Yellow-billed Duck

SCI Name:  Anas undulata
Protonym:  Anas undulata Orn.Gallerie 1 p.119
Taxonomy:  Anseriformes / Anatidae / Anas
Taxonomy Code:  yebduc1
Type Locality:  Cape of Good Hope.
Author:  Dubois, CF
Publish Year:  1839
IUCN Status:  Least Concern

DEFINITIONS

ANAS
(Anatidae; Ϯ Mallard A. platyrhynchos) L. anas, anatis  duck.  The Mallard is the wild ancestor of the farmyard duck and its many domesticated forms; "61. ANAS.  Rostrum lamelloso-dentatum, convexum, obtusum.  Lingua ciliata, obtusa." (Linnaeus 1758); "Anas Linnaeus, 1758, Syst. Nat., ed. 10, p. 122. Type, by subsequent designation (Lesson, 1828, Man. Ornith., 2, p. 417), Anas boschas Linnaeus = Anas platyrhynchos Linnaeus." (Johnsgard in Peters, 1979, I, ed. 2, p. 460).  Linnaeus's Anas comprised thirty-nine species (A. Cygnus, A. Cygnoid, A. Tadorna, A. spectabilis, A. fusca, A. nigra, A. Anser, A. erythropus, A. canadensis, A. cærulescens, A. Bernicla, A. mollissima, A. moschata, A. bahamensis, A. Albeola, A. clypeata, A. platyrhynchos, A. strepera, A. bucephala, A. Clangula, A. rustica, A. perspicillata, A. Glaucion, A. Penelope, A. acuta, A. hyemalis, A. ferina, A. Querquedula, A. Crecca, A. histrionica, A. minuta, A. Circia, A. autumnalis, A. Boschas, A. adunca, A. galericulata, A. Sponsa, A. arborea, A. Fuligula).    
Var. Annas, Anos, Anus, Asnas.   
Synon. Aethiopinetta, Afranas, Aldabranas, Archeoquerquedula, Boschas, Crecca, Dafila, Dafilonettion, Dafilula, Elasmonetta, Horizonetta, Melananas, Micronetta, Nesonetta, Nettion, Notonetta, Pachyanas, Paecilonitta, Phasianurus, Philippinetta, Polionetta, Trachelonetta, Virago, Xenonetta.

undulata / undulatus
L. undulatus furnished with wave-like markings < unda wave.
● ex “Ynambú listado” of de Azara 1802-1805, no. 331 (Crypturellus).
● ex “Bécasse des savanes de Cayenne” of d’Aubenton 1765-1781, pl. 895 (Gallinago).
● ex “Ondulé” of Levaillant 1805, pl. 156 (syn. Muscicapa adusta).
● ex “Calao à Casque Festonné” of Levaillant 1801 (Rhyticeros).
● ex “Petit Butor de Cayenne” of d’Aubenton 1765-1781, pl. 763, and de Buffon 1770-1786, and “Zigzag Bittern” of Latham 1785 (Zebrilus).
● ex “Gobe-mouche de l’île de France” of de Buffon 1770-1783, and “Undulated Fly-catcher” of Latham 1783 (unident.).
● ex “Perruche Ara à bandeau rouge” of Levaillant 1801-1805 (unident.).

SUBSPECIES

Yellow-billed Duck (undulata)
SCI Name: Anas undulata undulata
undulata / undulatus
L. undulatus furnished with wave-like markings < unda wave.
● ex “Ynambú listado” of de Azara 1802-1805, no. 331 (Crypturellus).
● ex “Bécasse des savanes de Cayenne” of d’Aubenton 1765-1781, pl. 895 (Gallinago).
● ex “Ondulé” of Levaillant 1805, pl. 156 (syn. Muscicapa adusta).
● ex “Calao à Casque Festonné” of Levaillant 1801 (Rhyticeros).
● ex “Petit Butor de Cayenne” of d’Aubenton 1765-1781, pl. 763, and de Buffon 1770-1786, and “Zigzag Bittern” of Latham 1785 (Zebrilus).
● ex “Gobe-mouche de l’île de France” of de Buffon 1770-1783, and “Undulated Fly-catcher” of Latham 1783 (unident.).
● ex “Perruche Ara à bandeau rouge” of Levaillant 1801-1805 (unident.).

Yellow-billed Duck (ruppelli)
SCI Name: Anas undulata ruppelli
ruppeli / ruppelli
Wilhelm Peter Eduard Simon Rüppell (1794-1884) German zoologist, explorer in north-east Africa and the Middle East (syn. Argya squamiceps, Eurocephalus, Sylvia).