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The yellow-billed duck (Anas undulata) is a 51–58 cm long dabbling duck which is an abundant resident breeder in southern and eastern Africa.This duck is not migratory, but wanders in the dry season to find suitable waters.
A. s. leucostigma Rüppell 1845 (pink-billed black duck) A. s. sparsa Eyton 1838 (South African black duck) Anas melleri Sclater 1865 (Meller's duck) EN C2a(ii) Anas undulata Dubois 1839 (yellow-billed duck) LC. A. u. ruppelli Blyth 1855 (northern yellow-billed duck) A. u. undulata Dubois 1839 (southern yellow-billed duck)
African black duck, Anas sparsa; Yellow-billed duck, Anas undulata; Cape teal, Anas capensis; Red-billed duck, Anas erythrorhyncha; Northern pintail, Anas acuta; Green-winged teal, Anas crecca; Southern pochard, Netta erythrophthalma; Common pochard, Aythya ferina (A) (vulnerable) Tufted duck, Aythya fuligula; Maccoa duck, Oxyura maccoa ...
Yellow-billed duck: Anas undulata Dubois, CF, 1838: 95 Meller's duck: Anas melleri Sclater, PL, 1865: 96 Pacific black duck: Anas superciliosa Gmelin, JF, 1789: 97 Laysan duck: Anas laysanensis Rothschild, 1892: 98 Hawaiian duck: Anas wyvilliana Sclater, PL, 1878: 99 Philippine duck: Anas luzonica Fraser, 1839: 100 Indian spot-billed duck: Anas ...
The yellow-billed pintail was formally described in 1789 by the German naturalist Johann Friedrich Gmelin in his revised and expanded edition of Carl Linnaeus's Systema Naturae. He placed it with all the ducks, geese, and swans in the genus Anas and coined the binomial name Anas georgica . [ 2 ]
Yellow-billed duck; Yellow-billed pintail; Yellow-billed teal This page was last edited on 31 December 2018, at 14:29 (UTC). Text is available under ...
The thick-knees are a group of largely tropical waders in the family Burhinidae. They are found worldwide within the tropical zone, with some species also breeding in temperate Europe and Australia. They are medium to large waders with strong black or yellow-black bills, large yellow eyes and cryptic plumage.
They are the size of a large duck or small goose, which they somewhat resemble when swimming, but to which they are completely unrelated. Red-throated loon, Gavia stellata; Arctic loon, Gavia arctica; Pacific loon, Gavia pacifica; Common loon, Gavia immer; Yellow-billed loon, Gavia adamsii