Anas acuta


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Noun1.Anas acuta - long-necked river duck of the Old and New Worlds having elongated central tail feathersAnas acuta - long-necked river duck of the Old and New Worlds having elongated central tail feathers
duck - small wild or domesticated web-footed broad-billed swimming bird usually having a depressed body and short legs
Anas, genus Anas - type genus of the Anatidae: freshwater ducks
References in periodicals archive ?
Both bones are too large for Anas acuta, A clypeata, A Americana, Aythya americana and A.
The species included in the analysis are the following: Anas acuta, Anser albifrons, Anser anser, Anser brachyrhynchus, Anas clypeata, Anas crecca, Anser erythropus, Anser fabalis, Aythya ferina, Aythya fuligula, Aythya marila, Aythya nyroca, Anas penelope, Anas platyrhynchos, Anas querquedula, Anas strepera, Branta bernicla, Bucephala clangula, Branta leucopsis, Branta ruficollis, Cygnus columbianus, Cygnus cygnus, Clangula hyemalis, Cygnus olor, Mergellus albellus, Marmaronetta angustirostris, Melanitta fusca, Mergus merganser, Melanitta nigra, Mergus serrator, Netta rufina, Oxyura leucocephala, Polysticta stelleri, Somateria mollissima, Tadorna ferruginea, Tadorna tadorna.