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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. It is highly gregarious outside the breeding season and forms large flocks.
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) Anas laysanensis Rothschild 1892 (Laysan duck) CR B1ac(iv) Anas wyvilliana Sclater 1878 (Hawaiian duck) EN B1ab(ii,iii,iv,v) Anas ...
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 ...
Anatidae: Eurasian teal (Anas crecca), gadwall (Anas strepera), northern pintail (Anas acuta), mallard (Anas platyrhynchos), greater scaup (Aythya marila), long-tailed duck (Clangula hyemalis), northern shoveler (Anas clypeata), garganey (Anas querquedula), Eurasian wigeon (Anas penelope), ferruginous duck (Aythya nyroca), common goldeneye ...
Anas, the dabbling ducks proper, is the largest bird genus in the family Anatidae. Pages in category "Anas" The following 39 pages are in this category, out of 39 total.
The eastern spot-billed duck was described by the English biologist Robert Swinhoe in 1866 under its current binomial name Anas zonorhyncha. [2] [3] The name of the genus Anas is the Latin word for a duck. The specific epithet zonorhyncha is derived from the classical Greek words zōnē meaning "band" or "girdle" and rhunkhos meaning "bill". [4]
Mareca is a genus or subgenus of ducks in the family Anatidae that includes the wigeons.. The species now placed in this genus were formerly placed in the genus Anas.A molecular phylogentic study comparing mitochondrial DNA sequences published in 2009 found that the genus Anas, as then defined, was not monophyletic. [1]
Other medium-sized water birds known to have been represented in this species diet include the 1,008 g (2.2 lb) yellow-billed duck (Anas undulata), the 983 g (2.2 lb) African black duck (Anas sparsa), the 596 g (1.3 lb) African swamphen (Porphyrio madagascariensis) and the 825 g (1.8 lb) red-knobbed coot (Fulica cristata).