3dB normalised. Recordist - A.Karamitsos	1084436 xeno-canto.org
Yellow-billed Duck - Anas undulata	Harerimana Joachim	2026-02-15	, Ouest (Rwanda)	-	651535500 macaulaylibrary.org
Yellow-billed Duck - Anas undulata	Peter Boesman	2014-10-26	Ladysmith area, Kwazulu-Natal, Kwazulu-Natal (South Africa)	call - [sono]	279774 xeno-canto.org
Yellow-billed Duck - Anas undulata	African Bioacoustics Community	2026-02-27	, Western Cape (South Africa)	-	652076278 macaulaylibrary.org
Yellow-billed Duck - Anas undulata	David Moyer	2026-05-10	, Iringa Rural (Tanzania)	-	657179464 macaulaylibrary.org
Yellow-billed Duck - Anas undulata	African Bioacoustics Community	2025-10-02	, Western Cape (South Africa)	-	644578098 macaulaylibrary.org
Yellow-billed Duck - Anas undulata	Bernard BOUSQUET	2025-07-21	Mbamba Bay, Lake Victoria, Uganda (Uganda) (1100 m)	flight call - [sono]	1053126 xeno-canto.org
Yellow-billed Duck - Anas undulata	African Bioacoustics Community	2025-10-02	Botterblom Nature Reserve (near Cape Town), City of Cape Town Metropolitan Municipality, Western Cape, Kuils River (South Africa) (130 m)	flight call - 250Hz high pass filter, -3dB normalised. Recordist - A.Karamitsos	1051974 xeno-canto.org
Yellow-billed Duck - Anas undulata	ITWITAHO Ennice	2026-02-15	, Ouest (Rwanda)	-	652187027 macaulaylibrary.org
Yellow-billed Duck - Anas undulata	Tony Archer	2021-08-22	City of Matlosana (near Hartbeesfontein), Southern DC, North West, Klerksdorp (South Africa) (1500 m)	Common River Frog, adult, flight call, sex uncertain - Calling as they flew up from small farm dam in middle of fallow lands bird-seen:no playback-used:no	669985 xeno-canto.org
Yellow-billed Duck - Anas undulata	African Bioacoustics Community	2026-03-17	, Western Cape (South Africa)	-	653029345 macaulaylibrary.org
Yellow-billed Duck - Anas undulata	African Bioacoustics Community	2026-03-07	, Western Cape (South Africa)	-	652632800 macaulaylibrary.org
Yellow-billed Duck - Anas undulata	African Bioacoustics Community	2026-03-07	Uitzicht Greenbelt Body of Water (near Cape Town), City of Cape Town Metropolitan Municipality, Western Cape, Kuils River (South Africa) (90 m)	call, whistle - 250HP, -3dB normalised. Recordist - A.Karamitsos	1087294 xeno-canto.org
Yellow-billed Duck - Anas undulata	Peter Boesman	2015-12-10	Sanetti Plateau, Bale mountains, Oromia (Ethiopia)	call - [sono]	299942 xeno-canto.org
Yellow-billed Duck - Anas undulata	Peter Boesman	2013-02-02	Nylsvley Nature Reserve, Limpopo, Limpopo Province (South Africa)	call - [sono]	279773 xeno-canto.org
Yellow-billed Duck - Anas undulata	Peter Boesman	2015-12-10	Sanetti Plateau, Bale mountains, Oromia (Ethiopia)	call - [sono]	299941 xeno-canto.org
Yellow-billed Duck - Anas undulata	African Bioacoustics Community	2026-04-01	, Western Cape (South Africa)	-	653956098 macaulaylibrary.org
Yellow-billed Duck - Anas undulata ruppelli	Andrew Spencer	2014-12-31	Dinsho wetlands, Oromia (Ethiopia) (3000 m)	call - calls from one of a flock of this species flushing and then landing again, with a female decrescendo at the beginning and some male quacks at the end. bird-seen:yes playback-used:no	267744 xeno-canto.org
Yellow-billed Duck - Anas undulata	African Bioacoustics Community	2025-10-02	Botterblom Nature Reserve (near Cape Town), City of Cape Town Metropolitan Municipality, Western Cape, Kuils River (South Africa) (130 m)	call - Duckling left on its own - that's when it vocalises. Adults nearby flying and occasionally calling in flight. 250Hz high pass filter, -3dB normalised. Recordist - A.Karamitsos	1051976 xeno-canto.org
Yellow-billed Duck - Anas undulata	African Bioacoustics Community	2025-10-02	, Western Cape (South Africa)	-	644578099 macaulaylibrary.org
Yellow-billed Duck - Anas undulata	Peter Boesman	2017-09-29	Bontebok National Park, Swellendam, Western Cape, Western Cape (South Africa)	call - Calls of male and female.	392280 xeno-canto.org
Yellow-billed Duck - Anas undulata	African Bioacoustics Community	2025-10-02	, Western Cape (South Africa)	-	644578012 macaulaylibrary.org
Yellow-billed Duck - Anas undulata	Andrew Spencer	2015-01-09	Lake Awassa, Southern Nations, Nationalities and Peoples (Ethiopia) (1700 m)	call - calls from a small flock of birds first on the water and then in flight after flushing, at the edge of a large lake. bird-seen:yes playback-used:no	277059 xeno-canto.org

Note: a maximum of 20 records are shown. For more recordings of this species, as well as maps, sonograms, and advanced searches, please visit xeno-canto & macaulaylibrary.org.

Xeno-Canto: all recordings are copyrighted by their recordists and appear here under a Creative Commons Attribution-NonCommercial-NoDerivs 2.5 License.

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