AFRICAN RED-BILLED DUCK 
ANAS ERYTHRORHYNCHA Gmelin 
(Plate 41) 
Synonymy 
Anas erythrorhyncha Gmelin, Linne’s Systema Naturae, ed. 13, vol. 1, pt. 2, p. 517, 
1788. 
Anas melanura Vieillot (nee Gmelin), Nouveau Dictionnaire d’Hist. Nat., vol. 5, 
p. 135, 1816. 
Tadorna erythrorhyncha Stephens, General Zool., vol. 12, pt. 2, p. 75, 1824. 
Querquedula erythrorhyncha Smith, Cat. South African Mus., p. 36, 1837. 
Paecilonitta erythrorhyncha Eyton, Monograph Anatidae, p. 115, 1838. 
Mareca erythrorhyncha Hartlaub, Verzeichniss nat.-hist. Sammlung Ges. Mus., p. 119, 
1844. 
Anas pyrrhorhyncha Forster, leones Inedit., pi. 73; Descript. Animalium, p. 45, 1844. 
Poecilonitta erythrorhyncha Riippell, Systemat. Uebersicht der Vogel Nord-Ost- 
Afrikas, p. 138, 1845. 
Anas punctata Reichenbach (nec Burchell), Synopsis Avium, Natatores, pi. 85, fig. 
915-916, 1845. 
Dafila erythrorhyncha Blyth, Cat. Birds Mus. Asiatic Soc. Bengal, p. 304, 1849. 
Poecilonetta erythrorhyncha Gurney, Ibis, ser. 1, vol. 1, p. 251, 1859. 
Nettion erythrorhyncha G. R. Gray, Hand-list Birds, vol. 3, p. 84, 1871. 
Querquedula pyrrhorhyncha Holub, Beitr. Ornith. Siidafrikas, p. 330, 1882. 
Vernaculae Names 
English: Red-billed Teal, Red-billed Duck, Crimson-billed Duck. 
German: Rotschnabel Ente, Rotschnablige Krickente. 
French: Canard a bee rouge. 
Dutch: Smee-Eednje, Rood-bek Eend. 
Hova: Fotsielatra. 
Local Madagascan: Rahaky, Sadakely, Faralambotra, Filamatra, Lovilovy. 
Basido: Semto letata. 
Entebbe: Dinoili. 
Angola: Deleca. 
DESCRIPTION 
Adult Male: Top of the head to the eyes dark brown, sharply defined from the buffy white of the 
sides of the face, chin and throat. Neck gray, mottled with small black spots. Mantle dark brown 
